What is kinetic energy?
7th Grade 1st Semester Final Exam

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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Kinetic energy is the energy an object possesses due to its motion. It depends on the mass of the object and its velocity.
2.
FLASHCARD QUESTION
Front
What position does a roller coaster have the most kinetic energy?
Back
Position B, where the coaster is at its lowest point and moving fastest.
3.
FLASHCARD QUESTION
Front
What material is best for reducing force?
Back
Cotton balls are effective at reducing force due to their ability to compress and absorb impact.
4.
FLASHCARD QUESTION
Front
What type of energy transfer occurs during a collision?
Back
Energy transfer occurs during every collision, where kinetic energy is transferred between colliding objects.
5.
FLASHCARD QUESTION
Front
What is a dependent variable?
Back
The dependent variable is the variable that is being measured in an experiment.
6.
FLASHCARD QUESTION
Front
What is an independent variable?
Back
The independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.
7.
FLASHCARD QUESTION
Front
What is a controlled variable?
Back
A controlled variable is a variable that is kept constant throughout an experiment to ensure that the results are valid.
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