Weathering

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

Bobby observed that a metal trash can was covered with rust.  What type of weathering caused the rust on the trash can?

• Mechanical weathering 
• Wind weathering
• Chemical weathering
• Erosion weathering

_________is the movement of sediment from one place to another.

• Erosion

• Weathering

• Deposition

Weathering, Erosion, and Deposition are examples of ________ changes in the Earth's surface.

• Fast

• Very fast

• Super fast

• slow

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

• Wind

• ice

• fire

• water

What is sediment?

• bits of rock, sand, and silt caused by the weathering of rocks

• decaying plant or animal material

• the process of rocks being broken down and carried away

• the top layer of the soil