Changes in the Earth

Eathyn 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?

• erosion

• sediment

• weathering

• deposition

Which event will most likely occur where two plates move in different directions and slide against each other?

• an earthquake

• a flood

• a fault

• a volcano

Notice the ice splitting the rock. To which process does the ice contribute?

• erosion

• weathering

• polishing

• deposition

Which label do scientists use when they refer to the four parts of Earth shown in the image?

• faults

• rings

• plates

• layers

Which event will most likely occur where two plates move in different directions and slide against each other?

• an earthquake

• a flood

• a fault

• a volcano

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

• a forest

• a canyon

• a mountain

• a desert

Which sentence states a difference between weathering and erosion?

• Weathering and erosion move rocks to new locations.

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

• Weathering moves rocks without breaking them down.

• Erosion moves rocks without breaking them down.

Which of the following descriptions is an example of such a deposition?

• sunshine after a storm

• a breeze after a hurricane

• sand in a river delta

• space in a sinkhole

Many rocks contain gaps or cracks. In the diagram below, notice the relationship between the rock and the plant. Which statement describes what will happen to the rock and the plant over time?

• The rock will crush the plant.

• The plant will be buried in the rock.

• The rock will stop the plant from growing bigger.

• The plant will grow, and the crack will get bigger.

If Cindy wants to stop the process of erosion, what can she or she do?

• install a chain-link fence

• fill the hole with dirt

• plant grass

• install a sprinkler