Physical Science

3. Energy produced by sound vibrations
5. The amount of matter in an object
6. Two or more substances that are mixed together to form a liquid solution
8. energy produced from the flow of an electric current through a conductor
10. Energy that travels in electromagnetic waves and may travel in space
11. Produced through a process in which heat from the Earth's core is used to make electricity
12. When a temperature change causes a substance to turn from a solid to a liquid
19. Anything that takes up space and has mass
22. Tool that uses a magnetic needle to determine direction
24. the amount of space an object takes up
26. Magnet which has the shape of a rectangular prism
28. Occurs when two opposite poles of two different magnets are turned towards each other
29. Transforming electricity into heat, light, sound, as well as energy in motion
30. The distance traveled in a given amount of time given the direction
31. Forces that are unequal in size and may or may not b opposite in direction
32. Materials which are not good conductors of heat
34. A device that starts and stops the flow of electrons in an electric circuit
35. Separating liquids from solids by causing the liquid to pass through the pores of a filter
37. A form of energy produced by moving electrons
40. Forces equal in size yet, opposite in direction
41. Renewable energy source emitted by the sun
42. The process of changing from a liquid into a gas

1. Energy gained by the physical movement in position of an object
2. The process by which the wind is used to generate mechanical energy used for producing electricity
4. Process for separating coarse particles retained in the sieve while fine particles are sifted through small holes
7. The distance traveled in a given amount of time
9. The production of electricity created from the gravitational force of falling water
13. An electrically-charged object that can attract an uncharged object
14. Using a magnet to separate magnetic and non magnetic materials within a mixture
15. Increase in the rate of speed
16. A physical property of a solid used o describe its surface
17. A pathway through which electrons flow
18. Heat transfer that occurs when there is direct contact between objects
20. A measure of the volume of an irregularly shaped object
21. When a temperature change causes a substance to turn from a liquid to a solid
23. Materials which conduct heat well
25. A negatively charged particle
27. Process used to separate substances within mixtures based on their densities
33. The tendency for particles to settle at the bottom of a fluid
36. Form of energy that is transferred by a difference in temperature
38. occurs when two like poles of two different magnets are turned towards each other
39. The process of changing a gas into a liquid