Fossils
Volcanoes and Earthquakes
Layers of the Earth
Weathering and Erosion
Rivers and Glaciers
100
The remains or track of organisms that lived long ago.
What is a fossil.
100
Shaking of the earth caused by movement of rock in the crust.
What is an Earthquake.
100
The Earth's center.
What is the core.
100
When rock is broken down into smaller pieces.
What is weathering.
100
A huge moving mass of ice.
What is a glacier.
200
Information about the Earth's history that is contained in fossils.
What is the fossil record.
200
A mountain that forms as lava flows through a crack in the Earth's surface.
What is a volcano.
200
Earth's thin outer layer.
What is the crust.
200
When rivers slow down, the drop sediment in a process called.
What is deposition.
200
Rivers move quickly through these areas.
What are steep areas.
300
Scientists use this to understand better what was living during each part of Earth's history.
What is the geologic time scale.
300
Where two land plates push against each other.
What is mountains form.
300
The rock layer below the crust.
What is the mantle.
300
The moving of weathered rock by water, wind, or ice is called.
What is erosion.
300
The longest river in the world.
What is the Nile.
400
Most fossils formed in this type of rock.
What is sedimentary rock.
400
Lava, ashes, ice, gases. One of these does not come from an erupting volcano.
What is ice.
400
Temperatures in this layer can reach up to degrees Celsius.
What is the inner core.
400
Landforms formed by deposition.
What is deltas.
400
Two main types of glaciers.
What are ice sheets and alpine glaciers.
500
In this type of fossil, a stick tree sap hardened around the organism and preserved it.
What is amber.
500
When two land plates meet under the sea.
What is volcanoes form.
500
Oozes up through the cracks and hardens to make new crust.
What is magma.
500
A slow process during which water dissolves the limestone under the surface and creates a large opening.
What is a sinkhole.
500
The longest river in the United States.
What is the Missouri River.
M
e
n
u