Across
- 4. the planets located farther from the Sun and do NOT have a solid surface
- 5. when two or more populations use the same resource; such as food or space
- 6. the type of rock that forms when heat and pressure deep underground changes existing rock
- 7. the planets located close to the Sun and have a hard/solid surface
- 10. the process of rock breaking down into smaller pieces due to wind or moving water
- 11. the part of a plant cell where photosynthesis occurs
- 12. the sudden shaking of Earth's surface
- 14. a scientific tool used to measure temperature
- 15. a cylindrical glass container for use in a science room or laboratory
- 16. all of the living and nonliving things that interact in an area
- 19. the motion of two tectonic plates as they move toward one another
- 20. an organism that is able to use the Sun's energy to create its own food
- 22. an organism that must eat another living thing in order to get energy
- 23. the temperature at which a liquid becomes a gas
- 25. an instrument used for weighing objects
- 27. the type of rock that forms when sediment is pressed together
Down
- 1. hot liquid rock found below the Earth's surface
- 2. the temperature at which a solid becomes a liquid
- 3. the motion of two tectonic plates as they move away from one another
- 6. the 4th planet from the Sun
- 8. the type of energy an object has when it is in motion
- 9. a group of atoms joined together in a particular way
- 13. an organism that uses dead matter in order to get energy
- 16. the ability to make things move or change
- 17. evidence of life from the past, such as bones or footprints left behind
- 18. the substance that is created through a chemical reaction
- 21. the substances needed to create a chemical reaction
- 24. the type of rock that forms when magma cools and hardens
- 26. living things such as plants, animals and bacteria