Surface Water

Freshwater on Earth may be moving or still

• streams

• rivers

• ponds

• lakes

Tags

NGSS.MS-ESS2-4

Rivers often begin in the mountains where the runoff from melting snow forms small streams.

• True

• False

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The streams and smaller rivers that feed into a main river are called ___________.

Tributaries flow toward the main river, pulled by the force of gravity.

• upward

• downward

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS2-4

A river and all its tributaries together make up a _____ ______.

Tags

NGSS.MS-ESS2-4

Just as all the water in a bathtub flows toward the drain, all the water in a river system drains into a main river system.

• True

• False

Tags

NGSS.MS-ESS2-4

The land area that supplies water to a river system is called a _________, or can also be called a drainage basin.

Tags

NGSS.MS-ESS2-4

Streams on each side of the divide flow in different directions.

• False

• True

Tags

NGSS.MS-ESS2-4

One watershed is separated from another by a ridge of land called a ______.

Tags

NGSS.MS-ESS2-4

Ponds are bodies of freshwater.

• True

• False