Sand settles on the beach after waves dropped it there. This is an example of...

Water mixed with carbon forming carbonic acid that eats away at marble and limestone.

Small islands made of sediment called deltas form at the end of rivers

A plant takes root in a small crevice of rock, as the plant grows, its roots push on the edges of the rock, breaking it

Sand dunes are large piles of sand that can be found in the desert. What causes these sand dunes to form?

The wind picks up all the smaller particles leaving behind only bigger rocks.

Statue of Liberty has changed colors over time because oxygen has caused the surface of the copper it is made of to change into a new chemical (just like copper pennies turn green). What kind of weathering is this?

Canyons are formed by

How does freezing water cause the weathering of rocks? The freezing water

The image above depicts the effects of chemical weathering breaking down limestone. Which type of chemical weathering causes this reaction?

Which type of sediment does wind erosion most strongly affect?

The tallest sand dunes in North America are found in Great Sand Dunes National Park and Preserve in Colorado. These dunes were formed from the sand at the bottom of a dry lake bed. Which of the following agents is most likely responsible for the formation of the sand dunes?

The process by which rocks are broken down

The process in which wind, water, ice or gravity transport rock fragments from one location to another

The process in which sediment settles out (drops to the bottom) of the water or wind that is carrying it

The MECHANICAL breaking down of rocks into smaller pieces is...

Rain washing away soil from a hillside is an example of...

Water getting into cracks, freezing, and breaking rocks or pavement apart is an example of...

Over long periods of time, deposition may change the Earth's surface by...

What causes the greatest amount of erosion on beaches?

How do plants weather rocks?

The Grand Canyon was caused by _____________________ erosion from the Colorado River.

A steep incline results in (more/less) _____________ erosion.

Glaciers scraping rocks against the earth's surface.

Wind blowing sand from one place to another.

Acid rain dissolving underground limestone.

Sand dunes forming at the desert.

Gravity causing a landslide to take everything in its path.

Water entering the cracks of rocks, freezing then thawing.

Layers of sediment forming at the bottom of the ocean.

Deltas developing at the mouth of a river.

Rainwater carrying away dirt from a hill.

Wind blasting sand at rock and carving out arches.

Rock hits another rock as it is carried downstream causing both rocks to break

Which process broke this hole in the arch?

Which process caused this delta to be left at the end of the river?

An avalanche is sliding down the mountain.

 Which process caused the rock to split ?

Which of these is chemical weathering?

A landslide would be an example of which erosion agent acting?

Which erosional agent most likely caused this landform?

Potholes are an example of weathering and erosion.

Water gradually wearing down and smoothing rocks over a long period of time is an example of...

When iron in rocks reacts with oxygen, it turns to rust (turns red), which weakens rocks and causes them to break apart. This is an example of...

Acid rain slowly wearing away rock over time is an example of...

Lichen secretes an acid that breaks down rock. What type of weathering?

The breaking off of the curved sheets or slabs from a rock's surface due to drastic changing temperatures.

Which material would be most responsible for the chemical weathering of a rock?

Since water and air are often needed for chemical weathering to occur, if more surface of a rock is exposed to them the rate of weathering should __________.

This type of physical weathering breaks down rock by hitting into each other

This type of physical weathering occurs when plants break apart rock

This type of physical weathering occurs when water seeps into cracks and freezes

Chemical weathering occurs most where it is...

Rocks starting to rust because of their iron content is...

Which rock layer is MOST resistant to weathering ?