1. Objects that are falling have a constant acceleration called acceleration due to___________.
2. The kick-back that you feel when firing a gun can be explained by Newton's__________Law of Motion.
3. Human beings cannot hear waves at__________frequencies b/c they are above the range of human hearing.
4. The greater the__________of a wave,the louder the sound.
5. The uint describing the frequency of a wave is the_____________.
6. The intensity of sound is rated in a unit called a(n)________.
7. The distance between two consecutive waves is calle the___________.
8. Sound waves are created dy particles moving back & forth or____________.
9. a device used to permanently measure light and color is called a(n)__________.
10. The sequenece of color produced dy visidle light is called the____________.
11. Red, green,& blue are_________colors.
12. Whae two light waves arrive at the same place at the same time they create a(n)___________of light.
13. The spreading of light waves into a spectrum results from________of light.
14. When all wavelenghts of light are present and ther are no gaps from extreme red to extreme violet, this is called______.
15. White light consists of ____________.
16. The force of attraction between magnetic poles is_________proportional to the strengths of the poles and___________proportional to the square of the distance between them.
17. A magnet picks up several nails which from what appears to be a chain. This is an example of_________.
18. _______________law states that induced currents always produce an electric field in the direction opposite the magnetic field that induced the current.
19. A device that converts electrical energy into mechanicl energy is called a(n)_________.
20. Many electrical devices will transfrom one type of energy into another. Two examples of this are _________ & ______________.
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