Unit 3 Study Guide Science

Most surface water is in lakes.

• True

• False

Which sphere includes all living things found on Earth? ____________

• Biosphere

• Atmosphere

• Lithosphere

• Hydrosphere

Which sphere includes all water found on Earth? ________________

• Hydrosphere

• Atmosphere

• Lithosphere

• Biosphere

The soil, rocks, and land make up the __________________.

• Earth's crust

• Earth's core

• Earth's atmosphere

• Earth's mantle

All the gasses that surround the earth make up the ________________.

• atmosphere

• hydrosphere

• lithosphere

• biosphere

Weather occurs in the _______________ layer of the atmosphere.

• troposphere

• stratosphere

• mesosphere

• thermosphere

The hottest layer of the Earth is the _________________. It is made of metal.

• inner core

• outer core

• mantle

• crust

This layer of the Earth is liquid and it is composed mostly of iron and nickel: ______________.

• outer core

• inner core

• mantle

• crust

This layer of Earth is the thickest. It is made of rocks: ________________

• the mantle

• the crust

• the core

• the lithosphere

This layer of Earth is the thinnest. It is the outer layer. It is make of rocks and minerals:____________

• the crust

• the mantle

• the core

• the lithosphere