Earth Systems

7.8A Which of the following are likely to do the most damage to ecosystems along

the Rio Grande River?

• floods

  
  

• tsunamis

• blizzards

• earthquakes

Tags

NGSS.MS-ESS3-2

Students performed an investigation on how aluminum cans taken to a recycle

center were able to be reused. They found out an aluminum can undergoes which type

of change?

• a physical change because the can is heated

• a chemical change because new metal is formed

• a physical change because the material remains the same

• a chemical change because an old can is changed into a new can

Tags

NGSS.MS-PS1-2

Impaired waters are waters that do not meet water quality standards. The

Smith Creek Watershed is on the list of impaired waters within North Carolina. To help

clean up the watershed, local residents have volunteered to collect water quality data

through the Adopt-a-Stream program. Officials use this data to investigate and

eliminate sources of pollution.

Some of the sampling stations in the watershed are shown below. Next to each listing

is the highest turbidity reading found at each station. (Turbidity is measured in

Nephelometric Turbidity Units, NTU.)

Near which of these stations should inspectors first perform an investigation for a

possible pollution source?

• Station 6

• Station 7

• Station 10

• Station 11

Tags

NGSS.MS-LS2-4

Which of these is the best example of physical weathering?

• insects eating a dead tree

• a bulldozer pushing soil

• ice fracturing a stone

• acid rain dissolving limestone

A student kept a notebook during an investigation. Which recorded observation

was most likely a physical change?

• The solution was heated for two minutes until it boiled.

• A solid formed when two liquids were mixed together.

• Two solutions were mixed and the resulting solution felt hot.

• The color of two mixed solutions changed from clear to white.

Which of the following natural disasters is most likely to result in a narrow path

of destruction through a forest?

• a flood

• a hurricane

• an earthquake

• a tornado

The diagram below shows a cross section of land. Numbers show four zones in this diagram.

Which set of labels below accurately identifies the zones that are shown?

• 1—groundwater zone; 2—unsaturated zone; 3—water table; 4—surface water

• 1—unsaturated zone; 2—surface water; 3—groundwater zone; 4—water table

• 1—water table; 2—surface water; 3—groundwater zone; 4—unsaturated zone

• 1—unsaturated zone; 2—groundwater zone; 3—water table; 4—surface water

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

A certain species of endangered parrots lives on an island that can be seriously affected by large floods. Which of these is considered a negative impact to the parrot population from flooding?

• a decrease in the availability of food

• a decrease in populations of predators

• an increase in suitable nesting locations

• an increase in places to hide from danger

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Use the picture to answer the question that follows.

Why did the mountain stream deposit so much eroded soil in the area marked X?

• The speed of the water increased there.

• The speed of the water decreased there.

• The water got colder there.

• The water got warmer there.

Tags

NGSS.MS-ESS2-2

Which statement describes most groundwater?

• Groundwater is found in underground lakes, rivers, and streams.

• Groundwater is found in the spaces between rocks, gravel, and sand.

• Groundwater is isolated from surface water and moves in its own cycle.

• Groundwater is sequestered below the surface for years or decades at a time.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1