LEAP 2025 Science Grade 8 Post Test

LEAP 2025 Science Grade 8 Post Test Sample

Standard: 8-MS-ESS2-1; 8-MS-ESS2-2; 8-MS-ESS2-3 DOK: 1 1pt
8.

Select the correct answer from each dropdown menu that best completes the explanation to the answer to Part A.

Part B.a

Thermal energy from the Earth’s core transfers to the mantle and rock in the mantle

Standard: 8-MS-LS4-3, ESS2-1, ESS2-2, ESS2-3 DOK: 1 1 pt
9.

Part A

Write the correct answer in each box describing what all organisms must do or have to be considered "living".

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undergo geological processes

made of cells

survive in hydrothermal vents

adapt over time to the environment

reproduce

grow and change

show sensitivity

maintain homeostasis

metabolize

Standard: 8-MS-LS4-3 DOK: 1 1 pt
11.

Part A

The genes for Drosophila’s abdominal segments are Abd-A and Abd-B on the cluster BX-C as seen in the image.

Select the correct answer. What would most likely happen to the fly’s abdomen if an environmental change affected the genes?

Standard: 8-MS-ESS3-1, 8-MS-ESS3-2 DOK: 1 1 pt
18.

Part A

Explain how water circulates in the Great Ocean Conveyor Belt. Include the following information:

• The factors affecting or driving this phenomenon

• Where the currents circulate or move

• How salt circulates in the oceans’ waters

• How warm and cold waters cycle through this event

Standard: 8-MS-PS1-6 DOK: 1 1pt
38.

Part B

Select the correct answer from the dropdown menu to complete the sentence.

This chemical equation represents a(n)
reaction because it gives off heat as a product.