Across
- 2. What is the Earth's primary source of energy?
- 6. What is the process of plants losing water through their leaves called?
- 7. what is the unit used to measure electric current
- 8. What is the name of the particle that carries an electric charge and orbits the nucleus of an atom?
- 9. What is the process by which a solid changes directly into a gas without becoming a liquid first
- 13. What is the smallest type of blood vessel in the human body
- 14. What is the largest organ in the human body?
- 15. What is the process by which plants convert sunlight into energy?
- 16. What is the chemical symbol for the element iron?
Down
- 1. What is the largest planet in our solar system?
- 3. What is the study of fossils called?
- 4. What is the unit used to measure energy?
- 5. What is the unit used to measure the intensity of sound?
- 7. What is the chemical symbol for the element gold?
- 10. What is the study of the classification and naming of organisms called?
- 11. What is the largest moon in our solar system?
- 12. What is the chemical symbol for the element sodium?