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Weathering
Erosion
Volcanoes
Changing Earth
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100
The process where rocks from Earth's crust are slowly being broken into smaller pieces is called...
Weathering
100
What is the difference between weathering and erosion?
Weathering breaks rocks into smaller pieces; erosion moves those pieces away.
100
What causes magma beneath a volcano rise to the surface?
Gases in the magma
100

A break or crack in rocks where Earth's crust can move is called...

A fault

100
What term describes when a sea dries up, leaves behind deposits of minerals and rocks, returns again and again depositing layers of rock each time?

deposition

200
What are 3 of the 4 physical causes of weathering?
Water, ice, temperature change, and living things
200
The laying down of pieces of Earth's surface is called...
Deposition
200
Volcanic eruptions produce...
Rock , lava, and ash
200

What is the main force cut out the Grand Canyon?

Colorado River


     Water

200

What pulls all objects from higher places to lower places?

Gravity

300
Explain how plants can weather a rock.
A plant's roots can grow inside a rock, and as they grow, it can break the rock apart.
300
Name 3 of the 4 ways weathered materials are moved.
Water, ice, gravity, and wind
300
What is the difference between lava and magma?
Magma is molten rock below earth's surface; lava is molten rock one it is above the earth's surface.
300

About how old is the Grand Canyon?

5.5 million years old

300

List 5 different landforms.

Sample Answers: Plains, plateaus, mountains, peninsulas, valleys, canyons

400
How can ice cause physical weathering?
If water gets into the crack of a rock and then freezes, it will expand when it turns into ice. The expanding ice can cause the rock to break into smaller pieces.
400
Name 1 similarity and 1 difference between landslides and avalanches.
Both landslides and avalanches are rapid downhill movements due to gravity. Landslides are the movement of rock and soil, while avalanches are the movement of snow and ice.
400
What is the difference between an active and a dormant volcano?
Active volcano - erupts frequently Dormant volcano - a volcano that has not erupted for a long time
400

What pulls pieces of rock down a mountain to cause a landslide?

     Gravity

400

What comes first: weathering or erosion?

Weathering

500
Name the 2 types of weathering and how they are different.
Physical and chemical weathering. Physical weathering changes the size and physical appearance of rocks. Chemical weathering causes rocks to change into different materials.
500

Erosion has many forms.  Choose all types of erosion from the list below:

wind, waves, glacier, avalanche, landslides

All of them are types of erosion.

wind, waves, glacier, avalanche, landslides

500
Where on earth's crust are volcanoes located?
Weak spots on Earth's crust; along or near where Earth's plates come together
500

When two plates push together they create what?


What type of movement of plates is that called?

divergent, convergent or subduction 

A mountain


Convergent



500

A seismograph measures the movement of the Earth's crust.  What does it help predict?

What is volcanoes and earthquakes