HMH Module

Which of the following could occur as the result of runoff of high nitrogen fertilizers from farmlands near a lake?

• an increase in algae growth resulting in low oxygen levels in the lake

• a decrease in mineral storage reducing carbon levels of the lake

• a decrease in pollution resulting in lower ozone levels in the lake area 

• an increase in deforestation reducing animal populations in the lake area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What would most likely happen to the entire ocean food web if plankton were not available?

• All organisms that live in the ocean would not survive.

• The organisms would adapt and find another source of food. 

• Only whales and other large ocean mammals would be affected.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which would most likely result in an unhealthy aquatic habitat?

• a decrease in turbidity

• a decrease in nitrates levels

• an increase in water temperature

• an increase in dissolved oxygen levels

Tags

NGSS.MS-LS2-3

Why do large numbers of ocean life-forms live near areas of upwelling?

• Upwelling brings nutrients to the surface.

• Upwelling brings warm water to the surface

• Upwelling helps push small fish up toward the surface

• Upwelling keeps large predator fish away from the surface

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

List the steps of the scientific method

d

e

f

c

b

a

Ask a question

Conduct experiment

Communicate results

Analyze results

Draw conclusions

Form a hypothesis

Tags

NGSS.MS-LS2-4

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-1

Of the 74% of Earth’s surface that is covered in water, which contains the most water? 

• lakes 

• rivers 

• oceans 

• streams 

How does the use of a pH meter help monitor the hydrosphere? 

• by indicating whether the water is too acidic or basic

• by indicating if there is too much sediment in the water 

• by indicating whether microorganisms are living in the water

• by indicating if there is enough dissolved oxygen in the water

Tags

NGSS.MS-PS1-2

Which best describes the water in an estuary?

• brackish 

• frozen 

• fresh 

• salt 

Which would result if annual rainfall amounts were reduced by 50%? 

• a flood

• a surplus 

• a drought 

• a monsoon

Tags

NGSS.MS-ESS3-2