Test - LEAP 2025 Science Grade 4 Post Test

1 pt Standard: 4-PS4-1, 4-ESS2-2 DOK: 2

The largest recorded tsunami wave struck Alaska in 1958. Its height was 1720 feet tall. The waves destroyed land and vegetation. What was the likely future impact on the land after the tsunami?

Alaska had less land for the farming and foresty industry.

There was likely more future flooding due to a lack of vegetation.

There was less wildlife to eat vegetation.

The wave caused increased physical weathering on rocks, changing the landscape.

Read and study the sources about structure and processes of organisms. Then use the four sources and your knowledge of science to answer questions 6-10.

Source 1

Venus Flytraps

The Venus flytrap is an amazing plant. It developed unique external structures to capture prey. The plant mostly gets its nutrients from the gases in the air. However, the plant lures and traps insects. The "mouths" of the flytrap have soft hairs called cilia outside and inside. When a fly tickles the cilia, the leaves snap shut. Inside the leaf, digestive juices break down the soft parts of the fly. The hard parts of the fly are ejected from the leaf days later.

1 pt Standard: 4-LS1-1 DOK: 2

Marley tries to feed her Venus flytrap a dead fly. The leaves do not close over the fly. What can Marley do to make the flytrap’s leaves close?

Spray water on the flytrap leaves.

Add another fly to the leaves.

Tickle the cilia to make the leaves close.

Put the plant out in the sun.

1 pt Standard: 4-ESS3-1 DOK: 3

12.

Lauren has solar panels installed on her house to save money on energy costs. Select the correct answer on how cloudy and rainy days may affect the cost of electricity in the house.

The solar panels don't produce electricity at all.

The solar panels produce regular amount of electricity.

The solar panels still produce electricity, but at a reduced amount.

Cloudy and rainy days don't have any impact on the solar panels.

1 pt Standard: 4-PS3-2 DOK: 2

24.

The table shows the thermal conductivities of four materials commonly found around us. The higher the number, the higher the thermal conductivity of the material.

Which of these materials heats most quickly on a hot day in the Sun?

concrete.

cement.

liquid water.

soil.

1 pt Standard: 4-LS1-2 DOK: 2

36.

Bridget’s pod of whales is forced to migrate to another geographic location. There it meets up with another pod of whales. Which phrase best describes what may happen when the pods try to communicate?

They will process the songs and information from each other.

They will not have the ability to understand each other.

They will exchange songs to understand each other.

1 pt Standard: 4-LS1-1 DOK: 2

42.

Jason wants to model the predator-prey cycle. Which animals best model the cycle?

bee-honey.

flower-sun.

deer-grass.

eagle-fish.

LEAP 2025 Science Grade 4 Post Test

LEAP 2025 Science Grade 4 Post Test Sample