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Claims with Evidence from Motion
Worksheet
Grade Level
Grade 4
4.13 Claims with Evidence from Motion
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The same ping-pong ball has the same mass in two trials. Trial 1 speed = 3.2 m/s. Trial 2 speed = 4.0 m/s. Which CER best explains which trial has more energy of motion?
A
Claim: Trial 1 has more energy because 3.2 is the first number listed.
B
Claim: Trial 2 has more energy of motion. Evidence: The same ping-pong ball moved faster in Trial 2 (4.0 m/s). Reasoning: For the same object, greater speed means greater kinetic energy.
C
Claim: Both trials have no energy because only living things have energy.
D
Claim: The trials have equal energy because the object is the same, even though the speeds differ.
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