Freshwater

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Tags

NGSS.MS-ESS2-4

Approximately what percentage of the water on Earth is freshwater?

• 0.1%
• 3%
• 50%
• 97%

Tags

NGSS.MS-ESS2-4

A stream that runs into a river is known as a

• Porosity
• Tributary
• Stream Run
• Runoff

The land area that supplies water to a river system is called a

• water table
• trailer
• house
• watershed

Tags

NGSS.MS-ESS2-4

Ponds are _______ and ________ than lakes?

• smaller and shallower
• fatter and larger
• wider and larger
• longer and wider

What is turbidity a measure of?

• Photosynthesis in water.
• Change in biological activity.
• Cloudiness of water.
  
• Solubility of atmospheric gases in water.

Freshwater biome ecosystems vary by all of the following except

• amount of light

• temperature

• pressure

• salt concentration

Lakes are divided into zones. These zones are based on

• the size of the lake

• the availability of sunlight

• the pressure of the lake

• the vegetation that lives there

This zone is found at the bottom of a lake

• Littoral

• Limnetic

• Profundal

• Benthic

What causes tributaries to flow downward toward a main river?

• friction

• surface tension

• gravity

• silt and sand

Tags

NGSS.MS-ESS2-4