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Questions and Answers
Which of the following best defines motion?
Which of the following best defines motion?
- A change in the size of an object over time.
- A change in the position of an object over time. (correct)
- A change in the shape of an object over time.
- A change in the speed of an object over time.
How can you determine if something has moved?
How can you determine if something has moved?
- By observing its size change.
- By observing its color change.
- By using a reference point. (correct)
- By measuring its weight change.
Which of the following can serve as a reference point?
Which of the following can serve as a reference point?
- A person walking.
- A moving car.
- A changing cloud formation.
- A tree. (correct)
Which of the following statements is true about motion?
Which of the following statements is true about motion?
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What is the definition of a force?
What is the definition of a force?
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What is the main cause of all motion?
What is the main cause of all motion?
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