Water review

What is dissolved oxygen?

• the amount of oxygen on land

• the amount of oxygen dissolved in water

What can decrease the amount of oxygen in the water?

• Hotter water

• Increased plant growth

• Colder water

Is too much nitrogen good or bad?

• Good

• Bad

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-4

What is turbidity?

• the amount of dirt in the water.

• the salt in the water

• the nitrogen in the water

Higher turbidity has more or less dirt in the water.

• more

• less

Tags

NGSS.MS-LS2-1

pH is the measure of...

• the acidity of a solution

• amount of salt in the water

• amount of dirt of water

A pH between 0-6 is considered...

• basic

• acidic

an important element for fish and other aquatic animals to live

• dissolved oxygen
• substrate
• brackish water
• algae

Tags

NGSS.MS-LS2-4

Which of the following are indicators of healthy water systems?

• high nitrates, high pH, and low temperatures
• low temperatures, high dissolved oxygen, and neutral pH

Tags

NGSS.HS-ESS2-5

What is the possible effect of high nitrate level in water systems?

• algal bloom
• fewer algae

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5