science final review grade 5 the last exam

Joshua spends the day at the beach with his family. He finds some smooth stones in the sand. What process causes such stones to become smooth?

• deposition

• erosion

• grooving

• weathering

The water in a fast-moving river causes rocks to bump and scrape against one another. What will happen to these rocks over time?

• A. They will get larger.

• B. They will get smaller.

• C. They will get sharper.

• D. They will get heavier.

There is a relationship between landforms and the movement of water. Given this relationship, which landform is the result of weathering?

• A. a canyon

• B. a desert

• C. a forest

• D. a mountain

Wind, water, and ice are involved in both weathering and erosion. However, weathering and erosion are two different processes. Which sentence states a difference between weathering and erosion?

• A. Erosion moves rocks without breaking them down.

• B. Weathering and erosion move rocks to new locations.

• C. Erosion breaks down rocks but doesn’t move them.

Wind, like water, can cause erosion. Which of the following choices is an example of wind erosion?

• A. alluvial fan

• B. moraine

• C. sand dunes

• D. tides

The movement of water can cause erosion. Which of the following choices is a result of water erosion?

• A. barrier islands

• B. canyons

• C. small rocks

• D. smooth stones

There is a relationship between landforms and the movement of water. Given this relationship, which landform is the result of deposition?

• A. a canyon

• B. a desert

• C. a forest

• D. a mountain

. A beaker of water is placed on a hot plate. The picture on the left shows the beaker when bubbles first start forming in the water. The picture on the right shows the beaker 5 minutes later.

What happened during the 5 minutes?

• A. Water was changed into energy during a chemical change.

• B. Water was changed into a different state during a physical change

• C. Water was changed into a different material during a physical change

• D. Water was changed into a different material during a chemical change.

The table lists some examples of some chemical changes and physical changes.

Which example is in the wrong column?

• A. sharpening a pencil

• B. baking a loaf of bread

• C. pouring milk into a glass

• D. crumpling aluminum foil into a ball

____10. Which of the following represents a physical change?

• A

• B

• C

• D