| A | B |
|---|
| Aurora | Glowing region produced by the interaction of changed particles from the sun and atoms in the atmosphere,  |
| Coal | A black rock formed from the remains of ancient swamp plants; it is a fossil fuel.,  |
| Deposition | The natural process of laying down a deposit of something.,  |
| Extraterrestrial Life | Life that does not originate from earth.,  |
| Geothermal Energy | Geothermal energy is heat from within the Earth. Can recover this heat as steam or hot water and use it to heat buildings or generate electricity.,  |
| Jet Stream | A high-speed high-altitude airstream blowing from west to east near the top of the troposphere; has important effects of the formation of weather fronts,  |
| Maritime Climate | Is the climate typically found along the west coasts at the middle latitudes of some of the world's continents, and in southeastern Australia. Have moderately cool summers and comparatively warm winters,  |
| New moon | The phase of the moon that occurs when the moon is between the earth and sun, so that the moon cannot be seen from earth.,  |
| Plate | One of the major pieces that make up Earth's upper layer.,  |
| Reclamation | The process or industry of deriving usable materials from waste, by-products, etc,  |
| Sea Breeze | is a wind from the sea that develops over land near coasts. It is formed by increasing temperature differences between the land and water, which create a pressure minimum over the land due to its relative warmth.,  |
| Solar System | The sun and all the objects that revolve around it, including the planets and their moons, asteroids, comets, and meteors,  |
| Texture | The general physical appearance of a rock, especially with respect to the size, shape, size variability, and geometric arrangement of its mineral crystals (for igneous and metamorphic rocks) and of its constituent elements (for sedimentary rocks).,  |
| Uniformitarianism | The theory that all geologic phenomena may be explained as the result of existing forces having operated uniformly from the origin of the earth to the present time.,  |
| Weather Front | A weather front is a boundary separating two masses of air of different densities, and is the principal cause of meteorological phenomena.,  |
