| Term | Definition |
|---|---|
| Foliated | Metamorphic rock that has bands of mineral grains |
| Magma | Another name for Molten rock |
| Metamorphic | Heat and pressure produce this changed type of rock |
| Lithosphere | Layer of the Earth that includes the upper mantle and lower crust |
| Iron | The main element found in the Earth's core |
| Mantle | The thickest layer of the Earth's interior |
| Sediments | The name given to materials that come from broken down rocks and other substances |
| Weathering | The process of breaking down rocks into smaller pieces |
| Erosion | Movement of sediments by wind, water, gravity and glaciers |
| Sedimentary | A type of rock produced by the compacting of materials that settle in an area over time |
| Intrusive | Rocks that are formed inside volcanos |
| Molten | Melted liquid rock |
| Lava | Melted rock that flows down the outside of a volcano |
| Mercury | The hottest planet in our solar system |
| Saturn | A planet in our solar system that has rings |
| Jupiter | The most massive planet in our solar system |
| Neptune | The furthest planet from our Sun |
| Copernicus | The 1st scientist to say that the Sun was at the center of our solar system |
| Galileo Galilei | The man who may have invented the telescope |
| Pluto | The best known dwarf planet |
| Vasomir Engine | A fast space engine that may be able to take us to Mars in only 5 months |
| Revolution | Another word to describe an orbit |
| Cementation | A process of making sedimentary rock |
| Extrusive | Rocks that are made from cooled lava |
| Igneous | Rocks that form by volcanos |
