SCIENCE 4TH

4. Opening in the earth's crust through which lava, volcanic ash, and gases escape
5. A change in size, shape, or state of matter
8. Earth completes one in 24hrs
9. A weight to be moved in a simple machine
11. Instrument that measures air pressure
12. The process of wearing or being worn by long exposure to the atmosphere
13. A rapidly spinning column of air that comes out of a thunderstorm and touches the ground
15. Pushing or pulling force that a magnetic material creates
16. A push that makes a lever move
18. Earth orbits the Sun in 365 days
19. Plants make their own food during a process called
22. The shaking of the Earth's surface resulting from a sudden release of energy
25. When a light wave changes speed and direction as it moves from one medium to another
26. Many millions of stars held together by gravity
27. When a wave is taken in by an object

1. Lumps of minerals
2. All of space and everything in it
3. The basic unit of a living organism that can perform all life process
6. Muscles that you are not able to control
7. A species that is at risk of dying out
10. Are consumers that get food energy from plants and another animals.
14. When a wave bounces back of a surface
17. Material that allows heat to pass through
19. Any liquid or frozen water that forms in the atmosphere and falls back to the earth
20. 6th planet in the solar system
21. New substances with different properties are formed
23. What makes Earth unique
24. Material that limits the amount of heat that passes through