Elementary School Science Quiz: Recording Motion Measurements
20 questions · exam conditions
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Recording Motion MeasurementsQuestion 1 of 20

A pendulum swings back and forth, and students count swings each minute for five minutes. They also time each minute in seconds to be exact. They want to see if the number of swings changes over time. How should students record?

Make a table labeled Minute | Time (s) | Swings, and record all five minutes in order.
Make a table but do not label the columns, so readers guess what the numbers mean.
Write "a lot of swings" each minute without counting or using numbers.
Only record minute 1 and minute 5, and skip the middle minutes.
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Elementary School Science Quiz

Elementary School Science Quiz: Recording Motion Measurements

Practice Recording Motion Measurements in Elementary School Science with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Recording Motion Measurements, giving you a quick way to practice the rules, question types, and explanations that matter most for Elementary School Science.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

A pendulum swings back and forth, and students count swings each minute for five minutes. They also time each minute in seconds to be exact. They want to see if the number of swings changes over time. How should students record?

  1. Make a table labeled Minute | Time (s) | Swings, and record all five minutes in order. (correct answer)
  2. Make a table but do not label the columns, so readers guess what the numbers mean.
  3. Write "a lot of swings" each minute without counting or using numbers.
  4. Only record minute 1 and minute 5, and skip the middle minutes.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students count pendulum swings per minute over five minutes while timing in seconds to observe if the rate changes over time. The correct method works because it uses a labeled table with minutes, times in seconds, and swing counts, ensuring organization, units, labels, and completeness for all intervals. Incorrect methods fail by using vague terms, omitting labels, or skipping data, which hides potential patterns. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who forget units or incomplete entries.

Question 2

Students repeat the same push on a toy car six times to check if their results are consistent. They measure distance (cm) and time (s) each trial to compare speeds. How should students record?

  1. Make a table with Trial (1–6), Distance (cm), Time (s), and Speed (cm/s); record every trial in order. (correct answer)
  2. Write down only three of the six trials because that is enough.
  3. Mix centimeters and meters for distance, depending on what the ruler shows.
  4. Write the numbers in a list, but do not label which ones are distance or time.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are repeating a push on a toy car six times to check consistency in distance, time, and speed, so full recording allows for pattern verification across trials. The correct choice, A, works well because it uses an organized table with labeled trials and measurements including speed, includes units like cm and s, and is complete with every trial recorded in order. Distractors like B, C, and D fail because they are incomplete, use inconsistent units, or lack labels and organization, making it difficult to assess consistency or patterns. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.

Question 3

Students test a toy car on flat, slight, and steep ramps and time it traveling 2 m. They do four trials for each ramp and measure time in seconds to compare ramp angles. They want to find patterns. How should students record?

  1. Make a table: Ramp angle | Trial # | Time (s) for 2 m, and record all trials for each ramp. (correct answer)
  2. Write the times on the board with no labels, then erase them after the last trial.
  3. Make a table but leave off the ramp angle column and only record times.
  4. Record only the first trial for each ramp because the rest will be the same.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students time a toy car on ramps of varying angles over four trials each to compare speeds and find patterns related to steepness. The correct method works because it uses a labeled table with ramp angles, trial numbers, and times in seconds for 2 meters, ensuring organization, units, labels, and completeness. Incorrect methods fail by lacking permanence, omitting variables, or recording incomplete data, which prevents pattern analysis. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who skip trials or forget labels.

Question 4

Students roll a marble down a ramp and time how long it takes to reach the bottom. They do five trials and want to find an average time and compare trials as evidence. How should students organize data?

  1. Record some times in seconds and some in minutes, depending on what seems easier.
  2. Make a table of five times but skip Trial 4 if it seems "too slow."
  3. Write the times on scrap paper in any order and circle the fastest one.
  4. Make a table with Trial (1–5) and Time (s); record each time right away using seconds for every trial. (correct answer)
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are timing a marble's roll over five trials to calculate an average and compare consistencies, so organized recording is important for reliable evidence and pattern spotting. The correct choice, A, works well because it uses an organized table with labeled trials and time in seconds, includes units, and ensures completeness by recording all five trials immediately. Distractors like B, C, and D fail because they lack organization, are incomplete by skipping data or using inconsistent units, or omit labels, making it hard to analyze patterns. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.

