Across
- 5. Blood transports oxygen and nutrients via the _____ system
- 7. An object created when light is blocked by an opaque object
- 9. This system protects your internal organs
- 10. A muscular organ that churns and digests food
Down
- 1. Force that opposes motion and produces heat
- 2. A natural process at which liquid changes state into gas
- 3. All matter has _____
- 4. All cell activities occurs here
- 6. A material that allows electricity to pass through is also known as an electrical __________
- 8. Force that pulls objects to the earth