Vocabulary
Plate Tectonics
Earthquakes & Volcanoes
Rocks & Minerals
Rocks & Minerals Continued
100
Deep long valley in the ocean floor.
Trench
100
The scientific theory that states that the Earth's crust is made up of slow moving plates.
Plate Tectonics
100
This happens when plates slide past each other.
Earthquake
100
A process that breaks down rocks & minerals.
Weathering
100
All rocks are made of these.
Minerals
200
Melted rock formed in the Earth's mantle.
Magma
200
Name of the big supercontinent that geologists think existed over 200 million years ago.
Pangaea
200
Name of the 'fault' where Pacific & North American plates meet.
San Andreas
200
The wearing away of rock & soil.
Erosion
200
THREE things that cause the weathering process.
Water, ice, rain, plants, animals, chemicals
300
A type of rock formed from magma.
Igneous Rock
300
This is formed when one plate gets pushed under another beneath the sea.
Trench
300
This mountain builds up around an opening in the Earth's surface.
Volcano
300
Obsidian & granite are this type of rock, formed from magma.
Igneous
300
Rain & gases in the air make this which dissolves some rocks & minerals.
Weak acid / acid rain
400
Type of rock formed when igneous or sedimentary rocks change under very high temperatures or pressures.
Metamorphic Rock
400
This is formed when two plates collide on land.
Mountain Range
400
Magma that has reached the Earth's surface is called this.
Lava
400
Coal & limestone are this type of rock that takes a very long time to form.
Sedimentary
400
This is formed when weathering breaks down rocks, which mix with nutrients from living & non-living things.
Soil
500
Type of rock formed by the pressing together of smaller particles of rock or the remains of living things.
Sedimentary Rock
500
Name two of the mountain ranges that were formed when plates collide.
Andes, Alps, Himalayas
500
These can be created when volcanoes occur on the ocean floor. Which state is formed this way?
Islands - Hawaii
500
When igneous & sedimentary rocks become extremely hot it changes into this rock.
Metamorphic
500
Valleys cut by these are "U" shaped
Glacier
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