Reading the Rocks - Part 2

Fill in the blank: Geologists call the rock layer mentioned in the passage the ______ Sandstone.

• Coconino

• Red

• Blue

• Green

According to the passage, what evidence do geologists use to determine that a huge desert once existed in the area?

• Fossilized remains of desert plants and animals

• Presence of large sand dunes

• Layers of sandstone

• All of the above

Tags

NGSS.MS-LS4-1

Scientists know that reptiles walked, ran, and rested in the sand dunes of the Coconino Sandstone because of:

• fossilized footprints found in the sandstone

• fossilized bones found in the sandstone

• ancient drawings found in caves

• historical texts describing the reptiles

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

How many years ago did the reptiles walk in the Coconino Sandstone?

• 280 million years ago

• 820 million years ago

• 82 million years ago

• 28 million years ago

Tags

NGSS.MS-ESS1-4

What is the newest rock layer of the Grand Canyon called?

• The Kaibab Limestone

• The Coconino Sandstone

• The Redwall Limestone

• The Bright Angel Shale

Tags

NGSS.MS-ESS1-4

How old is the Kaibab Limestone?

• 150 million years old

• 270 million years old

• 300 million years old

• 500 million years old

Tags

NGSS.MS-ESS1-4

What type of rock is the Kaibab Limestone made from?

• Sandstone

• Granite

• Limestone

• Shale

The Kaibab Limestone formed under the sea. What evidence do geologists have for this?

• Presence of marine fossils

• Presence of volcanic rocks

• Presence of desert sand dunes

• Presence of glacial deposits

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

The Kaibab Limestone is known for containing fossils of which types of animals that lived in the sea?

• Reptiles

• Mammals

• Marine invertebrates

• Birds

Tags

NGSS.MS-LS4-1

What is sandstone?

• A type of rock made from sand grains stuck together by pressure

• A type of rock made from dead sea plants and animals

• A type of metal

• A type of plant