Earth & Space Science Review

canyons and u-shaped valleys

sand dunes and rock arches

beaches and deltas

deltas and u-shaped valleys

Sand is dropped off in a sand dune.

A river breaks sediment off a rock.

A glacier moves sediment.

A boulder breaks down into smaller pieces.

drops of water

tiny pieces of rock

large pieces of ice

remains of dead plants

Renewable resources are natural. Nonrenewable resources are homemade.

Renewable resources are limited. Nonrenewable resources are unlimited.

Renewable resources can be replaced in a relatively short amount of time. Nonrenewable resources are used faster than they are replaced.

Renewable resources include fossil fuels. Nonrenewable resources do not.

wooden door

cotton pants

plastic hanger

wool sweater

wooden door

cotton pants

plastic hangers

wool sweater

condensation

evaporation

freezing

melting

Allegheny River

Codorus Creek

Delaware River

Prompton Lake

A body of saltwater on Earth's surface that is frozen.

A body of freshwater that moves from high to low elevations

A body of saltwater that covers a large part of Earth's surface.

A body of freshwater that is underground and used for drinking.

heat from the sun causes water to evaporate.

Light from the sun leads to accumulation of water.

The sun changes liquid water into water vapor during condensation.

Runoff changes the amount of thermal energy available from the sun.