Time Traveling Tour Guides DQ 2 Quiz

True or false: The rocks at the bottom of the Grand Canyon are the oldest.

• True
• False

True or false: Fossils found in landscapes are as old as the layer in which they are found.

• True
• False

This diagram shows how layers of rock are formed, and that they can contain preserved parts of animals and plants which we call fossils. This will help you with the next 3 questions. Take a minute to look over it and write what you notice.

How long did it take for the erosion to go from Diagram 1 to Diagram 3?

• many weeks
• many years
• many hundreds of years
• many millions of years

Where did the sediment shown in the basin in Diagram 2 come from?

• the center of the Earth
• animals digging/burrowing
• humans leaving rubbish
• the mountain wearing away

Look at the different colored layers in the basin in Diagram 3. Which layer has the youngest rocks?

• yellow layer
• green layer
• orange layer
• charcoal layer

The diagram below shows how different layers of rocks can contain different types of fossils. Which layer of rock is most likely to be the oldest?

• the layer containing trilobites
• the layer containing fishes
• the layer containing amphibians
• the layer containing dinosaurs