Across
- 1. a strong effect on something; to hit with force
- 5. a person who plans and builds a machine
- 7. interfere with or interrupt something
- 8. relating to the study of Earth's physical properties
- 9. a place where a plant or animal normally lives or grows
- 11. a structure that controls the flow of materials
Down
- 2. formed by putting together
- 3. a sequence of events that occurs regularly
- 4. a text that is persuading the reader
- 6. the remains of something that has been destroyed
- 10. people who support a cause or policy