unit 3 ch 1 Amplify

How does a fossil form?

• By flying in the air

• By being buried underground

• By melting in the sun

• By floating in the water

What can fossils tell you?

• What time it is

• What people are thinking

• What kind of plants or animals were in an area

• What the weather will be like

Why can fossils be so hard to find?

• Because they are too small to see

• Because they are too big to handle

• Because they can be buried very far underground

• Because they are always moving

Why is it that you can find a fossil of a fish in one area, very deep under the earth, and then a few layers up, find a fossil of a dinosaur?

• Because there was an ocean there previously

• Because the fish and dinosaur were related

• Because the fish and dinosaur were enemies

• Because the fish and dinosaur were friends

How do sedimentary rock layers form?

• By floating in the air

• By melting in the sun

• By sediment sinking and building up in water

• By being buried underground

Which rock layer is oldest? How do you know?

• D - It is on the bottom

• C - It is in the middle

• B - It is on the bottom

• A - It is on the top

Which rock layer is youngest? How do you know?

• D - It is on the bottom

• C - It is in the middle

• B - It is on the bottom

• A - It is on the top

Fossils can be found in what types of rocks?

• metamorphic

• igneous

• sedimentary

• volcanic

 a clue about life from the past that is preserved in rock

• geologist

• fossil

• sediment

• rock layer

a scientist who studies the processes and materials that form the solid part of Earth

• fossil

• sedimentary

• evidence

• geologist