Science Crossword

1. How to find the elements of a good graph
5. Covers 3/4 of the earth's surface
7. A visual display of information or data
10. Break down organic matter
12. The process of gradual, natural change species replacement that takes place in the communities of an ecosystem over time
13. A feeding step in a food chain
14. Large group of ecosystems that shares the same type of climax community
18. Make their own food
19. Factor that doesn't vary in an experiment
20. Organisms that use sunlight or energy stored in a chemical compound to make food

2. The ability of living things to survive the changes in their environment
3. The amount of space occupied by an object
4. The last step of the Scientific Method
6. Amount of matter in an object
8. All strategies and adaptation a species uses in its environment
9. The study of life; also known as Life Science
11. Process that uses observation and investigation to gain knowledge about events in nature
15. An educated guess
16. Rule of nature that sums up related observations to describe a pattern in nature
17. Mass per unit volume of a material