Y10 End of Year Physics Crossword

2. The same in all places.
4. Whether a sound is high or low.
6. The correct word for one battery.
8. Speed in a given direction.
10. The unit for magnetic flux density (also a very fast car).
12. Any energy source that will never run out.
15. Any energy source that will run out.
16. A vector has both ..... and direction.
19. Spread out.
20. A piece of apparatus used to measure the speed of a fast moving object.
23. The time taken for one complete wave.
24. The energy needed to raise the temperature of 1 kg of a substance by 1 degree Celsius.
27. A place where there is no matter at all.
28. The force due to gravity.
30. The space around an object with an electric charge where it can affect other objects.
31. A diagram showing energy transfers. The width of the arrow is proportional to the amount of energy that it represents.
32. The unit of current
33. A component whose resistance decreases as the temperature increases.
35. A wave where the vibrations are parallel to the direction of motion.
38. The change in direction of a wave as it goes from one medium to another.
39. The upward force exerted by a fluid.
41. The transfer of heat energy by a moving fluid (hot air rises).
44. A component that only allows current to flow in one direction through it.
45. The unit of power.

1. A force which opposes (acts against) motion.
3. forces When the forces in opposite directions on an object are the same size. Zero resultant force.
4. An electrical circuit that allows current to take more than one route.
5. The total force acting on an object.
7. A unit for temperature.
9. A resistor whose resistance decreases when light is shone on it.
11. The force that causes an object to follow a circular path. It acts towards the centre of a circle.
13. When an object changes speed
14. The time taken to respond to a stimulus.
17. The number of vibrations per second. Measured in Hertz.
18. The temperature at which all motion stops. -273 degrees Celsius
21. Measured in m/s.
22. An instrument for measuring voltage.
25. A material which stops heat flowing from one object to another.
26. A tiny particle with a negative charge.
29. A push, pull or twist. Measured in Newtons.
34. Measured in kilograms.
36. A line drawn at right angles to the surface of a mirror.
37. The unit of energy.
40. The unit for measuring voltage.
42. The unit of electrical resistance.
43. To give out.