SCIENCE 5 PRE FINALS REVIEW

Identify if the given example causes mechanical or chemical weathering of rocks:

changes in the temperature

• Chemical

• Mechanical

Identify if the given example causes mechanical or chemical weathering of rocks:

oxygen in air combines with minerals in rocks

• Chemical

• Mechanical

Identify if the given example causes mechanical or chemical weathering of rocks:

growth of plant's roots

• Chemical

• Mechanical

During weathering, large rocks are broken down into smaller and movable pieces.

• TRUE

• FALSE

Soil erosion changes the shape of the earth's surface

• TRUE

• FALSE

When rain gets acidic, it contributes in the breaking of rocks physically.

• TRUE

• FALSE

Deforestation prevents soil erosion.

• TRUE

• FALSE

The earth’s surface can be affected by _________________.

• erosion

• weathering

• landslides

• all of the above

What happens to the soil in the field that is not covered by plants?

• The soil contains more moisture

• The soil is hard to break into smaller pieces

• The soil is eroded easily by wind and water

• The soil reduces the rate of water absorption

The activity of rocks rubbing against each other and breaking down into smaller pieces.

• abrasion

• movement

• collision

• sediments