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- author "me"
- tags "Elaine"
- description ""
- fileName "1000 Facts about the Earth"
- freezingBlueDBID -1.0
- Solar System
- 8 Planets that orbit the sun.
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Earth's Orbit
The earth's path around the sun.
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Axis
The imaginary line through the center of the earth that goes from north pole to the south pole.
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Hemisphere
Imaginary half of the earth. Northern Hemisphere and Southern Hemisphere
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Equator
An imaginary line around the middle of the earth.
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Cells
The smallest units of life, from which all living things are made.
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Fossils
Hardened remains of an animal or plant preserved in rock.
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Evolution
Animals and plants change to survive.
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Dinosaurs
The biggest animals that ever lived. They were reptiles with scaly skin.
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Preserve
To protect, to keep safe, to maintain
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Disappear
Gone from sight.
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Earth's Crust
The Earth's outer shell.
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Earth's Plates
Plates above molten rock and below land.
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Continents
Pieces of land above floating plates.
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Past
Something that happened before now.
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Future
Something thats going to happen.
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Fossil Fuels
Oil, Gas, and coal are fossil fuels.
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Pressure
A great force upon a surface.
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Active Volcanoes
Volcanoes that might erupt.
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Richter Scale
Used to measure earthquakes.
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Lake
Large area of water that has collected in a valley.
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Waterfall
Occurs when a hard band of rock crosses under a river.
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Hollow
Empty inside, not solid.
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Temporary
Lasting for a short while, not permanent.
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