Across
- 1. Flat wooden sticks often used for building
- 4. A test to see how fast something moves
- 7. A spinning part inside a motor
- 8. A device that converts electrical energy into motion
- 11. The force that slows moving objects
- 13. Energy stored in batteries
- 15. Energy of moving objects
- 17. A device used to turn power on and off
- 19. Long rods that wheels spin on
- 20. The process of making and testing ideas
Down
- 2. The direction electricity flows
- 3. A material that does NOT allow electricity to flow
- 5. A small metal or wooden rod used for building structures
- 6. A material that lets electricity flow easily
- 9. A break in a circuit that stops electricity
- 10. A path that electricity flows through
- 12. A connection point in a circuit
- 14. The outer shell or body of the car
- 16. Round parts that allow the car to roll
- 18. The power source made of AA cells