Exam 16: Weathering and Mass Movement

Chemical weathering breaks rocks down into smaller pieces without altering the chemical makeup of the rock.

When a collapse sinkhole fills with water, a __________ forms.

Scientists use temperature changes to estimate landslide risk for many areas of the world.

Broken angular piles of rock that settle at the angle of repose are called ___________.

-In the figure, box A shows what?

In __________, oxygen atoms combine with the minerals in rocks and weaken them.

Which is not a factor that weakens a slope?

Which is not one of the components of a debris avalanche?

__________ refers to the process of weathering of carbonate rocks.

The pieces of angular broken rock that accumulate at the base of a steep slope or vertical cliff are called __________.

Physical weathering often increases the rate of chemical weathering.

When carbon dioxide dissolves in water it makes a weak carbonic acid.

Physical weathering breaks rocks down into smaller pieces by altering the chemical makeup of the rock.

Rusting rocks are an example of __________.

Fungi and lichen dissolving rock is an example of biochemical weathering.

Landslides sometimes settle across rivers, damming them and creating lakes behind the dam debris.

The Chocolate Hills in the Philippines are an example of _________.

-In the photo, box A points to what?

​ -In terms of slope stability factors in Table 16.2, weathering does what?

Which is not a form of denudation?