Across
- 4. The main source of energy is the ______.
- 5. Something that has two or more parts that work together.
- 7. Any sound that continues for a long time and is loud, is called what?
- 8. Coal, oil, and natural gas are examples of this.
- 10. The order in which energy goes from the sun to plants or animals.
- 11. It makes things happen, move or change.
- 13. A lightbulb is an example of what type of energy?
Down
- 1. Substances in food that living things need to live, grow and stay healthy.
- 2. A _______ of energy is something that we get energy from.
- 3. Fire gives us _______ energy.
- 4. The four different forms of energy are light energy, heat energy, movement energy and __________?
- 5. The energy that you get from the food you eat, is called _______ energy.
- 6. Sound created _______ so that you could see the grains of rice move in the laboratory investigation.
- 9. Energy that comes out of a system, is called ______ energy.
- 12. Energy that goes into a system to make it work, is called ______ energy.