Presenting the Who wants to be a

millionaire game

By Cynthia

D-Block

Which layer of the earth is the thickest?

Outer Core crust

Inner Core Mantle

How much salt water takes up the hydrosphere?

99% 97%

78% 69%

What is the solid part of the earth’s surface called?

Inner core atmosphere

lithosphere hydrosphere

The gasses that surround the planet is called?

atmosphere hydrosphere

lithosphere H20

Where are minerals always found?

In Nature In a book

In tree roots in the ocean

What is a natural solid that has a definite shape?

rock crystal

minerals Earth’s crust

What has definite properties that help us identify them?

crystal rock

minerals Chemical properties

During the day rocks…

contract freeze

crack expand

Weathering just splits the earth’s crust into smaller and smaller pieces. It does not………the pieces

carry away crack

pressure water

Ants, worms, and woodchucks help weathering because they make….. in the soil

holes pressure

roots air

The…..of ice can split a rock

air roots

crack pressure

Scientists think the earth was formed…..years ago

5 hundred thousand 5 billion

3 hundred 2 10 hundred trillion

The mantle is about……thick

2800km 2450km

300g 2900km

The mantle consists of…..

Hot rocks and gases cool rocks and water

Hot liquid and is 2200km thick

Molten, underground rocks

The outer core is made up of…… and the inner core is made up of…..

boiling water, freezing water

magma, salt

cool rocks, rocks and gases

liquid metals, solid metals