Vocabulary

3. A material that resists the flow of heat or electricity.
5. A material that allows heat or electricity to flow easily.
7. A vertebrate with scaly skin that usually lays eggs on land.
10. A cold-blooded vertebrate that breathes through gills and lives in water.
14. Single-celled organisms that lack a nucleus.
15. A behavior an animal is born with and does not need to learn.
18. An animal that does not have a backbone.
19. A force that pulls magnetic materials across a distance.
22. A large mass of moving ice that reshapes the land.
24. A sudden shaking of the ground caused by movement of the Earth's crust.
25. Tiny reproductive cells used by fungi and some plants like ferns.
28. The study of earthquakes and seismic waves.
29. Multicellular organisms that make their own food through photosynthesis.

1. A complete path through which electric current can flow.
2. A vertebrate with feathers and wings that usually lays eggs.
4. A vertebrate that lives part of its life in water and part on land.
5. A change that results in the formation of a new substance.
6. The dropping or settling of eroded materials in a new location.
8. The movement of weathered rock and soil from one place to another.
9. The process of breaking down rocks into smaller pieces.
11. The jelly-like substance that fills a cell.
12. A landform made of sediment that is deposited where a river meets an ocean.
13. A trait passed from parents to offspring through genes.
16. An animal that has a backbone.
17. A change in size, shape, or state of matter without forming a new substance.
20. A temporary magnet made by passing electric current through a wire.
21. Organisms like mushrooms that absorb nutrients from decaying matter.
23. An instrument used to measure and record details of earthquakes.
26. The control center of a cell containing genetic material.
27. A warm-blooded vertebrate that has hair and produces milk for its young.