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Understanding Erosion and Rocks

Authored by Brittany Howes

Science

7th Grade

NGSS covered

Used 1+ times

Understanding Erosion and Rocks
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Erosion is a process that slowly changes rocks. Which of the following most likely causes pebbles in a stream to erode?

flowing water

force of gravity

movement of ice

freezing and thawing

Tags

NGSS.MS-ESS2-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Basalt forms when lava cools on Earth’s surface. Granite forms when magma cools within Earth. Which of these claims correctly classifies both basalt and granite?

Basalt and granite are both igneous rocks.

Basalt and granite are both metamorphic rocks.

Basalt is igneous rock, and granite is metamorphic rock.

Basalt is metamorphic rock, and granite is igneous rock.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Earth can be divided into layers based on chemical composition. The three compositional layers of Earth are the core, the mantle, and the crust. Which of these answers best describes the core?

the innermost part of Earth below the mantle

the solid outer layer of Earth above the mantle

the hot, slow-flowing layer of material beneath the crust

the layer of Earth where tectonic plates are located

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following processes is primarily responsible for the formation of sedimentary rocks?

cooling and solidification of magma

compaction and cementation of sediments

heat and pressure causing metamorphism

melting of existing rocks

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main component of the Earth's crust?

iron

silicon

oxygen

aluminum

Tags

NGSS.MS-ESS3-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of rock is formed by the alteration of existing rock through heat and pressure?

igneous rock

sedimentary rock

metamorphic rock

volcanic rock

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a renewable resource?

coal

natural gas

solar energy

oil

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