28 terms

3.7 A,B,C & D Earth and Space

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Earthquake
A sudden release of energy under the Earth's surface that makes the ground shake or crack.
Landslide
The rapid, downward slide of rocks and mud.
Volcano
A mixture of hot rocks, ash, and gases that blows through a crack in Earth's surface.
Erupt
To break open suddenly.
tsunami
These begin with earthquakes creating vibrations on the ocean floor causing enormous waves that crash into coastal areas, destroying and flooding miles inland.
soil
A mixture of small pieces of rock and decomposing plants and animals.
Weathering
When forces on Earth break rocks apart or wear rock away.
Decompose
to rot and break down the remains of plants and animals into smaller parts.
Natural
comes from earth.
Characteristics
properties and descriptions of an object
Resource
Something valuable that we can use.
Product
Something that is made by people.
Conserve
to save and use something wisely
Mountain
Very large land formation with a peak at the top.
Hill
Large land formation with a rounded top.
Valley
The flat area between two mountains or two hills.
Plain
A large area of land that is flat with no mountains, hills, or valleys.
Landform
Feature on the surface of Earth that is not covered by water.
Orbit
The path one object takes as it revolves around another object in space.
Position
Where an object is located in space.
Model
A representation of something found in real life.
Planet
A round body in space made of rocks or gases.
Star
A ball of gas in space.
Sun
The star at the center of the solar system that provides heat and light to Earth.
Water Cycle
The changes to water as it moves up in the air and then back down to the Earth's surface.
Precipitation
Water that falls from clouds.
Evaporation
Water changing from liquid to gas.
Condensation
Water changing from gas to liquid.
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