Earth
Volcanoes
Glaicers
Weathering and Erosion
Mystery
100
The four layers of the earth
What are the inner core,outer core,mantle,crust
100
Two types of volcanic rock
What is obsidian & pumice
100
Glaciers form when
What is when more snow fall in winter than melts in summer
100
Weathering is
What is the breaking down or rock into smaller pieces
100
Gradual movements of the continents, they are constaly moving
What is continental drift
200
Three facts about the mantle
What is layer below crust,thickest layer, moves slowly because of hear and pressure, contains magma
200
Volcanoes that have erupted in the past 10,000 years
What is an active volcano
200
Large masses of thickly packed ice that creeps acroos land due to gravity, friction, and thier weight
What is a glacier
200
Explain how root wedging changes landforms
What is plant seeds fall into cracks in rocks, plant roots grow and eventually break the rock
200
When earth shakes
What is an earthquake
300
Three facts about the crust
What is thinnest layer, under continents and oceans, deeper under continents than oceans, outer most layer, 5-20 miles thick, in big plates
300
An active volcano that has not erupted for a long time but is suppose to erupt again
What is a dormant volcano
300
5 ways MI was changed by glaciers
What is carved valleys, shaped MI's land & peninsulas, created rock formation and cliffs, dug out lakes and rivers and then filled them with fresh water, deposited sand to from dunes, deposited rich soil for growing crops, deposited gravel and rock debris, created hills and ridges, bays and inlets
300
Explain how ice, running water, and gravity are agents of erosin
What is they move rocks and sediments to other locations on the land
300
When water falls into a crack and makes it break
What is ice wedging
400
Two facts about the inner core
What is sphere, solid, earth's center
400
Melted rock inside earth
What is magma
400
MI was covered by glaciers during....
What is the ice age
400
Running water, ice, wind, storms, tornadoes,gravity, waves, plants when there is root wedging
What is four things that change MI's landforms right now
400
One supercontinent called
What is pangea
500
Two facts about the outer core
What is liquid layer, probably made of melted iron, lies below mantle
500
Melted rock on earth's surface
What is lava
500
Explain how glaciers formed MI's lakes and rivers
What is they carved out basins and rivers when they moved across land then filled them with fresh water when they melted
500
Explain how wind, water,and gravity are agents of wearthering
What is they break rocks into smaller peices
500
When people get in the water and
What is swim
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