Basic Parts of the River System

The place where a stream or river starts is called...

• Delta

• Source

• Tributary

• Mouth

A stream or river ends at its?

• Headwaters

• Delta

• Mouth

• Estuary

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

An elevated ridge that helps protect areas from flooding by the river.

• Confluence

• Levee

• Delta

• Waterfall

When sediment from a river builds up over time it forms a?

• Tributary

• Floodplain

• Estuary

• Delta

Tags

NGSS.MS-ESS2-2

When the mouth of a stream or river flows into the ocean, this meeting point is called the?

This is where fresh and salt water meets.

• Tributary

• Confluence

• Estuary

• Meander

Small streams often flow into bigger streams or rivers. The small streams are called?

• Confluences

• Tributaries

• Meanders

• Deltas

The curves of a river/stream are called?

• Curving Point

• Meanders

• Basins

• Tributaries

Tags

NGSS.MS-ESS2-4

Land where a stream or river overflows at certain points in the year...

• Drylands

• Deltas

• Floodplains

• River Basin

Tags

NGSS.MS-ESS2-4

All of the land drained by a river system is called its?

• Watershed

• Source

• Delta

• Sediment

Tags

NGSS.MS-ESS2-4

The meeting point of tributaries

• Delta

• Confluence

• Source

• Floodplain