When a substance (such as water or oxygen) reacts with minerals in a rock and causes the minerals in the rock to form a different kind of mineral. The properties of the new rock is permanently CHANGED from those of the parent rock.

A form of physical weathering where water seeps into the cracks of rocks, the water expands when it freezes, and the expansion causes the rock to crack and eventually break apart.

When water and oxygen cause a chemical reaction in iron to form rust (iron oxide).

When changes in temperature or release of pressure causes a rock to crack and break apart. This often happens in layers, and is often compared to an "onion skin."

The details of this statue have been worn away most likely due to ________________.

Abrasion is a type of physical/mechanical weathering. The rock in this image was most likely worn away by _____________.

As rocks tumble along with moving water, the edges end up getting smoothed and rounded. This is an example of _____________.

TRUE OR FALSE:

The four main things that cause EROSION are: GRAVITY WIND, WATER, ICE.

Which river would experience the MOST erosion?

Which statement below is TRUE?

After a piece of rock breaks away from its parent rock, it is carried away by gravity, wind, water, or ice. This transportation (and then deposition) of rock sediment is called "_____________."

Plant roots causing rock to crack and break away can be considered a type of BIOLOGICAL WEATHERING. However, this is usually included as a type of _______________.