2nd 9 Weeks Test

What type of fossil is used to determine the age of other fossils?

• oldest

• preserved

• index

• youngest

What law states that the youngest fossils are at the top and the oldest are at the bottom?

• Law of Gravity

• Law of Crosscutting

• Law of Order

• Law of Superposition

Fossils found in the _____ strata lived at the _____ time.

• different; same

• same; same

• same; different

• different; different

Which of the following is not a reason why we study fossils?

• see how past environments were

• show how much life was present in the past

• see how organisms have evolved

• see the exact time other organisms were alive

Where is the oldest time located on the geologic timeline?

• at the bottom

• at the top

• in the middle

• on the side

Which of the following did not contribute to mass extinctions?

• asteroids striking Earth

• volcanic eruptions

• lack of food

• climate change

What type of rock is formed when sediment is compacted and cemented together?

• Sedimentary

• Metamorphic

• Igneous

• Molten Rock

What type of rock is formed when magma cools and crystallizes?

• Sedimentary

• Igneous

• Metamorphic

• Molten Rock

What type of rock is formed when a rock is melted?

• Sedimentary

• Igneous

• Metamorphic

• Molten Rock

What type of rock is formed under extreme heat and pressure?

• Sedimentary

• Igneous

• Metamorphic

• Molten Rock