Question 5

A marble rolls down a ramp, and students time how long it takes to reach the bottom. They do five trials and measure time in seconds to find an average. They want clear evidence to compare trials. How should students record?

  1. Make a table with trial numbers, but leave off (s) so it looks cleaner.
  2. Write the times on scrap paper in random order and try to remember which trial was which.
  3. Make a table labeled Trial # | Time (s); record all five trials in order and include the unit. (correct answer)
  4. Only record the fastest time because that is the most important result.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students time a marble rolling down a ramp over five trials to find an average and compare results, making consistent recording important for accurate evidence. The correct method works because it uses a labeled table with trial numbers and times in seconds, ensuring organization, units, labels, and completeness for all trials. Incorrect methods fail by using random order, omitting units, or recording only partial data, which hinders pattern detection. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who forget units or skip trials.

Question 6

Students test a toy car on flat, slight, and steep ramps, timing how long it takes to travel 2 m2\,m for three trials each. How should students record?

  1. Write a paragraph about which ramp looked fastest, with no numbers.
  2. Make a table: Ramp type | Trial (1–3) | Distance (m) | Time (s) | Speed (m/s). Record all trials using the same units. (correct answer)
  3. Record times but do not write which ramp each time belongs to.
  4. Record only one trial for each ramp because repeats are not needed.
Explanation: This question tests the skill of recording motion measurements consistently to find patterns (3-PS2-2). Good recording helps scientists track data accurately and spot patterns, using OULC: Organized tables, Units on measurements, Labels for columns, and Complete data for all trials. In this ramp comparison investigation, students need to organize multiple variables (ramp type, distance, time) across multiple trials to calculate and compare speeds accurately. Choice B works perfectly because it creates a comprehensive table with all necessary columns labeled, includes units for all measurements (m and s), organizes by ramp type and trial number, and uses consistent units throughout. Choice A fails by using descriptions instead of measurements; Choice C has unlabeled data preventing ramp comparison; Choice D loses reliability by recording only one trial per condition. Teachers should demonstrate complex data tables with multiple variables, emphasize consistent unit use, and watch for students who try to simplify by skipping trials or mixing measurement units.

Question 7

A book slides on smooth, carpet, and rough paper, and students measure how far it slides. They do three trials on each surface and measure distance in cm to compare surfaces. They need clear evidence. How should students record?

  1. Make one long sentence for each trial, mixing numbers and words, without a chart.
  2. Make a table labeled: Surface | Trial # | Distance (cm), and fill in all three trials for each surface. (correct answer)
  3. List distances in a column, but do not label which surface each distance came from.
  4. Make a table but switch between cm and m for different surfaces.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students measure sliding distances of a book on different surfaces over three trials each to compare friction effects and identify patterns. The correct method works because it uses a labeled table with surfaces, trial numbers, and distances in cm, ensuring organization, units, labels, and completeness. Incorrect methods fail by lacking structure, switching units, or omitting labels, which makes data unclear. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who forget consistent units or labels.

Question 8

Students race a toy car and measure both distance and time for four runs. They measure distance in meters and time in seconds to compare speed. They want to use the data as evidence. How should students record?

  1. Make a table but forget to include units for distance and time anywhere.
  2. Write down the car color and which student ran it, instead of distance and time.
  3. Only record the speed and do not write the distance or time measurements.
  4. Make a table labeled: Run # | Distance (m) | Time (s) | Speed (m/s), and record all four runs. (correct answer)
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students measure distance and time for toy car races over four runs to calculate and compare speeds. The correct method works because it uses a labeled table with run numbers, distances in meters, times in seconds, and speeds in m/s, ensuring organization, units, labels, and completeness. Incorrect methods fail by omitting raw data, forgetting units, or recording irrelevant details, which weakens evidence. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who don't label columns or skip measurements.

