Light and Electricity Review

Edit Answers
1234567891011121314151617181920212223242526
Across
  1. 5. ________ energy is electrical energy transformed into when you use a radio.
  2. 6. _________ light is made up of most colors.
  3. 8. The two _____ of light are color and brightness.
  4. 12. _________ material scatters or absorbs some of the light that strikes it and allows some of the light to pass through it.
  5. 14. A ______ of a series circuit is that if one bulb burns out, then none of the others will light up.
  6. 16. The four components of a ________ circuit include: a wire, switch, battery, and light bulb.
  7. 18. In a _______ circuit, electric current goes through each device in the circuit in one sequential, complete path from the source of the current.
  8. 19. In a _______ circuit, the current branches into several loops and has more than one path through which the electric current flows.
  9. 20. _________ are areas on ends or tops and bottoms of magnets and electromagnets.
  10. 21. ______ poles repel each other.
  11. 22. The _________ of an electromagnet can be increased by: increasing the number of coils of wire, increasing the thickness of the wire, and increasing the number of batteries used.
  12. 24. Light travels in a _______ line away from the light source.
  13. 26. The _______ completes the circuit and allows current to flow if closed and stops the current is open
Down
  1. 1. An example of _____ is viewing a pencil in the water that appears bent or broken because light passing from water to the air causes the path of light to bend.
  2. 2. Aluminum, silver, and gold are examples of ______.
  3. 3. In order for an object to be _________, it must give off its own light and must reflect light.
  4. 4. A mirror is an example of ______ material.
  5. 7. A window is an example of _______ material.
  6. 9. _______ allows objects to be seen that do not produce their own light.
  7. 10. The _______ pushes the electric current around the circuit
  8. 11. ________poles attract each other.
  9. 13. The ____ in the visible spectrum (in order): red, orange, yellow, green, blue, indigo, and violet.
  10. 15. Glass, rubber, and plastic are examples of _______.
  11. 17. The ________ conducts the electric current (the flow of electricity)
  12. 23. _______ energy is electrical energy transformed into when you use a stove.
  13. 25. The ______ bulb is the object in the circuit that changes electrical energy to light energy