Rocks & Fossils

Select the fossils that can help a scientist determine that this land used to be covered in water.

Answer explanation

This is what fins look like on an organism that swims.

Tags

NGSS.MS-LS4-1

Select the oldest layer of soil that contains fossils.

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS1-4

Select the fossils of carnivores.

Answer explanation

A scientist can determine what an animal ate based on its teeth. This fossil has SHARP teeth which means that this creature probably ate meat.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Match the following

• sedimentary

  rock

• 
• trace

  fossil

• 
• mineral

• 
• imprint

  fossil

• 
• fossil

  fuel

• 

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

NGSS.MS-LS4-2

What's your favorite dinosaur?

Reorder the following in the correct sequence.

• 
• 
• 

Answer explanation

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-3

NGSS.MS-LS4-2

NGSS.MS-ESS1-4

What process is responsible for moving the soil and small rocks downstream?

• weathering

• erosion

• deposition

• compaction

Tags

NGSS.MS-ESS2-4

(a)   is responsible for moving the soil and small rocks downstream.

Tags

NGSS.4-ESS2-1

What happens to the soil and small rocks when they settle and build up at the mouth of the river?

HINT-The mouth of the river is at the bottom.

• They are eroded into smaller pieces.

• They are deposited to form a delta.

• They are compacted to form sedimentary rock.

• They are melted by the river's heat.

Answer explanation

The water from the river deposits (deposition) the soil and small rocks to a NEW location which is at the end of the river.

Tags

NGSS.MS-ESS2-2

Identify the mouth of the river where soil and small rocks are deposited.

Answer explanation

The water from the river deposits (deposition) the soil and small rocks to a NEW location which is at the end of the river.

Tags

NGSS.MS-ESS2-2