Fossils and Rocks

Which layer is the oldest?

• D
• C
• B
• A

Which of the following correctly lists the layers in order from oldest to youngest?

• A, B, C, D, E
• E, B, C, D, A
• E, D, C, B, A
• C, B, A, D, E

Which of the following does the law of superposition tell scientists?

• Absolute age
• Relative age
• Exact age
• All of the answer choices

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Which of the following happened most recently?

• A. Deposition of Unit C
• B. Deposition of Unit B
• C. Deposition of Unit F
• D. Tilting of C, D, E, and F

What type of fossil is this?

• Mold 
• Cast
• Preserved remains
• Petrified

What type of fossil is this?

• Preserved remains
• Petrified
• Mold
• Cast

What is the correct order of the rock layers from oldest to youngest?

• F, E, C, B, A, D
• A, B, C, D, E, F
• F, E, D, C, B, A
• D, F, E, C, B, A

Fossils are usually found in 

• igneous rock
• extrusions
• intrusions
• sedimentary rock