Across
- 4. energy that is in the form of light that can be seen
- 7. energy of moving air, a renewable resource
- 8. energy of moving water, a renewable resource
- 10. a machine that can turn sunlight into electricity
- 13. a material that electrical energy easily travels through
- 16. a dark rock that can be burned and used for energy
- 17. a test used to discover new information about a question
- 22. when energy travels from one place to another
- 23. when energy travels from one place to another
- 24. to create something new, often an object or a way of doing something
Down
- 1. something that is harmful in the environment
- 2. a source of energy that exists in a limitless amount, such as sunlight, wind and moving water
- 3. a machine that can turn the movement of air into electricity
- 5. a type of gas that can be used as a source of energy
- 6. a device that turns heat energy into movement
- 9. a device that stores energy
- 11. energy in the form of heat, such as what usually comes from a fire
- 12. energy from the sun, a renewable resource
- 14. a material that electrical energy does not easily travel through
- 15. a machine that can turn the movement of water into electricity
- 17. the ability to do an action
- 18. a form of energy, such as what usually powers light bulbs
- 19. a person who uses science to come up with solutions to problems
- 20. a path where electricity can flow
- 21. an image that helps you understand the number or amount of something