Weathering
Erosion and Deposition
Earth
Earthquakes
Volcanoes and Landslides
100
What is weathering?
breaking apart, wearing away or dissolving of rock
100
What is erosion?
movement of sediment to a new place
100
name 3 landforms
et al...
100
true or false? All earthquakes can be felt.
false
100
The molten rock inside a volcano is called?
magma
200
How does abrasion affect rocks?
makes them smoother
200
What is deposition?
dropping or laying down sediment
200
How many layers does Earth have? name them.
3, crust, mantle, core
200
Name some effects of earthquakes.
buildings and bridges fall, roads twist, rivers change course, create landforms
200
What is the most likely cause of landslides?
volcanoes, eruptions
300
Which cause of weathering is the most powerful?
ice
300
what is a delta?
deposit of sediment where a river slows down when it meets the ocean
300
Name of layers of Earth.
crust, mantle, core (inner/outer)
300
What causes an earthquake?
2 plates building pressure and sliding past each other
300
How are volcanoes formed?
when one plate is pushed beneath another
400
Which cause of weathering most likely causes caves?
chemicals
400
What are the 4 causes of erosion?
wind, water, ice, gravity
400
What do you call the large pieces of rock that make up Earth's surface?
plates
400
What machine measures earthquakes?
seismograph
400
What new landform is made from volcanoes?
islands
500
What are the 5 causes of weathering?
wind, water, ice, chemicals, living things
500
Which landform is created when glaciers melt and deposit till or sediment?
moraine
500
true or false Earth's surface is always changing.
TRUE
500
When 2 plates push against each other, what landform is sometimes created?
mountain
500
What 4 things cause landslides?
volcanoes, earthquakes, weathering, gravity
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