Show:
Landforms
Rocks
Mish Mash
Slow Changes to Earth
Quick Changes to Earth
100

What is a canyon?

a deep, narrow valley with steep sides

100
What is the difference between a rock and a mineral?
A rock is made up of one or more minerals. A mineral is just one mineral.
100
Are all earthquakes deadly?
No!
100
What do you call the breakdown of big rocks to small rocks?
weathering
100
What is the difference between magma and lava?
Magma is inside the volcano, lava is outside of the volcano.
200

What is a U-shaped valley?

A valley formed by a glacier 

200

What is weathering? 

the breaking down of landforms by natural forces

200
Limestone is formed from sediment layered on top of sediment. What type of rock is limestone?
sedimentary rock
200

What is a glacier?

A large, moving mass of ice that shapes the land

200
What are 2 things that come out of volcanos besides magma/lava?
gases, dust, rocks
300

What is a v-shaped valley?

Narrow, steep sided valleys formed primarily by the process of river erosion.

300

What is erosion?

the process in which particles are broken away and removed from land

300

What do we call a hill of sand built by wind?

a sand dune

300
What are TWO agents of weathering?
wind and water
300
When causes an earthquake?
The movement of the crust and upper mantle. The tectonic plates move.
400

What is a sand dune?

a landform made when sand is deposited into a mound or ridge

400
What is the name of rocks that are made from sediment?
Sedimentary rocks
400
What are two things that cause landslides?
rain and earthquakes
400
What are TWO agents of erosion?
wind, water or glaciers
400
The downward movement of mud and rocks is called a ________________________.
landslide
500

What is a delta?

a landform made of sediment deposited by a river

500

What is deposition?

When materials stop moving and build up somewhere else

500
Describe the difference between weathering and erosion.
Weathering is the breaking down of rocks, erosion is the movement of rocks.
500
What is ONE agent that weathering and erosion have in common?
wind or water
500
Name 3 QUICK changes to Earth.
volcano, earthquake, landslide