"Pretest" LEAP 2025 Science (Blue Book)

PRETEST (p. 3)

The map above shows changes to Louisiana's coastline over a period of 150 years. Much of the coastline eroded during the time period. Louisisana loses one football field length of coast each day because of human activity and natural processes such as hurricanes and river changes.

Global warming causes glaciers to melt faster.

What is most likely the outcome of this event?

• there will be more freshwater spilling into oceans

• there will be more coastal erosion

• there will be more freshwater lakes formed

• freshwater becomes saltwater

Tags

NGSS.MS-ESS2-2

PRETEST (p. 3)

The map above shows changes to Louisiana's coastline over a period of 150 years. Much of the coastline eroded during the time period. Louisisana loses one football field length of coast each day because of human activity and natural processes such as hurricanes and river changes.

Global warming causes glaciers to melt faster.

What is another likely the outcome of this event?

• there will be more freshwater spilling into oceans

• the supply of freshwater goes down.

• there will be more freshwater lakes formed

• freshwater becomes saltwater

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-4

PRETEST (p. 3)

Jana explores a cave with her family and finds some rose quartz. The quartz was most likely formed by which process?

• crystallization

• weathering

• erosion

• melting ice

PRETEST (p. 3)

An area near a beaver dam experiences soil erosion. Why does the soil erosion happen?

• Beaver dams actually prevents erosion.

• The loss of plant roots causes stability in the soil and no erosion occurs.

• Beaver dams are fictional and do not exist.

• The loss of plant roots cause instability in the soil (leading to more erosion).

Tags

NGSS.MS-LS2-3

PRETEST (p. 4)

Ben takes a look at the map. He hears the city is about to build more levees to prevent flooding.

Which statement describes how the levees and coastal erosion are connected?

• Coastal erosion causes beaches to disappear which leads to more levees.

• Levees add to the problem of coastal erosion as they loosen the soil when they are built.

• Hurricanes cause levees to fail and lead to coastal erosion.

• There are not enough levees to prevent coastal erosion.

Tags

NGSS.MS-ESS2-2

PRETEST (p. 4)

A slow moving glacier carves out the rock and soil around it. What could happen because of the glacier?

• Flooding could happen in the areas around the glacier.

• The sea level will rise around the glacier.

• The glacier carves out a freshwater river.

• The glacier reveals hidden fossils in the area.

Tags

NGSS.MS-ESS2-2

PRETEST (p. 4, 5)

Sue is the largest and most intact T-rex skeleton on Earth. Paleontologist Sue Henderickson discovered the dinosaur in South Dakota. The dinosaur bones were covered by mud and water shortly after its death. This prevented the bones from being carried off by other creatures. The bones were also found in layer of soil.

Sue the Dinosaur's skeleton was found in perfect condition. Why do you think the bones remained in good condition over millions of years?

• because no one was around the area

• because the conditions were perfect for fossil formation

• dinosaur fossils are always perfect

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS1-4

A paleontologist in the future discovers an imprint of a jellyfish preserved in stone near the shore. Which statement best explains the type of fossil found?

• The lack of bones made it impossible to preserve the jellyfish.

• The soft tissue left a cavity in the stone.

• The jellyfish is a short-lived species, making it an index fossil.

Tags

NGSS.MS-LS4-1

A paleontologist in the future discovers an imprint of a jellyfish preserved in stone near the shore. Which statement is another example which explains the type of fossil found?

• The lack of bones made it impossible to preserve the jellyfish.

• The decayed soft tissue was pressed in the stone, making the imprint.

• The jellyfish is a short-lived species, making it an index fossil.

Tags

NGSS.MS-LS4-1

A paleontologist in the future discovers an imprint of a jellyfish preserved in stone near the shore. Which statement is another example which explains the type of fossil found?

• The lack of bones made it impossible to preserve the jellyfish.

• The lack of shell made it difficult to make a better fossil.

• The jellyfish is a short-lived species, making it an index fossil.

Tags

NGSS.MS-LS4-1