Across
- 3. planet that we live on
- 4. tool for adding, subtracting, multiplying, and doing other math
- 6. costly
- 8. the opposite of day
- 10. tool for making objects appear larger
Down
- 1. objects that store electrical energy
- 2. material used to make solar panels
- 5. energy of heat
- 7. light from the sun
- 9. glass-covered openings in houses that let light in