Term | Definition |
Luster | The way a mineral reflects light from its surface. |
Streak | The color of the mineral's powder |
Moh's Hardness Scale | A scale for ranking ten minerals from softest to hardest: used for testing of mineral hardness. |
Compound | A substance made of 2 or more elements chemically combined in a specific ratio. |
Compaction | The process of which sediments are pressed together under their own weight. |
Cementation | The process in which dissolved minerals crystallize and glue particles of sediment together in one mass. |
Weathering | The chemical and physical processes that break down rock and other substances. |
Erosion | The process by which water, ice, wind, or gravity moves weathered particles of rock and soil. |
Deposition | Process in which sediment is laid down in new locations. |
Geocentric Model | Term describing the model of the universe where Earth is in the center with the planets and stars revolving around it. |
Rotation | The spinning motion of the planet on its axis. |
Revolution | The movement of an object around another object. |
Law of Universal Gravitation | The specific law that states that every object in the universe is attracted to every other object. |
Sun Spot | A dark area of gas on the sun's surface that is cooler than surrounding gases. |
Corona | The outer layer of the sun's atmosphere. |
Photosphere | The inner layer of the sun's atmosphere that gives off visible light:
the sun's surface. |
Greenhouse Effect | The trapping of heat near a planet's surface by certain gases in the planet's atmosphere. |
Speed | The distance an object travels per unit of time. |
Velocity | Speed in a given direction. |
Mass | A measure of how much matter is in an object. |
Weight | The measure of the force of gravity acting on an object. |
Acceleration | The rate at which velocity changes. |
Force | A push or pull exerted on an object. |
Work | Force exerted on an object that causes it to move. |
Power | The rate at which one form of energy is transformed to another. |
Luster | The way a mineral reflects light from its surface. |
Streak | The color of the mineral's powder |
Moh's Hardness Scale | A scale for ranking ten minerals from softest to hardest: used for testing of mineral hardness. |
Compound | A substance made of 2 or more elements chemically combined in a specific ratio. |
Compaction | The process of which sediments are pressed together under their own weight. |
Cementation | The process in which dissolved minerals crystallize and glue particles of sediment together in one mass. |
Weathering | The chemical and physical processes that break down rock and other substances. |
Erosion | The process by which water, ice, wind, or gravity moves weathered particles of rock and soil. |
Deposition | Process in which sediment is laid down in new locations. |
Geocentric Model | Term describing the model of the universe where Earth is in the center with the planets and stars revolving around it. |
Rotation | The spinning motion of the planet on its axis. |
Revolution | The movement of an object around another object. |
Law of Universal Gravitation | The specific law that states that every object in the universe is attracted to every other object. |
Sun Spot | A dark area of gas on the sun's surface that is cooler than surrounding gases. |
Corona | The outer layer of the sun's atmosphere. |
Photosphere | The inner layer of the sun's atmosphere that gives off visible light:
the sun's surface. |
Greenhouse Effect | The trapping of heat near a planet's surface by certain gases in the planet's atmosphere. |
Speed | The distance an object travels per unit of time. |
Velocity | Speed in a given direction. |
Mass | A measure of how much matter is in an object. |
Weight | The measure of the force of gravity acting on an object. |
Acceleration | The rate at which velocity changes. |
Force | A push or pull exerted on an object. |
Work | Force exerted on an object that causes it to move. |
Power | The rate at which one form of energy is transformed to another. |