Across
- 2. The largest continent
- 5. The only metal that is a liquid at room temperature
- 7. A type of story that is made up and not real.
- 10. The opposite of divide.
- 11. The closet planet to the sun.
- 12. The three states of matter; solid, liquid and_____
- 14. The number of sides on a hexagon
- 16. is a planet that has many rings around it.
- 17. The lightest metal that is used in the new batteries.
- 18. Is an element used to fill balloons that float.
Down
- 1. is the heaviest element on earth.
- 3. is the hottest planet in the solar system.
- 4. The lightest known element.
- 6. The capital of the United States
- 8. Water turns into this when it freezes
- 9. A punctuation mark that ends a question
- 13. The process by which plants make food.
- 15. A person that studies the past.