Rock Layers Assessment

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How are fossils created?

• A. Traces of organisms harden like rock.

• B. Dead organisms are quickly buried for millions of years.

• C. Animals get trapped.

• D. All of the above

Rock layers with seashell fossils tell us...

• the area is part of the beach now.

• the area was covered by an ocean in the past.

• the area must be a desert.

• plants were located in this area.

What do rock layers tell scientists about?

• Earth's weather

• Earth's present

• Earth's future

• Earth's history

How can studying fossils help scientists?

• It tells them which organisms were parents.

• It tells them which organisms lived in that area long ago.

• It tells them nothing about the environment.

• It tells them how the animal died.

Rock arrangements, such as sea stacks, arches, mesas, and gorges, created by weathering, erosion, and other natural processes.

• Rock Formations

• Earthquake

• Evidence

• Rock Layers

Define rock layers.

• Stacked levels of rocks with different compositions and fossils deposited over time with the oldest layers at the bottom and the youngest layers at the top

• Rock arrangements, such as sea stacks, arches, mesas, and gorges, created by weathering, erosion, and other natural processes

• Major geological event that occurs when plates shift suddenly and release stored energy; a frequent occurrence along all types of plate boundaries

• A design or sequence that is repeated

The diagram shows layers of sedimentary rock and examples of the fossils each layer contains, Which layer contains the oldest fossils?

• Layer 2

• Layer 4

• Layer 1

• Layer 3

All these items were found buried into rock. Which of them are fossils? Check ALL that apply.

• A plant leaf

• A soup can

• A dinosaur bone

• A dragonfly wing

A fish fossil was found in layer A. What does this tell us about the possible history of this area?

• Fish used to live on land there

• This area has always been land

• That area used to be underwater

• Layer A is currently covered in water