Earth & Space Science

5. A physical property of a solid used to describe the surface.
6. A solid material formed in nature or in Earth's crust with its own properties.
10. A climate zone near the equator characterized by warm temperatures.
13. A form of water that condenses in the atmosphere and falls to Earth's surface
14. The process by which rocks and other surfaces are broken down.
15. The process by which rock, soil, and other weathered materials are moved from one place to another.

1. The condition of the atmosphere at a given time and place.
2. The process by which water is changed from a gas to a liquid
3. A large object in space that is made of gas and produces its own light
4. Half of the Earth
7. A property of a mineral that describes how it appears when it reflects light.
8. A property used to describe how easily a mineral breaks apart along smooth surfaces.
9. The turning of an object on its axis
11. The loose top layer of Earth's surface made of weathered rock and organic matter.
12. A color of the powder of a mineral when it is rubbed on a streak plate.