Across
- 6. A push or pull that makes something move.
- 7. Tightness created when something is pulled.
- 9. A first model used to test ideas.
- 13. When the mousetrap lets go and energy is used.
- 14. Stored energy ready to be used.
- 17. A bar that helps increase force or distance.
- 18. How fast something moves.
- 19. Movement from one place to another.
Down
- 1. How much something can stretch and return to shape.
- 2. Resistance when two surfaces rub together.
- 3. A rod that the wheels spin around.
- 4. Grip that helps wheels move without slipping.
- 5. A spring-loaded device used as the power source for the car.
- 8. Energy of an object when it is moving.
- 9. A simple machine that changes the direction of force.
- 10. Twisting force that makes something turn.
- 11. The ability to do work or cause movement.
- 12. The plan or layout for how something will work.
- 15. Using science and design to solve problems.
- 16. A circular part that allows the car to roll.
