Science Warm Up 9/11 (Group A)

The amount of oxygen in the water, measured in parts per million (ppm)

• pH
• Dissolved Oxygen
• nitrates
• eutrophication

Tags

NGSS.MS-LS2-1

We used bioindicators to measure the quality of water.  What is a bioindicator?

• any living creature
• eutrophication
• An organism sensitive to its environment
• a turbidity tube

What is the healthiest combination listed?

• low pH, high nitrates, neutral temperature
• low temperature, neutral pH and low nitrates
• as many nitrates as possible, low temp and low pH
• high temp, high nitrates and high pH

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-5

What is the end result of eutrophication?

• More algae
• decreased oxygen and fish kills
• less turbidity
• a new pond

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which best describes the relationship between temperature and dissolved oxygen in a lake?

• As temperature increases, dissolved oxygen increases

• As temperature increases, dissolved oxygen decreases

• As temperature decreases, dissolved oxygen decreases

• A change in temperature has no effect on dissolved oxygen

Tags

NGSS.MS-LS1-5