Across
- 2. In the periodic table what does the symbol Zn represent?
- 5. Which is the main gas that makes up the Earth’s atmosphere?
- 8. What is a material that will not carry an electrical charge called?
- 9. The concept of gravity was discovered by which famous physicist?
- 11. Which natural disaster is measured with a Richter Scale?
Down
- 1. What is the biggest planet in our solar system?
- 3. What animals are pearls found in?
- 4. What is the hardest natural substance on earth?
- 6. What part of the atom has no electrical charge?
- 7. What is meteorology the study of?
- 10. Which planet is the hottest in the solar system?