Podcast
Questions and Answers
What is energy?
What is energy?
Which form of energy is transferred from the sun to Earth?
Which form of energy is transferred from the sun to Earth?
What enables a racehorse to run around a track?
What enables a racehorse to run around a track?
What is necessary for an object to be in motion?
What is necessary for an object to be in motion?
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Study Notes
What is Energy?
- Energy is the ability to do work, which is often understood as the ability to cause a change in the motion of an object.
Energy Transfer
- Energy is transferred from the sun to Earth in the form of radiant energy, which is a type of electromagnetic energy.
Motion and Energy
- A racehorse is able to run around a track because of the kinetic energy stored in its muscles, which is converted from the chemical energy obtained from the food it eats.
- An object must have kinetic energy to be in motion, which is the energy of motion.
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Description
This quiz covers the different forms of energy such as light, sound, electricity, and chemical energy. It also includes the concept of energy transfer from one place to another, like the transfer of solar energy to Earth.
