Across
- 4. energy – energy related to the temperature of an object or a substance
- 5. Likes to chase mice
- 6. – a closed conducting circle or loop through which current can flow
- 8. (incomplete or broken) circuit – the path through which an electric current cannot flow
- 9. Goldberg - A Rube Goldberg machine is a complex contraption designed to complete a simple task. The machine uses a set of tasks that work in succession and trigger one event after another until the final event.
- 10. lens - lens that is thicker at the edges and thinner at the center. They spread light waves apart from the focal point.
- 13. Man's best friend
- 14. energy – energy of motion
- 16. – the bouncing back of light rays from a surface
- 19. - permitting the passage of light
- 21. Circuit - comprises a path along which the whole current flows through each component
- 23. energy – energy that is absorbed or delivered by an electric circuit
- 24. energy – energy produced by vibrations
Down
- 1. Flying mammal
- 2. – matter that light travels through
- 3. Large marsupial
- 5. (complete or working) circuit – the path through which an electric current can flow
- 6. lens - a lens that is thicker at the center and thinner at the edges
- 7. - a substance or object that does not allow energy to flow through it easily
- 11. Has a trunk
- 12. current – the flow of electricity through a conductor
- 15. Circuit - comprises branches so that the current divides and only part of it flows through any branch.
- 17. energy – a form of energy which our eyes can detect
- 18. - a substance or object that allows energy to flow through it easily
- 20. – the bending of light as it moves through one medium into another
- 22. – the ability to do work