Review Test in Science 5 Quarter 4

It is the breaking down of rocks into fragments.

• Weathering

• Flooding

• Run off

• Erosion

A type of weathering that involves change in the composition of rocks.

• chemical

• mechanical

• both chemical and mechanical

• none of the above

Which of the following activities of man contribute to the breaking down of rocks?

• fishing

• mining

• studying

• sky diving

How do roots of plant break down rocks?

• They heat the rocks.

• They split the rocks apart.

• They leave materials on the rocks.

• They absorbed rock particles

How does temperature breakdown rocks?

• Rocks break when it is cooled.

• Rocks break when it is heated and then cooled.

• Rocks break when it is heated.

• Rocks break when it is not exposed to water.

Water, people, animals wear away bits of rocks. What do you call this process?

• Erosion

• Weathering

• Mountain Building

• Fermenting

A _______ can be formed through weathering, erosion, and deposition.

• humus
• landform
• physical weathering
• rock

_____________ is made from the remains of living things and weathered rocks.

• humus
• landform
• canyon
• soil

_________________ makes rocks smaller and changes the rock.

• physical weathering
• chemical weathering
• mineral
• igneous rock

soil

• a mixture of weathered rocks and humus

• dirt

• when rocks break down into smaller pieces

• when rocks rub and hit against each other