Aquatic Science Day 1 Test Review (Rivers,Streams, Ponds and Lak

________________ are streams that flow together to make a river.

• source

• tributaries

• mouth

• drainage basin

The place where the river pours (THROWS UP) into the ocean or large lake is called the ___________.

• source

• tributaries

• mouth

• drainage basin

"I am a smaller river joining a larger river" What am I?

• Confluence
• Tributary 
• Drainage Basin
• Watershed

Which is NOT a source of rivers?

• natural spring

• melted ice and snow

• rain water

• volcano

What is a river?

• water that flows all the time in basin

• a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river.

• a continuous body of salt water that covers more than 70 percent of the Earth's surface.

• Falling water from mountains

Rivers are polluted by the following things.

• Oxygen and carbon dioxide

• chemical waste from factories.

• Untreated sewage from homes, schools and factories.

 Deposition is a process that

• Dissolves sediment
• Breaks down rock to form sediment
• Removes sediment from land forms
• Drops sediment to form landforms

What is the land next to the river called and how would you describe it?

• Floodplain, steep land next to the river.

• Floodplain, flat land next to the river.

• Floodplain, flat land away from the river.

• Floodplain, flat land on top of the river.

The point where a smaller river joins a larger river is called a ...

• Tributary

• Congruence

• Confluence

• Convergence

Identify the river outlined in red.

• Rio Grande

• Mississippi River

• Amazon River

• The Amazon River