physics

2. Sound transfers energy from a?
4. When the judge used to use a stopwatch there was a short delay between hearing the gun and starting the stopwatch. This delay is called the?
9. This disturbance, or vibration, is what we call a?
10. is a way of transferring energy.
11. distance in kilometres, astronomers use the distance that it takes light to travel in one year. This is called a?
13. The vibrating loudspeaker cone makes the air molecules next to it move backwards and forwards. This disturbance, or vibration, is what we call a?
14. The light enters your eye through the?
15. Objects that don’t give out light are?
17. A space that is completely empty of everything, including air, is a
18. The rods and cones convert the light into a signal that is sent to the brain along the?

1. The image of the tree is formed at the back of your eye on the?
2. Your vocal cords, a drumskin, and a loudspeaker cone are all examples of things that vibrate to produce?
3. It is focused onto the back of your eye by the?
5. There is a resistance to motion changing – this is what Galileo had called?
6. give out light
7. You can make two types of ……… using a Slinky
8. …are dark areas where something blocks out light
9. Bicycles, cars, and airplanes all travel at different?
12. tells you how correct a measurement is. A measurement can be very precise
16. Where the air molecules are close together it is called a?