Across
- 1. amount of matter that makes up an object
- 4. long term weather
- 5. capacity to supply heat or do work
- 6. a column in the periodic table of the chemical elements
- 7. Horizontal rows of the periodic table
- 8. short term weather
Down
- 1. anything that takes up space and can be weighed
- 2. the power of solar radiation per unit area
- 3. substnace whose atoms that have the same number of protons