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Questions and Answers
What happens to the potential energy of a falling plate when it hits the ground?
What happens to the potential energy of a falling plate when it hits the ground?
- It is mostly converted to electrical energy
- It is mostly converted to light energy
- It is mostly converted to heat energy
- It is mostly converted to sound energy (correct)
What type of energy is produced when a candle is lit?
What type of energy is produced when a candle is lit?
- Mechanical and nuclear energy
- Kinetic and potential energy
- Chemical and electrical energy
- Heat and light energy (correct)
What happens to the temperature of water left in a room with lower temperature than the water?
What happens to the temperature of water left in a room with lower temperature than the water?
- The water's temperature increases
- The water's temperature decreases (correct)
- The water evaporates
- The water's temperature remains constant
What do we learn about the total energy during a physical or chemical process?
What do we learn about the total energy during a physical or chemical process?
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What can be inferred about the conservation of energy?
What can be inferred about the conservation of energy?
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