Sedimentary Rocks and Fossils

The rock in Grand Canyon National Park is formed from layers of sand, minerals and shells. Which type of rock is present at Grand Canyon National Park

• Igneous

• Metamorphic

• Sedimentary

• Lava

A group of students explores the steps required for sedimentation of rocks. They record the steps of the process: 1)Weathering, 2)Erosion, 3) Deposition. Which one would best complete the sequence?

• 4) Layering

• 4) Transporting

• 4) Compaction

• 4) Fragmenting

The Wooly Mammoth was an organism that lived 1.65 million to 10,000 years ago. It had a thick, hairy coat of wool. It had up to 4 inches of fat beneath the skin along with small ears and a short tail. What can its fossil remains tell scientists?

• The environment of the wooly mammoth was hot and dry.

• The environment of the wooly mammoth was hot and humid.

• The environment of the wooly mammoth was warm and sunny.

• The environment of the wooly mammoth was cold and snowy.

Tags

NGSS.MS-LS4-1

In 1970, fossil remains of a Tyrannosaurus Rex were found in Big Bend National Park. The Tyrannosaurus Rex fossils included part of a jaw with very sharp teeth. Which conclusion is supported by the discovery of these fossils?

• The Tyrannosaurus Rex fossils were carried there by a river.

• The Tyrannosaurus Rex ate animals that were living in Big Bend.

• The Tyrannosaurus Rex became extinct because Big Bend was uninhabitable.

• The Tyrannosaurus Rex ate plants that were living in Big Bend.

Marine geologists conduct field investigations to collect samples of fossils such as those pictured. Based on the information in the picture, what conclusion can be made about marine fossils and their environment?

• It was an animal that lived in caves.

• It was a plant that lived in caves.

• It was a a plant that lived in the sea.

• It was an animal that lived in the sea.

Which fossil in this diagram is the oldest?

• Fossil 3

• Fossil 2

• Fossil 1

Tags

NGSS.MS-ESS1-4

Which type of rock are fossils found in?

• Igneous Rock

• Sedimentary Rock

• Metamorphic Rock

Which explains why scientists study fossils?

• Fossils help predict climate changes.

• Fossils help keep species from becoming extinct.

• Fossils help understand about past organisms and their environment.

• Fossils help understand what to expect in the future.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

An ancient fossil of a fern is found in an area. What does it tell you about how the area used to look?

• The land was a dense forest.

• The land was a dry desert.

• There was once water in the area.

• The fossil had been moved because there could not have been plants in the past.

Tags

NGSS.MS-LS4-1

When examining sedimentary rock layers to better understand the nature of a fossil’s environment, which layer is considered to have evidence of the oldest past living organisms?

• The top layer of rock

• The middle layer of rock

• The bottom layer of rock

• All of the above