Ln 18- Rocks, Minerals and Soils

Which type of rock is formed from melted magma, lava, and minerals?

• sedimentary

• igneous

• metamorphic

Which type of rock forms in layers?

• igneous

• metamorphic

• sedimentary

Limestone is an example of what kind of rock?

• igneous

• sedimentary

• metamorphic

How are sedimentary rocks formed?

• heat and pressure

• lava flows out of a volcano

• materials are pressed together for a long time

Marble is an example of what type of rock?

• metamorphic

• sedimentary

• igneous

This rock is changed by heat and pressure.

• Metamorphic

• Igneous

• Sedimentary

Gold, silver and copper are examples of minerals that have ______________________ luster.

• metallic

• Non - Metallic

Soil is made of

• weathered rocks and minerals

• dead plants and animals

• air and water

• all of the above

What living things are in soil?

• earthworms

• sand

• glass

• minerals

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

• sand

• silt

• clay

• humus