Across
- 2. The study of the Earth's physical structure and its history.
- 4. The study of patterns and relationships in numbers.
- 6. The process of combining nuclei to release energy.
- 8. A number that is divisible by 2.
- 9. The force that opposes the motion of an object through a fluid
Down
- 1. A polygon with seven sides.
- 3. The study of matter and its changes.
- 5. A three-dimensional figure with all sides and angles equal.
- 7. The process by which a liquid changes to a gas at a temperature below its boiling point.