science

Which is an example of mechanical weathering?

• hydration

• ice wedging

• carbonation

• oxidation

Which of the following would be the most likely pH measurement for acid rain?

• 7

• 9

• 11

• 4

The breaking apart of rock by physical means is _________.

• mechanical weathering

• erosion

• lifithication

• chemical weathering

Fine sand carried by strong winds can weather rock surfaces in the process of _____________.

• hydration

• abrasion

• oxidation

• solution

Water can break apart rock because when water freezes it ______.

• dissolves rock

• expands

• contracts

• evaporates

The breaking of rock into pieces by physical means is called:

• erosion

• sedimentary

• chemical weathering

• mechanical weathering

Which of the following is an example of mechanical weathering?

• rusting of iron minerals in a rock

• softening of rock minerals as they combine with water

• dissolving of rock by acids produced by plants

• burrowing animals breaking apart rocks

Landforms can be shaped by different types of weathering. Which of the following occurred because of chemical weathering?

• The rocks found near a river are rounded.

• Small cracks in a rock get larger during winter.

• Underground rock slowly dissolves, forming a cave.

• A large section of rock is formed into an arch.

As plant roots grow, they can split rock apart. This is a type of ________.

• erosion

• deposition

• chemical weathering

• mechanical weathering

Which of the following is NOT an example of mechanical weathering?

• rocks broken apart by plant roots

• dissolving of limestone rock by ground water

• abrasion caused by wind blowing sand against rocks

• rocks being broken apart by freezing water