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Vocabulary
The Earth's Layers
Types of Rocks
W.E.D?
Surprise!
100
What is the definition for a 'rock'?
A solid mixture of minerals.
100
What are the three layers of the earth?
1. Crust 2. Mantle 3. Core
100
What are the three different types of rocks?
Igneous, Metamorphic and Sedimentary
100
The slow process of rocks breaking down is ___________________.
Weathering
100
Wave dropping sand on the beach is an example of ______________________.
Deposition
200
What the definition of a 'sedimentary' rock?
A rock that is made from other sediments (broken rocks).
200
Which part of the earth is the hottest?
The core.
200
Which rock is formed by heat?
Igneous
200
Three things can move sediment from one place to another. What are the three natural forces?
Wind, Water and Ice
200
What does a texture of a rock mean?
The feel of a surface of a rock to the touch.
300
What is a 'mineral'?
Natural substances found below the Earth's surface.
300
Scientists believe that the outercore is a hot liquid made of iron and __________.
Nickle.
300
Pumice is what type of rock?
Igneous
300
Dropping sediment into a new place is known as _________________.
Deposition
300
What does chemical composition mean?
What a gem or stone is made up of.
400
What is a description for a metamorphic rock?
A rock that changes.
400
The largest layer of the earth is the _____________.
Mantle.
400
Conglomerate is what type of rock?
Sedimentary
400
Heavy rain hitting soil and spalshing it away is an example of ____________.
Erosion
400
Flood waters moving soils from one location to another is an example of _____________.
erosion
500
What is a igneous rock?
A rock that is made from lava.
500
The magma from a volcano comes from which layer?
The Mantle.
500
What type of rock is marble?
Metamorphic
500
Wind blowing on soft rocks and wearing it down is an example of _________.
Weathering
500
How does a volcano erupt?
When magma is under a lot of pressure, it rises up through the volcano.