Testing Plants Need Sunlight - 2nd Grade Science
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What is one correct way to record results during a sunlight-and-growth investigation?
What is one correct way to record results during a sunlight-and-growth investigation?
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Write measurements in a data table each day. Tables organize data for easy comparison.
Write measurements in a data table each day. Tables organize data for easy comparison.
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Identify one correct way to measure plant growth in this investigation.
Identify one correct way to measure plant growth in this investigation.
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Measure height with a ruler in centimeters. Rulers give precise, numerical measurements.
Measure height with a ruler in centimeters. Rulers give precise, numerical measurements.
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Which factor should be kept the same for all plants: water, soil, or sunlight?
Which factor should be kept the same for all plants: water, soil, or sunlight?
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Water and soil should be the same; sunlight is changed. Constants stay the same; only sunlight varies.
Water and soil should be the same; sunlight is changed. Constants stay the same; only sunlight varies.
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Which option is the best way to make the investigation more reliable: use $1$ plant or many plants?
Which option is the best way to make the investigation more reliable: use $1$ plant or many plants?
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Use many plants in each group. Multiple samples reduce random errors.
Use many plants in each group. Multiple samples reduce random errors.
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Which conclusion is supported if sunlight plants grow taller than no-sunlight plants?
Which conclusion is supported if sunlight plants grow taller than no-sunlight plants?
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Sunlight helps plants grow. Taller growth shows sunlight's positive effect.
Sunlight helps plants grow. Taller growth shows sunlight's positive effect.
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Identify the best location for the no-sunlight group in this investigation.
Identify the best location for the no-sunlight group in this investigation.
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A dark place with no light exposure. Blocks all light to test its absence.
A dark place with no light exposure. Blocks all light to test its absence.
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What is one safety rule to follow when setting up and checking plants in this investigation?
What is one safety rule to follow when setting up and checking plants in this investigation?
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Wash hands after handling soil and plants. Prevents germs from soil and plant materials.
Wash hands after handling soil and plants. Prevents germs from soil and plant materials.
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Which conclusion is supported if both groups grow the same amount under the same water and soil?
Which conclusion is supported if both groups grow the same amount under the same water and soil?
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Sunlight did not change growth in this test. Equal growth means sunlight had no effect.
Sunlight did not change growth in this test. Equal growth means sunlight had no effect.
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What should you do if one plant receives more water than the others during the test?
What should you do if one plant receives more water than the others during the test?
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Fix the procedure so all plants get the same water. Unequal water ruins the fair test.
Fix the procedure so all plants get the same water. Unequal water ruins the fair test.
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What is a fair test in an investigation about sunlight and plant growth?
What is a fair test in an investigation about sunlight and plant growth?
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Only sunlight changes; all other conditions stay the same. Controls ensure differences are due to sunlight alone.
Only sunlight changes; all other conditions stay the same. Controls ensure differences are due to sunlight alone.
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Which tool is most appropriate to measure plant height in a 2nd grade investigation?
Which tool is most appropriate to measure plant height in a 2nd grade investigation?
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A ruler. Simple tool appropriate for measuring plant height.
A ruler. Simple tool appropriate for measuring plant height.
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What is one clear, measurable way to record plant growth in this investigation?
What is one clear, measurable way to record plant growth in this investigation?
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Measure plant height at the same time each day. Consistent timing ensures accurate comparisons.
Measure plant height at the same time each day. Consistent timing ensures accurate comparisons.
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Identify the best way to keep the test fair when comparing plants with and without sunlight.
Identify the best way to keep the test fair when comparing plants with and without sunlight.
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Use the same plant type, soil, pot size, water, and temperature. Matching conditions isolate sunlight as the only difference.
Use the same plant type, soil, pot size, water, and temperature. Matching conditions isolate sunlight as the only difference.
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Which option best describes how to record data so the groups can be compared fairly?
Which option best describes how to record data so the groups can be compared fairly?
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Record measurements on the same schedule for both groups. Consistent timing prevents measurement bias.
Record measurements on the same schedule for both groups. Consistent timing prevents measurement bias.
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Which option best describes how many plants to use to make results more reliable?
Which option best describes how many plants to use to make results more reliable?
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Use several plants in each group. Multiple plants reduce errors from individual differences.
Use several plants in each group. Multiple plants reduce errors from individual differences.
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