Unit 1 Review: Layers of the Earth

If you heat something it becomes less dense and will _________. (rise or sink)?

What two layers of the Earth are made up of metal (iron and nickel)?

The circular movement of hot rock in the mantle which is responsible for moving the tectonic plates above are known as what?

The convection currents in this layer help to create Earth's magnetic field. Which layer is it?

In what layer of the Earth is magma found?

If something is less dense, will it float or will it sink?

Dense things will SINK. (true or false)

Fill in the blanks with the correct words (sink/rise). Hot things ______ and cooler things _____.

Name the 4 layers of the Earth. Start with the outermost layer (the surface) and then move in towards the center of the Earth.

What layer of the Earth is the ONLY liquid layer of the Earth?

As you travel towards the center of the Earth, density increases. So which layer is the densest layer?

What are the two types of crust?

the measure of mass per volume is known as _______________.It tells us how tightly packed atoms are together in a substance.

As you travel deeper into the center of the Earth, what happens to temperature and pressure?

Name the 2 layers of the Earth where convection currents are found.

What do scientists use to help them know what the inside of the Earth looks like?

The densest and the hottest layer of the Earth is the ______________.

What is the density of water? (include the units in your answer)