Chapter 4 Lesson 1 Rocks and the Rock Cycle

Lava is

• molten or liquid rock underground

• molten rock that erupts on Earth's surface

• a type of rock formed from magma

• a fragment that makes up a rock

Magma is

• molten or liquid rock underground

• molten rock that erupts on Earth's surface

• a type of rock formed from magma

• a fragment that makes up a rock

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A rock is

• a naturally occurring, inorganic solid

• a natural, solid mixture of minerals or grains

• molten or liquid material that is deep beneath Earth's surface

• a halloween treat

What do geologists call the fragments that make up a rock?

• sediment

• texture

• grain

• lava

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How do geologists classify rocks?

• Based on how they form.

• Based on where they are found.

• Based on their density.

• Based on their mass.

What do geologists call the small pieces of rock formed when rocks break down?

• sediment

• texture

• grain

• lava

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The grain size and the way grains fit together in a rock is called

• sediment

• texture

• igneous

• metamorphic

Define rock cycle

• the process through which all minerals are formed

• the process that changes wastewater into drinking water

• the process that makes a rock smooth

• the process that changes one rock type into another

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Igneous rock forms

• where sediment is deposited, compacted, and cemented

• as the result of erosion and deposition

• when rocks are exposed to extreme temperature, pressure, or chemical fluids

• from magma as it cools underground and crystallizes

Sedimentary rock forms

• where sediment is deposited, compacted and cemented

• as the result of lava reaching the Earth's surface

• when rocks are exposed to extreme temperature, pressure, or chemical fluids

• from magma as it cools underground and crystallizes

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NGSS.MS-ESS1-4