fossils

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

• A. Layer 2
• B. Layer 4
• C. Layer 1
• D. Layer 3

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Where are most fossils found?

• A. In sand dunes
• B. In volcanoes
• C. In igneous rocks 
• D. In sedimentary rocks 

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

The surface of the land displays a mountain range and rivers. What might a scientist conclude about about the environment, based on the fossils in the sedimentary layers? 

• A. The land was once a rainforest. 
• The area was once covered by a desert. 
• C. The area was once a grassy plain. 
• D. The area was once near or covered by an ocean. 

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Which fossil layer is the youngest? 

• A. Layer A
• B. Layer B
• C. Layer C
• D. Layer D

Tags

NGSS.MS-ESS1-4

This fossil was found at an excavation site in West Texas. What can a scientist determine about this animal from evidence of the fossil? 

• A. This animal was a carnivore. 
• B. This animal was a good swimmer. 
• C. This animal lived in a cold climate. 
• D. This animal lived underground. 

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Some students made a model to show one of the first steps in the formation of sedimentary rock.  The students pour 2 cm of light-colored sand into a clear plastic box.  Then they add 1 cm of gravel.  Finally, they pour 2 cm of dark-colored sand on top of the gravel.  Which characteristic of sedimentary rock does this model best show?

• A. Sedimentary rock is made of layers.
• B. Sedimentary rock is cemented bits of rock.
• C. Sedimentary rock is often limestone.
• D. Sedimentary rock is common in Texas.

Tags

NGSS.4-ESS1-1

What conclusions could you make about the environment where this fossil formed?

• It was under water.

• It might have been a grassland.

• It was snowy and cold.

• It was a desert.

Tags

NGSS.MS-LS4-1

What is a good rule to follow when determining the age of rock layers?

• The oldest is always on the top.

• The rock layers get older as you dig deeper.

• The layers position does not necessarily tell you about the age.

• The youngest is always on the bottom.

Tags

NGSS.MS-ESS1-4

The era that dinosaurs ruled the Earth's land, air and oceans.

• Cenozoic
• Paleozoic
• Precambrian
• Mesozoic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following would NOT help an organism become fossilized?

• shell 
• skeleton 
• buried quickly with sediment 
• soft body parts