Across
- 4. A water __________ consists of two hydrogen atoms and one oxygen atom
- 6. The scientific field that deals with the study of the Earth
- 7. The root of the word submarine
- 9. Animal relationship where both animals benefit
- 11. The smallest living things
- 14. The largest continent
- 16. The punctuation mark used to express emotion or emphasis
- 18. Molecules are formed from ____________
Down
- 1. The largest planet
- 2. The unit of measurement for temperature
- 3. The fundamental buildings blocks of all matter
- 5. Linking words that connect words, phrases, and clauses
- 8. The type of animal a whale is
- 10. Another name for the Legislative Branch of the US Government
- 12. Poems have __________ instead of paragraphs
- 13. The force that pulls objects with mass towards each other
- 15. Hydrogen is an example of an __________
- 17. Another word for different types of environments or habitats