In which kind of environment does chemical weathering is most likely to happen?

• cold

• dry

• wet

• hot

How does weathering causes freezing of rocks?

• It will place the rock on its final place.

• It will strengthen the rocks formation.

• It will bring flood.

• It will weaken and breaks the rock.

George bought 100 pieces of hollow blocks and filed it outside their house suddenly a heavy rain came, and flood overflowed their place. What do you think happens to the hollow blocks?

• The hollow blocks still filed perfectly.

• The hollow blocks disappeared.

• The hollow blocks were melted.

• The hollow blocks were washout and broken into pieces.

What do you call the process when water getting into cracks, freezing, and breaking the rocks or pavement apart?

• flood

• erosion

• deposition

• weathering

Roots grow into cracks of rocks and break them apart. What type of process happens?

• Biological weathering

• erosion

• weather

• deposition

In weathering, rock turns into a new form called ______.

• molds

• soil

• ice cubes

• hollow blocks

Which process breaks rocks continuously into pieces?

• fermenting

• weathering

• erosion

• mining

Trees put down roots through cracks in the rock in order to find moisture. As the tree grows, the roots gradually press the rock apart and turns into small particles. What type of weathering process happens?

• Biological weathering

• Chemical weathering

• Erosion weathering

• Physical weathering

When water in a river or stream moves quickly, it can lift up rocks from the bottom of that body of water. When the rocks drop back down they bump into other rocks, and tiny pieces of rocks can break apart. What type of weathering process happens?

• Biological weathering

• Chemical weathering

• Erosion weathering

• Physical weathering

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

• fishing

• mining

• studying

• sky diving