Aquatic Ecosystems

The amount of dissolved salt in water is...

• salinity

• hardness

• temperature

• turbidity

Measures water cloudiness which increases with runoff

• salinity

• hardness

• termperature

• turbidity

the average kinetic energy of water molecules

• salinity

• hardness

• temperature

• turbidity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

the amount of oxygen per mL of water

• temperature

• dissolved oxygen

• pH

• turbidity

the amount of minerals in freshwater

• salinity

• pH

• hardness

• dissoved oxygen

the alkalinity or acidity of water

• turbidity

• pH

• hardness

• salinity

what minerals are present in freshwater that effect its hardness?

• calcium

• magnesium

• potassium

• phosphorus

Dissolved oxygen is (a)   in cold, turbulent water.

Dissolved oxygen is (a)   in warm, stagnant water.

A pH below 7 is acidic and a pH above 7 basic

• true

• false

• both

• neither