Science 5 quiz

1. It is the breaking down of rocks into fragments.

• A. Erosion

• B. Flooding

• C. Run-off

• D. Weathering

A type of weathering that involves a change in the composition of the rock.

• A. Chemical

• B. Mechanical

• C. Both chemical and mechanical

• D. None of these

What do you call the process by which humans extract stones from the mountains for construction purposes?

• A. Digging

• B. Flattering

• C. Weathering

• D. Quarrying

What will happen to a rock when it is exposed to higher temperatures?

• A. Contracts

• B. Evaporates

• C. Expands

• D. Sinks

Which of the following is NOT a factor that causes chemical weathering?

• A. water

• B. open-field

• C. oxygen

• D. carbon dioxide

What factor of soil erosion is responsible for the transfer of sand from one place to another?

• a. wind

• b. water

• c. animals

• d. humans

Which of the following shows that animals cause soil erosion?

• a. Construction workers are building a housing project.

• b. A hen is digging the soil.

• c. The root of plants is growing.

• d. Sandstorm

All of these are causes of soil erosion except one.

• a. water

• b. humans

• c. sun

• d. wind

What human activity contributes to soil erosion that involves removing minerals and metals from soil and rocks?

• a. mining

• b. quarrying

• c. deforestation

• d. kaingin

What do you call the process of cutting down trees and burning them to clear land for cultivation, exposing the land to air and water, and making the soil prone to erosion?

• a. deforestation

• b. gardening

• c. kaingin

• d. bad farming