Crash Course the Basics of Freshwater

• River

• Stream

• Lake

• Pond

Tags

NGSS.MS-ESS2-4

• River

• Lake

• Stream

• Pond

Tags

NGSS.MS-ESS2-4

• River

• Stream

• Lake

• Pond

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

• River

• Lake

• Stream

• Pond

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Which biotic factor is NOT important for freshwater ecosystems?

• Salinity

• Soil quality

• Dissolved oxygen

• Temperature

What statement is correct about streams?

• They are high in nutrients.

• They have a high level of dissolved oxygen.

• They have a high salinity.

• They appear muddy in colour.

What freshwater ecosystem have dams added for electricity generation?

• Stream

• River

• Pond

• Lake

Tags

NGSS.MS-LS2-4

What statement is true about ponds?

• Sunlight cannot reach the bottom of ponds.

• Ponds are bigger than lakes.

• Ponds contain freshwater that is not flowing downhill.

• Water in ponds is deep & cold.

What animals can be commonly found in freshwater ecosystems?

• Whales

• Seahorses

• Catfish

• Sea trout

Which image represents a freshwater food chain?

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Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3