Plate Tectonics
Rocks
Volcanoes & Earthquakes
Layers of the Earth
Mountains
100
What is the layer of rock under the surface called?
Bedrock
100
What are the BIGGEST rocks called?
Boulders
100
Name 3 things come out of volcanoes
Smoke, ash, rocks, toxic gas
100
What the is the outer layer of the Earth called?
Crust
100
What 3 things can happen to mountains?
Move, grow, shrink
200
Which layer of the Earth are tectonic plates part of?
The crust
200
What are the small rocks that are easily moved by water and wind?
Silt or sediments
200
What is the difference between magma and lava?
Magma is inside the volcano and lava is outside
200
What is the mantle made of?
Magma/ liquid rock
200
What two things make mountains grow and shrink?
Earthquakes and Volcanoes
300
What makes the bedrock move?
The mantle moving underneath it
300
What is it called when rocks are broken into smaller pieces?
Weathering
300
Where do earthquakes usually happen?
Along plate boundaries
300
What is the center of the Earth called?
Inner Core
300
What makes mountains shrink?
Erosion
400
What are the cracks in the bedrock called?
Faults or Fault Lines
400
What is it called when smaller pieces of rocks are moved?
Erosion
400
Why do earthquakes happen?
The tectonic plates move because of the magma moving underneath the bedrock
400
What state of matter is the Outer Core?
Liquid
400
What does "erosion rate" mean?
How much a mountain is worn down
500
Name 2 things that can FORM at plate boundaries
Mountains, trenches, ridges, volcanoes, islands, new crust
500
What happened to make the hole in this arch?
Weathering and Erosion from water flowing through it
500
What is happening at tectonic plates for a volcano to form? Hint: how are they moving?
Moving towards each other and pushing up on the crust
500
Which layer of the Earth is the hottest?
Inner Core
500
FINAL JEOPARDY: What will happen to a mountain when the uplift rate is HIGHER than the erosion rate?
it will GROW