Weathering/ Erosion /Deposition Core 1

Which of the following is an example of chemical weathering?

• rust

• sand blasting

• ice wedging

• all of the above

How does ice wedging occur?

• Water goes into cracks and freezes and expands

• roots going inside a rock and breaks it

• wind blowing sand into rocks

• acid rain

How are toadstool rock formations formed?

• acid rain

• river carving

• waves crashing

• sand blasting

How do sand dunes form?

• acid rain

• waves

• sand blasting

• wind

Which is not an agent of mechanical weathering ?

• wind

• water

• salad

• gravity

What is needed for rust?

• oxygen

• rubber

• wind

• plants

What is erosion?

• the laying down of materials

• breaking down of rocks

• forming rust

• moving of materials

How are sandy beaches made?

• waves continually hitting rocks

• wind blowing sand from beach to beach

• tornadoes blowing sand

• sand falls from space

What is deposition?

• Breaking of rocks

• water

• acid rain

• laying down of sediment

Which one of these is not an example of mechanical weathering?

• Ice wedging

• wind blowing the sand

• rain

• acid rain