Unit 2 Quiz

What does the Law of Superposition state?

• Young rock layers are at the top and older rock layers are at the bottom.

• Rock layers are always horizontal.

• Older rock layers are at the top and younger rock layers are at the bottom.

• Rock layers are randomly distributed.

Tags

NGSS.MS-ESS1-4

What are index fossils?

• Fossils that are found in metamorphic rocks.

• Fossils that are found only in one location.

• Fossils that are found in igneous rocks.

• Fossils that are geographically widespread and lived for a short period of time.

What is the primary cause of mass extinction?

• Over 75% of organisms die off.

• All organisms die off.

• Only plants die off.

• Only animals die off.

Tags

NGSS.MS-LS4-1

What most likely caused the extinction of dinosaurs?

• A sudden ice age.

• A large asteroid or comet impact.

• A massive volcanic eruption.

• A global flood.

Tags

NGSS.MS-LS4-1

How are fossils typically formed?

• Organism dies, sediment covers remains, sediments turn into rock, minerals replace bones.

• Organism dies, remains are exposed to air, bones turn into fossils.

• Organism dies, remains are eaten by predators, bones turn into fossils.

• Organism dies, remains are buried in ice, bones turn into fossils.

Where are fossils most commonly found?

• Sedimentary rocks.

• Metamorphic rocks.

• Volcanic rocks.

• Igneous rocks.

Tags

NGSS.MS-LS4-1

What percentage of Earth's water is salt water?

• 30%

• 70%

• 3%

• 97%

Where is most of Earth's freshwater located?

• Polar ice caps.

• Groundwater.

• Lakes and rivers.

• Atmosphere.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What does the presence of seashells on land indicate?

• The land was once a forest.

• The land was once a desert.

• The land was always dry.

• The land was once covered in water.

Tags

NGSS.MS-LS4-1

What process leads to the formation of metamorphic rocks?

• Cementation and compaction.

• Weathering and erosion.

• Cooling and crystallizing.

• Heat and pressure.

Tags

NGSS.MS-ESS2-2