Across
- 1. Concentration of a substance that harms people or the environment
- 5. The amount of matter in a substance (hint: synonymous with weight)
- 7. Displaying an observation using numbers. Comparison to a known standard.
- 12. A group of similar information
- 13. A point where two regions that have different properties meet and interact. Energy is exchanged
Down
- 1. Things that pollute the environment
- 2. The amount of space an object takes up
- 3. What you perceive with your five senses
- 4. Interpretation of the observation you have perceived
- 6. Aspect of the environment that can be measured
- 8. Highest density
- 9. Lowest density
- 10. One of the ways we can prevent pollution
- 11. How compact a substance is. How concentrated something is.