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Why is energy needed?
What is work?
When is work done?
What are some different forms of energy?
What is kinetic energy?
What is heat energy?
What is light energy?
What is sound energy?
What is electrical energy?
What is potential energy?
What are some examples of potential energy?
What does stored energy do?
What is one form of potential energy?
What is photosynthesis?
What are some different types of potential energy?
What is gravitational potential energy?
What is chemical energy?
What is elastic potential energy?
What is nuclear energy?
What unit is used for measuring energy?
