6th Grade Science Vocabulary Final

3. The movement of heat through liquids and gases.
5. cycle The process through which rocks change from one type to another over time.
9. The transfer of heat through a material.
10. The breaking down of rocks and soil by wind, water, or plants.
14. The basic unit of life.
16. A group of similar organisms that can mate and produce offspring.
17. The process of sorting things into groups based on their characteristics.
18. The energy of an object because of its motion.
20. The transfer of heat through space, like sunlight.
22. A large group of organisms, such as animals or plants.
23. How much matter is packed into a certain space.

1. The movement of rocks or soil from one place to another by wind or water.
2. The part of the cell that turns food into energy.
4. A pure substance made of only one type of atom.
6. The jelly-like substance inside a cell where chemical reactions occur.
7. The energy that makes things warmer.
8. The part of a cell that contains DNA and controls the cell's activities.
11. The process of dropping off particles, such as in a river.
12. The stored energy of an object because of its position.
13. How hot or cold something is.
15. tectonics The theory that Earth's surface is made of large, moving plates.
19. A substance made of two or more elements that are chemically combined.
21. The basic unit of matter.