Rocks and Soil

What is the basic component of soil?

• leaves

• weathered rock

• sand

• animal droppings (poop)

Other components of soil include...

• plant roots and debris

• bacteria and fungi

• both of the above

• none of the above

Soil can be found covering the upper most layer of the continental crust.

• True

• False

The ingredients of soil are the same all over the world.

• True

• False

The rock cycle is a ______ process that builds, destroys and changes the rocks in the Earth's crust.

• fast

• slow

• weekly

• oceanic

The 3 basic types of rock are...

• sedimentary, sand, lava

• igneous, quartz, volcanic

• minerals, igneous, coral

• igneous, sedimentary, metamorphic

Plate movement starts the rock cycle by helping magma to form.

• True

• False

Cooled magma becomes...

• sand

• sedimentary rock

• igneous rock

• metamorphic rock

Soil forms as rock is broken down by...

• weathering

• construction

• sunshine

• deposition

The picture shows how a type of rock forms at the bottom of the ocean. What type of rock is this?

• lava

• igneous

• sedimentary

• metamorphic