Podcast
Questions and Answers
Which of the following best describes energy?
Which of the following best describes energy?
- The movement of matter
- The temperature of an object
- The color of light
- The ability to do work (correct)
What is the difference between a rock falling off a cliff and the same rock lying on the ground below?
What is the difference between a rock falling off a cliff and the same rock lying on the ground below?
- The rock does not have energy
- The rock has more energy when it falls off the cliff (correct)
- The rock has the same amount of energy in both situations
- The rock has less energy when it falls off the cliff
How is a rubber band pulled taut different from the same rubber band left slack?
How is a rubber band pulled taut different from the same rubber band left slack?
- Rubber bands do not have energy
- The slack rubber band has more energy
- Both rubber bands have the same amount of energy
- The taut rubber band has more energy (correct)
What is energy?
What is energy?
How can all activity in the universe be explained?
How can all activity in the universe be explained?
Flashcards
Energy
Energy
The ability to do work. It's what makes things move, change, or happen.
Energy and Work
Energy and Work
Energy is the capacity to do work. Work is done when a force moves an object over a distance.
Energy and Motion
Energy and Motion
Moving objects have kinetic energy. The faster an object moves, the more kinetic energy it has.
Potential Energy
Potential Energy
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Energy Conservation
Energy Conservation
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