Across
- 2. largest planet
- 6. process of making food in the presence of sunlight
- 8. planet closest to the sun
- 9. a combination of two inclined planes
Down
- 1. changes in humans at age 8-16
- 3. hottest planet
- 4. makes work easier
- 5. using letters and symbols to express math
- 7. using 'as' or 'like' to compare