Across
- 5. the layer of the atmosphere that collects the harmful radiation and chemicals
- 6. Measurement that reflects the amount of matter
- 7. polyatomic ion composed of an element
- 8. Something man made and doesn't always occur in nature
- 10. numerical information
- 11. The study of matter and the changes it undergoes
- 13. known as a chemical matter that has a definite and uniform composition. Any element or compound
- 14. To gain knowledge for the sake of knowledge itself
- 15. a variable whos variation doesn't depend on anything
Down
- 1. The chemical formula for iconic unit
- 2. research undertaken tot solve a specific problem
- 3. A one atom ion such as mg2 or Br
- 4. visual, verbal, or mathematical explanation of experimental data
- 9. anything that has mass and takes up space
- 12. the amount of gravitational pull on matter