Question 9

Students drop a ball from 2 m and measure bounce height three times. They record the 1st, 2nd, and 3rd bounce heights in cm to look for a pattern. They also time how long until the 3rd bounce stops in seconds. How should students record?

  1. Make a table labeled: Bounce # | Height (cm) | Total time to 3rd bounce (s), and fill in all three bounces. (correct answer)
  2. Write, "It bounced high, then lower," without any numbers so it is quicker.
  3. Make a table, but only write the tallest bounce and skip the other bounces.
  4. List the heights as 80, 50, 30 with no labels or units so it fits on one line.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students are measuring bounce heights and total time for a ball dropped from 2 meters over three bounces to identify patterns in how the height decreases and the time taken. The correct method works because it uses a labeled table with bounce numbers, heights in cm, and time in seconds, ensuring organization, units, labels, and completeness for all bounces. Incorrect methods fail by lacking numbers, skipping data, or omitting labels and units, which makes it hard to spot patterns. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice comparing good and poor recordings, and watch for those who forget units or skip entries.

Question 10

Students roll a ball down a short ramp and measure how far it goes each time. They do four trials and measure distance in cm and time in seconds to compare runs. They need organized data to spot patterns. How should students record?

  1. Make a table with headers: Trial # | Distance (cm) | Time (s), and record all four trials in order. (correct answer)
  2. Record distance for trials 1 and 2, but do not record time for any trials.
  3. Write the numbers 120, 3, 110, 4 on one line with no labels, so it is faster.
  4. Wait until the end, then guess the distances and times from memory.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students measure distance and time for a ball rolling down a ramp over four trials to compare runs and spot patterns. The correct method works because it uses a labeled table with trial numbers, distances in cm, and times in seconds, ensuring organization, units, labels, and completeness. Incorrect methods fail by being incomplete, lacking labels, or relying on memory, which disrupts pattern identification. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who forget to record all variables or units.

Question 11

Students push a toy car with gentle, medium, and strong pushes and measure distance. They do four trials for each push and measure in cm to compare forces. They want to see patterns across pushes. How should students record?

  1. Write the distances as "short, medium, long" and do not measure in cm.
  2. Record only one gentle push, one medium push, and one strong push to save time.
  3. Make a table: Push type | Trial # | Distance (cm); record every trial for gentle, medium, and strong pushes. (correct answer)
  4. Make a table of distances, but do not write which push was used for each distance.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students measure distances for toy car pushes of different strengths over multiple trials to compare forces and spot patterns. The correct method works because it uses a labeled table with push types, trial numbers, and distances in cm, ensuring organization, units, labels, and completeness for all data. Incorrect methods fail by using vague descriptions, omitting labels, or recording incomplete trials, which obscures patterns. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who don't label variables or skip entries.

Question 12

Students repeat the same push on a toy car six times and measure distance each time. They measure in cm to check if their results are consistent. They want clear evidence across all trials. How should students record?

  1. Record the distances in a neat table: Trial # | Distance (cm), and fill in all six trials. (correct answer)
  2. Measure in cm sometimes and inches other times to get more kinds of data.
  3. Only write down the last two trials because they are freshest in your mind.
  4. Write the numbers wherever they fit on the page, without trial numbers or order.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students measure distances for repeated identical pushes on a toy car over six trials to check consistency in results. The correct method works because it uses a labeled table with trial numbers and distances in cm, ensuring organization, units, labels, and completeness for all trials. Incorrect methods fail by mixing units, recording partially, or lacking order, which makes consistency hard to verify. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who skip trials or forget units.

Question 13

Students drop a ball from three different heights: 50 cm, 100 cm, and 150 cm. They measure the first bounce height in cm for each drop and do three trials per height. They want evidence to compare heights. How should students record?

