Human Impact on Water

A body of water that has high turbidity is ...

• cloudy

• clear

Tags

NGSS.MS-LS2-4

Pollution causes the pH of rain water fall below 6. What is such type of rain called?

• Acid rain
• polluted rain
• low pH rain
• non-point source pollution

Bleach is a strong base, what is the pH level of bleach?

• 13
• 14
• 1
• 2

Colder water.....

• hold MORE dissolved oxygen

• holds LESS dissolved oxygen

Tags

NGSS.MS-PS1-4

Why does the amount of dissolved oxygen increase during the day?

• The sunlight allows photosynthesis to occur

• The warmer temperatures allow the water to hold more oxygen

• The fish are more active so they are respiring more

Tags

NGSS.MS-LS1-6

What can add dissolved oxygen to the water?

• Photosynthesis

• Wave and Wind Action

• Diffusion from the air above

• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What can REMOVE dissolved oxygen from the water?

• cellular respiration

• decomposition

• warming waters

• All of the above

Tags

NGSS.MS-LS2-3

Pollution that comes from MANY different places and is hard to identify its source.

• Point

• Non-Point

Tags

NGSS.MS-ESS3-3

Pollution that comes from a single source

• Point

• Non-Point

Tags

NGSS.MS-ESS3-3

Containers at a food processing plant leaking fat and animal juices

• Point

• Non-Point

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-1