Quarter 4 HOW ROCKS TURN INTO SOIL

Choose the correct answer. Tap your answer below.

1. 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 split the rocks apart.

• They heat the rocks.

• They leave materials on the rocks.

• They absorbed rock particles

1. How does temperature breakdown rocks?

• Rocks break when it is cooled.

• Rocks break when it is heated.

• Rocks break when it is heated and then cooled.

• Rocks break when it is not exposed to water.

Some animals like rabbits and moles dig up soil for shelter or to find food. How does this activity contribute to the breaking down of rocks?

• The food that these animals bring underground causes the breaking of rocks.

• The digging or burrowing of animals breaks the rocks into small pieces.

• Small rocks that be exposed to sunlight.

• Animals will enjoy staying in the dug holes and cause the rising of temperature inside

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

• erosion

• weathering

• mountain building

• fermenting