  1. Make a table but label the columns "Thing 1" and "Thing 2" without saying what they mean.
  2. Only record one trial for 150 cm and skip the other heights.
  3. Make a table: Drop height (cm) | Trial # | 1st bounce height (cm), and record all three trials for each height. (correct answer)
  4. Record the drop heights in cm, but record bounce heights in meters to show variety.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear, reliable data for analysis and includes key elements like being Organized, using Units, having Labels, and being Complete, often remembered as the OULC acronym. In this investigation, students measure bounce heights from different drop heights over multiple trials to compare how initial height affects bounce and gather evidence. The correct method works because it uses a labeled table with drop heights in cm, trial numbers, and bounce heights in cm, ensuring organization, units, labels, and completeness for all data. Incorrect methods fail by using vague labels, inconsistent units, or incomplete trials, which makes comparison difficult. To teach this, introduce the OULC acronym and model creating a data table before starting the experiment. Additionally, have students practice analyzing good versus poor recordings, and watch for those who skip trials or don't label properly.

Question 14

Students slide the same book on three surfaces: smooth table, carpet, and sandpaper. They measure distance (cm) and time (s) for four trials on each surface to compare which surface slows it most. How should students record?

  1. Make one list of distances only, and do not write which surface each distance came from.
  2. Write "smooth went far" and "carpet was slow" without any numbers.
  3. Make a neat table but leave off units for distance and time. (correct answer)
  4. Make a table with Surface, Trial (1–4), Distance (cm), Time (s), and Speed (cm/s); record all trials for each surface.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are comparing book sliding on different surfaces with multiple trials, measuring distance and time to determine which slows it most, so detailed recording helps reveal patterns across surfaces. The correct choice, C, works well because it uses an organized table with labels for surfaces, trials, and measurements including speed, incorporates units like cm and s, and is complete with all trials recorded. Distractors like A, B, and D fail because they lack labels, organization, units, or completeness, such as missing surface associations or numerical data, which obscures patterns. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.

Question 15

Students push a toy car with gentle, medium, and strong pushes. For each push, they do three trials and measure distance (cm) and time (s) to compare speed. They want clear evidence to compare pushes. How should students record?

  1. Make a table labeled Push Type, Trial, Distance (cm), Time (s), Speed (cm/s); record all nine trials in order. (correct answer)
  2. Write only the farthest distance the car went and ignore the other trials.
  3. Record the measurements later from memory after cleanup time.
  4. Make a chart of numbers but do not label which numbers are time or distance.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are varying push strengths on a toy car with multiple trials to compare speeds, making consistent recording essential for evidence-based comparisons and pattern detection. The correct choice, A, works well because it uses an organized table with labels for push types, trials, and measurements including speed, includes units like cm and s, and is complete with all nine trials in order. Distractors like B, C, and D fail because they are incomplete, lack labels or organization, or rely on memory, which can lead to inaccurate pattern analysis. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.

Question 16

Students drop a ball from 2 m and measure each bounce height (cm) for three bounces. They do this four times to look for a pattern in how the height changes. They also time (seconds) how long the ball keeps bouncing each trial. How should students record?

  1. Write heights like "high, medium, low" and talk about it later.
  2. Make a table labeled Trial, Bounce 1 Height (cm), Bounce 2 Height (cm), Bounce 3 Height (cm), Total Time (s); fill in all four trials in order. (correct answer)
  3. Make a table but only write the biggest bounce height for each trial.
  4. List numbers for bounces, but do not write what the numbers mean or any units.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are measuring multiple bounce heights and total time over four trials to observe patterns in how bounce heights decrease, making consistent recording crucial for accurate comparison and pattern identification. The correct choice, B, works well because it uses an organized table with clear labels for trials and measurements, includes units like cm and s, and ensures completeness by filling in all four trials in order. Distractors like A, C, and D fail because they are incomplete, lack organization, omit units or labels, or only record partial data, which hinders pattern finding. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.

Question 17

Students drop a ball from 2 m and measure bounce heights for Bounce 1, Bounce 2, and Bounce 3. They do three trials and want evidence to compare trials and see a pattern. Which is best way to record measurements?

