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Ethan > NST > Flashcards

NST Flashcards

1
Q

What is a Sedimentary rock

A

A rock made of sediments

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2
Q

What is an Igneous rock

A

A rock that is made of cooled lava or magma

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3
Q

What is a Metamorphic rock

A

A rock that has gone through a big change

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4
Q

What is Orbit

A

The movement of an object in space around another object

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5
Q

What is Axis

A

The imaginary line from north to south through the center of the Earth

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6
Q

What are rocks

A

Rocks are solid chunks of one or more minerals

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7
Q

What is metamorphism

A

When temperature and pressure cause some minerals in the rock to break down and other minerals to form

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8
Q

What is sedimentation

A

When layers of sediment are compacted and cemented together over time to form rock

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9
Q

What is rotation

A

The spinning movement of an object around itself

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10
Q

What is topsoil

A

The layer of soil that lies on the surfaces of the Earth

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11
Q

What is subsoil

A

The layer of soil that lies underneath the topsoil

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12
Q

What is fertile soil

A

Soil in which plants can grow

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13
Q

What are the three main groups of soil

A

Sandy soil, clayey soil and loamy soil

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14
Q

Which type of soil stores the most water

A

Clayey soil

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15
Q

Which type of soil is best for growing plants

A

Loamy soil

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16
Q

What is the Crust of the Earth

A

The surface layer of the Earth

17
Q

What is the definition of decompose

A

To break down into smaller parts

18
Q

What does compacted mean

A

Tightly packed together

19
Q

What are sediments

A

pieces of broken up rock deposited by wind or water

20
Q

How many layers of soil are there on Earth

A

5

21
Q

Which type of soil dries out fastest

A

Sandy soil

22
Q

What is under bedrock

A

Magma

23
Q

Which type of soil has lots of Humus

A

Loamy soil

24
Q

What is soil made of

A

rocks and organic matter

25
Q

What is Limestone made of

A

Calcite

Ethan (7 decks)

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