Unit 2 Vocab

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