  1. Write bounce heights in random order around the page with arrows. (correct answer)
  2. Make a table with Trial (1–3) and Height (cm) for Bounce 1, Bounce 2, Bounce 3; fill in all heights for each trial.
  3. Record only Bounce 1 heights because the other bounces are smaller.
  4. Make a table of heights but do not write cm anywhere.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are measuring multiple bounce heights over three trials to compare and identify patterns in bounce reduction, requiring detailed recording for evidence. The correct choice, A, works well because it uses an organized table with labeled trials and bounce heights, includes units like cm, and is complete with all heights for each trial. Distractors like B, C, and D fail because they omit units, lack organization, or are incomplete by recording only partial data, which obscures patterns across bounces and trials. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.

Question 18

Students count how many times a pendulum swings each minute for five minutes to see changes over time. How should students record?

  1. Make a table: Minute (1–5) | Number of swings. Record each minute's count in order. (correct answer)
  2. Write the counts on the page with no minute numbers or order.
  3. Make a table but label the columns "A" and "B" only.
  4. Count for five minutes, but record only the first minute's swings.
Explanation: This question tests the skill of recording motion measurements consistently to find patterns (3-PS2-2). Good recording helps scientists track data accurately and spot patterns, using OULC: Organized tables, Units on measurements, Labels for columns, and Complete data for all trials. In this pendulum investigation, students track swing counts over time to observe if the pattern changes, requiring clear time-based organization. Choice A works best because it creates an organized table with minute numbers in order, clearly labels what each column represents (minute and number of swings), and records each minute's count systematically. Choice B fails because unordered data prevents seeing time-based patterns; Choice C uses meaningless labels that don't explain the data; Choice D loses most of the data needed to see changes over time. Teachers should model time-series data collection, practice using clear descriptive labels, and watch for students who record data out of sequence or use vague column headers.

Question 19

Students drop a ball from 2 m2\,m and measure the 1st, 2nd, 3rd, and 4th bounce heights to find a pattern. How should students record?

  1. Make a chart: Bounce number (1–4) | Height (cm). Label the columns and record all four heights. (correct answer)
  2. Write the heights in random order on the page with no bounce numbers.
  3. Make a table with "1, 2, 3, 4" but do not say what the numbers mean.
  4. Record only bounce 1 and bounce 4 because that is enough.
Explanation: This question tests the skill of recording motion measurements consistently to find patterns (3-PS2-2). Good recording helps scientists track data accurately and spot patterns, using OULC: Organized tables, Units on measurements, Labels for columns, and Complete data for all trials. In this ball drop investigation, students need to track how bounce height changes with each successive bounce to identify the pattern. Choice A works perfectly because it creates an organized chart with clear labels (bounce number and height), includes units (cm), and records all four bounce heights in order. Choice B fails because random ordering prevents pattern recognition; Choice C has unlabeled numbers that could mean anything; Choice D skips important middle data points needed to see the full pattern. Teachers should emphasize creating tables before collecting data, practice the OULC checklist, and watch for students who try to skip measurements or forget to label what their numbers represent.

Question 20

Students slide a book on carpet four times and measure distance (cm) and time (s). They want to use the data to find speed and compare each trial. What should students include when recording?

  1. Only the distance numbers, because time does not matter for motion.
  2. A labeled table with Trial (1–4), Distance (cm), Time (s), and Speed (cm/s), with all trials filled in. (correct answer)
  3. A drawing of the book sliding, with no measurements written.
  4. A list of times, but skip units and do not say which trial each time is from.
Explanation: The skill being assessed is 3-PS2-2, which involves recording measurements consistently to find patterns in motion. Good recording serves the purpose of providing clear evidence for analysis and includes being Organized, with Units, Labels, and Complete data, often remembered as OULC. In this investigation, students are sliding a book four times to measure distance and time for speed calculations and trial comparisons, so comprehensive recording ensures usable data for patterns. The correct choice, B, works well because it uses a labeled table with trials, measurements including speed, units like cm and s, and is complete with all trials filled in. Distractors like A, C, and D fail because they lack completeness, labels, units, or numerical data, such as using drawings or partial lists, preventing accurate speed analysis or pattern finding. To teach this, introduce the OULC acronym and model creating a data table before starting investigations. Additionally, have students practice analyzing examples of good versus poor recordings and watch for common errors like forgetting units, skipping trials, or not labeling columns.