5th Grade Georgia Milestones Science
Study Guide with Complete Solutions
Construction - ANSWER✔✔-Proccesses that create land forms. (deposition, landslides, volcanic
eruptions and floods.)
Destructive - ANSWER✔✔-Proccesses that destroy land forms. ( weathering, erosion, landslides, volcanic
eruptions, earthquakes and floods.)
Weathering - ANSWER✔✔-Weathering is a term used to describe proccesses that breaks down rocks at
or near the surface of the earth to dissolve , decompose and break into smaller pieces.
Weathering can be caused by... - ANSWER✔✔-● Water
● Plants (roots break apart rocks)
●Temperature Change (water freezes in cracks of rocks)
Erosion - ANSWER✔✔-Erosion is the movement of sediments and soil by the wind, water, ice and gravity.
Deposition - ANSWER✔✔-Deposition is the dropping, or depositing, sediments by water, wind, or ice. It
builds new land on Earth's surface, like a delta at the end of a river or the pile up of a sand dune in the
desert. Shells on the beach are deposition by ocean waves. Deposition starts with "D", and so do dunes
and deltas.
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Chant: - ANSWER✔✔-Weathering will break rocks down
Erosion moves it all around
Put it here and then we're done
Now we have deposition
Landslides - ANSWER✔✔-Landslides are mass movements of land due to gravity.
Landslides can cause buildings to fall, or power and gas lines to break. Landslides even occur on the
continental slope in the ocean.
Volcanic eruptions - ANSWER✔✔-Volcanoes are mountains with openings in Earth's crust through which
magma, gases, and ash reach Earth's surface.When the magma erupts from the volcano the top of the
mountain can be changed, either built up or exploded off. The lava and ash can destroy forests and bury
fields. Volcanic eruptions can even change Earth's weather patterns. Volcanic eruptions also
occur under the oceans; these volcanoes that are built up are called Sea mounts. If the sea mount rises
above the ocean surface it is called a volcanic island (for example Hawaii or Japan).
Earthquakes - ANSWER✔✔-Earthquakes are vibrations on Earth's surface caused by sudden movement
in the Earth, often along a fault, a break in Earth's surface. Some earthquakes cause little damage and
some cause a lot of damage. Large earthquakes can cause landslides. Earthquakes under the ocean can
cause huge waves, called tsunamis that destroy land and cause great damage if they come ashore.
Floods - ANSWER✔✔-Floods occur when a large amount of water covers land that is usually dry. When
the flood occurs; rapid erosion can take place and move soil and sediments away.
When the flood recedes; new sediment is left behind and can build up rich soil deposits.
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