Across
- 1. The factors in an environment that are non living
- 2. Another name for any type of microscopic organism
- 5. The collection of all the water on Earth
- 7. Ecological relationship where one organism benefits and the other is harmed
- 10. Find out this age by comparing two objects
- 14. The name for the rows of the Periodic Table
- 16. These tiny organisms are used to determine the health of the water
- 17. _______ Respiration; process animals use to convert oxygen into carbon dioxide
- 18. The subatomic particle that has a neutral charge
- 19. The anatomical structures that are similar, but differ in function
Down
- 1. An underground holding tank for water (caution as they are running dry)
- 3. An example of this is a mosquito, since it can carry disease
- 4. The type of change represented by changing the state of matter
- 6. The state of matter where atoms have the most energy
- 7. The molecule used to build muscle
- 8. The solid material that forms during a chemical change between two liquids
- 9. Where cold, nutrient-rich water moves up from the ocean floor
- 11. On the Periodic Table, this determines how many protons and electrons are in the element
- 12. The change of a population over time
- 13. Solar, Wind, and Hydroelectric are examples of this energy
- 15. A pride of Lions