Across
- 5. the measure of all salts dissolved in water
- 7. process by which plants make their own food using water, sunlight, and carbon dioxide
- 9. it takes Earth 24 hours to complete one
- 10. a storm type where wind changes direction and the air begins to rotate, classified by its funnel-shape
- 12. the smallest planet in our solar system
- 13. part of the plant where photosynthesis occurs
Down
- 1. it takes Earth 1 year to complete one
- 2. this planet spins on its side
- 3. these are caused by the moon's gravitational pull
- 4. a tool used to measure air pressure
- 6. the hottest planet in our solar system
- 8. this part of a plant anchors the plant and takes in water from the soil
- 11. the role of an organism
- 12. known as the "Red planet"