Science 5 Quarterly Examination

Front

What is weathering?

Back

breaking down of rocks

Front

Why is rainfall listed as one of the agents in weathering?

Back

Rainfall can wash out the particles of rocks.

Front

Which is NOT an animal action that can cause weathering? ants making several anthills, movement of earthworm, running tigers along rocks, eagles soaring in the sky

Back

running tigers along rocks

Front

How does water contribute to soil erosion?

Back

Heavy rain can carry waste materials to other areas.

Front

Why do farmers use some strategies that can prevent soil erosion?

Back

Soil erosion removes some nutrients in the topsoil.

Front

Which soil erosion is caused by the movement of an invertebrate animal?

Back

Earthworm digs and carries small soil particles to other areas.

Front

Why do you think farming causes soil erosion?

Back

Plowing and land cultivation loosen the soil causing soil erosion.

Front

What will happen to the rocks when the temperature is high?

Back

They will expand until they break.

Front

How do plants cause biological weathering?

Back

Their roots grow inside the rocks that will cause weathering.

Front

Which of the following situations shows abrasion? A man tries to break the huge rock in his backyard. A man sprayed a mixture of water and acid on rock. A man tries to start a fire by rubbing two small rocks. A man hammers the rock to find the gems inside it.

Back

A man tries to start a fire by rubbing two small rocks.