Show:
Earth
Volcanoes
Glaciers
Erosion/Weathering
Mystery
100
1. made out of solid rock 2. outermost layer
What are 2 facts about the crust
100
melted rock on Earths surface
What is lava
100
lakes,rivers,sand dunes deltas,drumlins,gravel pits &U-shaped valleys
What is MI landforms created by glaciers
100
wind, water, waves, running water, ice and gravity
What are agents of erosion
100
an active volcano that is not erupting, but supposed to erupt again
What is a dormant volcano
200
1. made out of rock 2. layer below the crust
What are 2 facts about the mantle
200
melted inside the Earth
What is magma
200
a period in Earths history when the ice on the polar caps expanded due to an overall lowering of the Earth's temperatures.
What is an ice age
200
plant seeds fall into cracks in rocks,plant roots grow and eventually break the rock
What happens when root wedging changes landforms
200
a volcano that has had at least one eruption during the past 10,000 years
What is an active volcano
300
1. made out of melted iron 2. liquid layer
What are 2 facts about the outer core
300
1. pumice 2. obsidian
What are 2 types of volcanic rock
300
Glacial and Interglacial
What are the periods within ice ages
300
wind, water, waves, ice and plant roots
What are the agents of weathering
300
an active volcano that is having an eruption
What is an erupting volcano
400
1. at Earths center 2. a sphere
What are 2 facts about the inner core
400
1. erupt violently and explode 2. lava flows from the opening
What is 2 ways volcanoes erupt
400
large masses of thickly packed ice that are constantly moving due to gravity, friction, weight and melting at their bottoms
What is a glacier
400
weathering
What happens when rocks are broken into smaller pieces
400
glaciers, landslides, tornadoes, continental drift, earthquakes, volcanoes, weathering, erosion
What are examples of land changers
500
the study of Earths plates
What is plate tectonics
500
a volcano is a mountain that forms when red-hot melted rock flows through a crack onto Earths surface
What is a volcano
500
They carve out basins, deep cracks, valleys and leave deep scratches on the solid rock they move over.
How do glaciers change the land
500
Landforms
What are physical features on the surface of the Earth
500
glacial debris, drumlins, moraine, rock debris
What are 2 parts of a glacier