| A | B |
|---|
| apparent motion | the way something appears to move(ie. sun appears to move across the sky) |
| axis | real or imaginary line through the center of an object around which it spins |
| orbit | the path an object follows as it revolves around another object |
| lunar eclipse | when the Earth casts a shadow on the moon |
| crater | an indention on the Moon's or planet's surface caused my meteroids |
| lunar | related to the Moon |
| moon phases | the different shapes the Moon has as it reflects the Sun's light |
| solar eclipse | when the Moon casts a shadow on Earth |
| revolution | when one object travels around another object |
| rotation | when an object completes one spin on its axis |
| melt | to change from a solid to a liquid |
| weathering | a slow process that breaks rock down into smaller pieces |
| geological (physical) features | landforms or features of Earth's surface (ie. mountain or valley) |
| water cycle | constant movement of water between Earth's surface and the atmosphere |
| freeze | to change from a liquid to a solid |
| canyon | a low lying area with steep sides/cliffs |
| condensation | when gas changes to a liquid |
| climate | weather over a long period of time (year after year) |
| evaporation | a liquid slowly changing to a gas without boiling |
| fossil fuels | a nonrenewable resource , such as coal, oil, and natural gas |
| erosion | moving sediment from one place to another by wind or flowing water |
| deposition | the dropping off of sediment |
| delta | formed when sediment is deposited in a triangular shape at the mouth of a river |
| natural resource | something found in nature that we use to improve our lives |
| renewable resources | sun, water, and wind -resources that can be made or used again and again during our lifetime |
| nonrenewable resource | a resource that can NOT be made again within our lifetime |
| Earth's orbit | ellipical path |
| cumulous clouds | puffy, white clouds (cotton balls) |
| cirrus clouds | wispy clouds high in atmosphere |
| stratus clouds | lower level clouds that look like a blanket |
| when shadows are the shortest | midday |
| when shadows are the longest | early morning and late afternoon |
| causes seasons | tilt of Earth on its axis causing sun to hit at different angles |
| moon phase before full moon | waxing gibbous |
| moon phase after full mon | waning gibbous |
