8.E.1.1 to 8.E.1.4

In which oceanic zone do clams and crabs survive by burrowing in the sand?

• Oceanic

• Intertidal

• Deep Ocean

• Open Ocean

How is the amount of oxygen in ocean water affected by temperature?

• The amount of oxygen in ocean water increases as temperature increases.

• The amount of oxygen in ocean water increases as temperature decreases.

• The amount of oxygen in ocean water decreases as temperature decreases.

• The amount of oxygen in ocean water is kept constant as temperature decreases.

Which factors can have the greatest effect on the health of a river system?

• type of soil and salinity

• nitrate levels and turbidity

• human consumption and pH

• natural disasters and tidal changes

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If a body of water has high turbidity levels, what can most likely be concluded?

• It has a low pH.

• It is unsafe to drink.

• It is too hot to drink.

• It contains a lot of chemicals.

Which best determines the health of a lake used as a source of freshwater?

• its depth and width

• its temperature and pH

• its location and depth

• its temperature and depth

What step in the water treatment process involves the removal of sediment?

• aeration

• desalination

• disinfection

• filtration

Which best explains a way of protecting water for human consumption?

• Ban the use of lakes and rivers for recreation.

• Allow dumping of some waste into lakes and rivers.

• Reduce the use on lakes and rivers for irrigation of crops.

• Improve water quality standards for industries located on lakes and rivers.

Tags

NGSS.MS-ESS3-3

The graph shows the distribution of the freshwater resources of Earth. Which of these sources of fresh water corresponds to Source 1?

• atmospheric water

• surface water

• frozen water

• groundwater

Tags

NGSS.MS-ESS2-4

During a portion of the water cycle, water falls to Earth’s surface as precipitation. Some of this water runs off into channels and keeps moving until it ends up in the ocean.

Which BEST describes the water in the channels?

• lake

• river

• aquifer

• wetland

Tags

NGSS.MS-ESS2-4

The figure above shows how water is distributed on Earth. Which of the following contains the largest percentage of Earth’s fresh water?

• lakes

• groundwater

• glaciers and ice caps

• ground ice and permafrost

Tags

NGSS.MS-ESS2-4