Grade 11- Week One - weathering

Which of the following is NOT a cause of weathering, erosion, and deposition?

• Wind

• ice

• fire

• water

which of the definitions means weathering

• Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth.

• weathering is the process of eroding or being eroded by wind, water, or other natural agents.

• weathering is not a word

Weathering is the process of -

• Moving sediment from one place to another

• Dropping or leaving sediment in a location

• Breaking down rocks into sediment

An example of chemical weathering is -

• Ice wedging

• Oxidation

• Animals burrowing

• Crashing waves

Ice wedging is an example of -

• Physical weathering

• Chemical weathering

• Both physical AND chemical weathering

Fallen plant leaves help break down rocks as they -

• Release or leach acids as they decompose

• Get into cracks, expand, and make the cracks wider

• Scratch and wear away the surface of rocks

_________is the movement of sediment from one place to another.

• Erosion

• Weathering

• Deposition

The process that breaks down rocks and other materials on Earth's surface is called

• Weathering
• Erosion

How do plants weather rocks?

• Plants don't weather rocks.
• When roots grow into cracks of rocks and expand the rock breaks.
• When the plant moves water from the roots to the leaves, the rock breaks.

What is the wearing away or breaking down of rocks called?

• Weathering
• Erosion
• Glaciers