Predicting Future Motion - 3rd Grade Science
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What does direction tell you when describing motion?
What does direction tell you when describing motion?
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The way an object moves, such as left, right, up, or down. Direction shows which way motion occurs.
The way an object moves, such as left, right, up, or down. Direction shows which way motion occurs.
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Which graph best shows constant speed: a straight line on a position–time graph or a curved line?
Which graph best shows constant speed: a straight line on a position–time graph or a curved line?
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A straight line on a position–time graph. Straight lines show uniform motion.
A straight line on a position–time graph. Straight lines show uniform motion.
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What is a motion pattern in science?
What is a motion pattern in science?
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A repeated way an object moves that can be used to predict later motion. Patterns help scientists know what will happen next.
A repeated way an object moves that can be used to predict later motion. Patterns help scientists know what will happen next.
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What does it mean to predict an object’s future motion?
What does it mean to predict an object’s future motion?
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To state where it will be or how it will move based on a pattern. Uses observed patterns to forecast future behavior.
To state where it will be or how it will move based on a pattern. Uses observed patterns to forecast future behavior.
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Which tool is best for recording an object’s position at equal time intervals?
Which tool is best for recording an object’s position at equal time intervals?
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A data table of position and time. Tables organize measurements systematically over time.
A data table of position and time. Tables organize measurements systematically over time.
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Identify the pattern type: an object moves the same distance every second.
Identify the pattern type: an object moves the same distance every second.
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Constant speed (equal distances in equal times). Speed stays the same when distance per time is constant.
Constant speed (equal distances in equal times). Speed stays the same when distance per time is constant.
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Which graph best shows speeding up on a position–time graph: line gets steeper or line gets flatter?
Which graph best shows speeding up on a position–time graph: line gets steeper or line gets flatter?
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Line gets steeper over time. Steeper slope means faster motion.
Line gets steeper over time. Steeper slope means faster motion.
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Which graph best shows slowing down on a position–time graph: line gets steeper or line gets flatter?
Which graph best shows slowing down on a position–time graph: line gets steeper or line gets flatter?
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Line gets flatter over time. Flatter slope means slower motion.
Line gets flatter over time. Flatter slope means slower motion.
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What is the correct conclusion if an object’s position does not change over time?
What is the correct conclusion if an object’s position does not change over time?
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The object is not moving (it is at rest). No position change means zero velocity.
The object is not moving (it is at rest). No position change means zero velocity.
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Identify the pattern type: an object travels less distance each second than the second before.
Identify the pattern type: an object travels less distance each second than the second before.
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Slowing down (decreasing speed). Deceleration means covering less ground each interval.
Slowing down (decreasing speed). Deceleration means covering less ground each interval.
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Identify the pattern type: an object travels farther each second than the second before.
Identify the pattern type: an object travels farther each second than the second before.
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Speeding up (increasing speed). Acceleration means covering more ground each interval.
Speeding up (increasing speed). Acceleration means covering more ground each interval.
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What is a repeating back-and-forth motion pattern called?
What is a repeating back-and-forth motion pattern called?
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Oscillation (back-and-forth motion). Like a pendulum swinging repeatedly.
Oscillation (back-and-forth motion). Like a pendulum swinging repeatedly.
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Identify the next distance moved each second: $5$ m, $4$ m, $3$ m, $2$ m, ___ m.
Identify the next distance moved each second: $5$ m, $4$ m, $3$ m, $2$ m, ___ m.
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$1$ m. Distance decreases by $1$ m each second.
$1$ m. Distance decreases by $1$ m each second.
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Identify the motion: an object’s position goes $0$ m, $2$ m, $4$ m, $6$ m at equal times; speed is ___?
Identify the motion: an object’s position goes $0$ m, $2$ m, $4$ m, $6$ m at equal times; speed is ___?
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Constant speed. Equal distances per time interval means unchanging speed.
Constant speed. Equal distances per time interval means unchanging speed.
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Identify the next distance moved each second: $1$ m, $2$ m, $3$ m, $4$ m, ___ m.
Identify the next distance moved each second: $1$ m, $2$ m, $3$ m, $4$ m, ___ m.
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$5$ m. Distance increases by $1$ m each second.
$5$ m. Distance increases by $1$ m each second.
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