the rock cycle and rock layers

When volcanoes erupt, what do they release?

• Magma

• Water vapor

• Sedimentary rocks

• Metamorphic rocks

Which type of rock is formed when lava cools after exposure to the air?

• Metamorphic rock

• Igneous rock

• Sedimentary rock

• None of the above

The process by which rocks are broken down by wind and water to form soil is called _____,

• rock splitting

• pressure washing

• rock grinding

• weathering

What is the type of rock formed directly through the erosion of igneous rocks by wind, rain, and ice called?

• Metamorphic rock

• Sand

• Sedimentary rock

• Soil

True or False: Sedimentary rocks are the only kind of rock that contain fish fossils.

• True

• False

When sedimentary rock is subjected to enormous amounts of heat and pressure, it changes into _____.

• igneous rock

• metamorphic rock

• soil

• sand

All of the rocks in the world used to be _________________ rock called molten rock.

• melted

• bubbles

• dirt

• Igneous

Rocks are always changing, and are part of something we call the rock cycle

• rock cycle

• tons

• hardest

• LIGHTER

As you go through the different layers, the color of soil becomes LIGHTER/DARKER

• ligchter

• sedimentary

Does soil have layers?

• yes

• no