Science Chapter 6

What are very large rocks called?

• humus

• natural resources

• soil

• boulders

When sand and small bits of stone harden, _______ is formed.

• weathering

• sedimentary rock

• crust

• mineral

Earth's innermost layer is the _______?

• earthqucke

• landform

• core

• erosion

The remains of something that was once aliving in a/an _______.

• fossil

• core

• mineral

• metamorphic rock

What is something from Earth that people use?

• boulders

• humus

• natural resources

• soil

When melted rock cools and hardens, which of the following is formed?

• sedimentary rock

• igneous rock

• slate rock

• metamorphic rock

Which of the following is a cause of slow changes to Earth's surface?

• volcanoes

• earthquakes

• weathering

• floods

Bits of rotting plants and animals are _____.

• boulders

• humus

• natural resourses

• soil

Earth's middle layer is called the ________?

• crust

• mantle

• soil

• humus

The layer of Earth on which living things are found is the ____?

• crust

• mantle

• outer core

• inner core