Rivers and Streams; Glaciers, page 137

Rivers and streams form when water runs _______.

• uphill

• downhill

Small streams join together to form _______.

• rivers

• oceans

Most _______ flow into lakes or into the ocean.

• ponds

• rivers

Most rivers and streams are _______ water.

• fresh

• salt

Glaciers form in very _______ places.

• hot

• cold

A glacier is a large body of moving _______.

• ice

• land

Glaciers move very _______.

• slowly

• quickly

Most of Earth's _______ water is frozen into glaciers.

• fresh

• salt

People _______ the frozen water.

• can drink

• cannot drink

Which is a river?

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