LEAP 2025 Science Grade 4 Chapter 2

### LEAP 2025 Science Grade 4 Chapter 2 Sample

Use the figure to answer question 1 part A and B

1 pt
1.

A paleontologist discovered the fossils above in rock layers near the Colorado River

PART A

Which of the fossils indicated in the diagram is the youngest?

1 pt
.

A paleontologist discovered the fossils above in rock layers near the Colorado River

PART B

Which statement accurately describes the longevity of the organisms shown in the fossil layers?

1 pt
3.

Mt. Vesuvius erupted in A.D. 79 over the city of Pompeii. Volcanic ash and other material buried the city in layers, depositing ash. The bodies of Pompeii were preserved. Based on the image below, what type of fossil formed?

1 pt
8.

The map above shows changes in the Mississippi River's course. Based on the map, how would a change in he river's course affect the fossils found? In your response, be sure to explain

 ● What types of fossils might be found
● Types of soil layering
● What information does it give about the river and its lifeforms?

As you write, be sure to:

 ● Address all parts of the prompt
● Use evidence from the information provided and your own knowledge of science to support your response