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18 Cards in this Set

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  • Back
SOLAR SYSTEM
the Sun and all the objects that orbit the sun
ATMOSPHERE
a layer of gases surrounding a planet
Telescope
tool that gathers light to make faraway objects appear closer
lens
a curved piece of glass
asteroid
a small chunck of rock or metal that orbits the Sun
comet
a body of ice and rock that orbits the Sun
mineral
a substance found in nature that is not a plant or an animal
landform
a feature on the surface of the Earth
plain
a large area of land with few hills
valley
amn area of land lying between hills
plateau
a flat area of land that rises above the land that surround it
weathering
a process that causes tocks to crumble crack and break
erosion
occurs when weathered materials are carried away
glacier
a large mass of ice in motion
hurricane
a violent storm with strong winds and heavy rains
earthquake
a sudden movement in the rocks that make up Earth's crust
volcano
an opening in the surface of Earth
volcano
an opening in the surface of Earth