Water Quality ESS.8.3.1

Front

What is the primary factor that determines the health of a lake used for drinking water?

Back

The temperature and dissolved oxygen levels.

Front

True or False: The total amount of water on Earth is constantly changing.

Back

False

Front

What happens to the level of dissolved oxygen when water temperature increases?

Back

It goes down.

Front

What does high turbidity indicate about water quality?

Back

It means the water is very murky or cloudy.

Front

What is a river basin?

Back

The land drained by a river and its tributaries.

Front

Define dissolved oxygen.

Back

Oxygen that is present in water, essential for aquatic life.

Front

What is turbidity?

Back

A measure of how clear water is, affected by particles suspended in it.

Front

Why is dissolved oxygen important for aquatic ecosystems?

Back

It is necessary for the survival of fish and other aquatic organisms.

Front

What can high levels of nitrates in water indicate?

Back

Possible pollution from fertilizers or sewage.

Front

What is the effect of temperature on the solubility of oxygen in water?

Back

As temperature increases, the solubility of oxygen decreases.