Review Grade 5 Science 4th Quarter

What is weathering?

• The breaking down of rocks into smaller pieces

• The movement of rocks from one place to another

• The shaking of the ground during an earthquake

• The heating of rocks by the Sun

Which of the following is an example of chemical weathering?

• A rock breaking due to water freezing in its cracks

• A rock rolling down a hill and breaking into smaller pieces

• A rock changing color due to acid rain

• A rock being carried away by a river

What is the main cause of erosion?

• Plants growing in the soil

• Wind, water, and ice moving rock and soil

• The formation of mountains

• The Sun heating the Earth's surface

How does running water cause erosion?

• By carrying away soil and small rocks

• By making plants grow faster

• By adding more soil to the land

• By stopping rocks from breaking

Which human activity increases erosion?

• Planting more trees

• Building houses near rivers

• Protecting beaches with rocks

• Reducing pollution

Which of the following can slow down erosion?

• cutting down trees

• planting grasses and trees

• letting wind blow freely over the land

• building roads on hills without any protection

When rocks break due to changes in temperature, this is an example of:

• Chemical weathering

• Physical weathering

• Erosion

• Deposition

The Grand Canyon was formed mainly by:

• Earthquakes

• Floods

• Wind and water erosion

• Volcanic eruptions

What is weather?

• The average temperature of a place over many years

• The condition of the atmosphere at a specific time and place

• The study of the stars and planets

• The breaking down of rocks

Which of the following describes a sunny day?

• The sky is full of dark clouds, and it is raining

• There are no clouds, and the sun is shining brightly

• The wind is strong, and leaves are blowing everywhere

• There is a lot of fog, and it is hard to see