Science 5 Review

The breaking down of rocks and other materials on the Earth's surface is known as _____.

• Erosion

• Decomposition

• Deposition

• Weathering

What is the process that picks up and transport weathered rocks?

• Erosion

• Deposition

• Landslide

• Weathering

Which of the following agents of "weathering" seeps in through cracks on
fissures in the rocks?

• Animals

• Temperature

• Water

• Wind

What types of changes occur during the weathering process?

• Chemical change

• Physical change

• Chemical change and Physical change

• None of the above

What process happens when rocks break down due to reaction with water,
carbon dioxide, oxygen and organic acids?

• Biological Weathering

• Chemical Weathering

• Electrical Weathering

• Mechanical Weathering

Which of the following tends to cause physical or mechanical weathering?

• Animal that burrows in the ground .

• Root of plants growing into the cracks in the rocks

• Water that seeps into the pores and cracks of rocks

• All of these

Which of the following occurs when acidic water caused the rocks to break
producing clay and soluble salts?

• Carbonation

• Erosion

• Hydrolysis

• Oxidation

The following human activities are causes of physical weathering, EXCEPT:

• Mining ores

• Quarrying rocks

• Boating and fishing

• Building roads and tunnels

How does temperature weather rocks?

• Rocks are at different temperature.

• Rocks are heated greatly all the time.

• Rocks are cooled tremendously all the time.

• Rocks are heated and cooled continuously.

Plant serves as agents of weathering. Which of the following statements
support this idea?

• Falling of leaves causes rocks to break.

• Decaying trunks of plants cause the rocks to break.

• Roots of plants that grow in rocks cause them to break.

• Branches of plants cause the rocks to break when blown by the winds.