6th Grade Science - The History of Planet Earth_2019 - 2020

How many layers does the Earth have?

• A) 1

• B) 2

• C) 3

• D) 4

What is the outermost layer of the Earth called?

• A) Crust

• B) Inner Core

• C) Mantle

• D) Outer Core

What is the only liquid layer of the Earth?

• A) Crust

• B) Inner Core

• C) Mantle

• D) Outer Core

What is the semi-solid layer of the Earth that makes up

about 2/3 of the planet’s mass?

• A) Crust

• B) Inner Core

• C) Mantle

• D) Outer Core

Which layer of the Earth that is under the most pressure?

• A) Crust

• B) Inner Core

• C) Mantle

• D) Outer Core

A type of rock made from magma below the surface of the Earth.

• A) Extrusive Igneous

• B) Intrusive Igneous

• C) Metamorphic

• D) Sedimentary

A rock that has formed as a result of intense heat and pressure below the Earth.

• A) Extrusive Igneous

• B) Intrusive Igneous

• C) Metamorphic

• D) Sedimentary

A type of rock that forms from eroded pieces of other rocks.

• A) Extrusive Igneous

• B) Intrusive Igneous

• C) Metamorphic

• D) Sedimentary

A type of rock that forms above the surface of the Earth and does not contain any fossils.

• A) Extrusive Igneous

• B) Intrusive Igneous

• C) Metamorphic

• D) Sedimentary

Bacteria are an example of a _________.

• A) eukaryote

• B) prokaryote

• C) stromatolite

• D) virus