Science 5 review quiz

It describes the breaking down or dissolving of rocks and minerals on the surface of the Earth.

• Weathering

• Land slide

• Observation

This is caused by intense changes in temperature, and biological factors like plants and humans.

Breakdown of rock due to the chemical reaction of the rock mineral to compounds in air and water present.

removal of rock in solution by acidic rainwater. Limestone is weathered by rainwater containing dissolved CO2 (Carbon dioxide).

• Hydrolysis

• Oxidation

• Carbonation

the breakdown of rock by acidic water to produce clay and soluble salts.

• Hydrolysis

• Oxidation

• Carbonation

the breakdown of rock by oxygen and water, often giving iron-rich rocks a rusty-colored weathered surface.

• Hydrolysis

• Oxidation

• Carbonation

The transportation of rock particles elsewhere is a process called....

E______

What are the effects of soil erosion?

• Flooding and siltation

• Change of landforms

• Shortage of food supply

• often giving iron-rich rocks a rusty-colored weathered surface.

• All of the above

How to prevent soil erosion?

(more than 1 answer)

• Contour farming

• Terracing

• Strip cropping

• Crop rotation

The farmer plows the hilly land according to its contours or shapes instead of plowing in an up and down direction.