Predict the effect ocean currents have on the climate of coastal areas.

• Ocean currents can warm or cool the air above them and influence the climate.

• Ocean currents have no effect on climate

• Ocean currents always cool a coastal area and create a cool climate

• Ocean currents warm the land constantly and create a warm climate

Describe the scarcity of water in some places when almost three-fourths of the Earth is covered by water.

• Most of Earth's water is frozen at the poles

• Most of Earth's water is in the atmosphere

• Most of Earth's water is salty water

• Most of Earth's water is underground

What might happen if the trend shown in the graph continues?

• Freezing weather will happen more

• The oceans will cool

• Volcanoes will erupt more frequently

• Glaciers will melt

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NGSS.MS-ESS3-5

A town is debating over which type of power plant to build. Summarize what the town council should do to make the best decision for the community.

• Find out which type of plant the mayor prefers

• Always choose the cheapest

• Look only at the short term benefits of each type of plant

• Consider the costs and benefits of each type of plant

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NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Photo chemical smog results from the interaction of _______ in the presence of _______________.

• pollutants , sunlight

• rain, sunlight

• volcanic ash, sunlight

• emissions , rain

Predict a way people can reduce the emissions that contribute to smog and the greenhouse effect.

• by never pouring chemicals down the drain

• by taking public transportation or walking instead of driving a car

• by purchasing products that contain CFC's

• by finding substitutes for garden chemicals

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NGSS.MS-ESS3-4

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

Human population growth expanded rapidly in the 1800s and continues to do so today. Many experts credit improved health care as a factor. What factor(s) help to contribute to population growth? (Select all that apply.)

• More infants died at birth

• The death rate has increased

• Fewer people died of disease

• Improved technology increases the quality of healthcare

Identify and describe the effects that human activities have on our environment and the greenhouse effect. You must include the following vocabulary terms: carbon dioxide, methane, greenhouse gases, and emissions. (Choose the BEST answer)

• Greenhouse gases are bad for the environment. They cause pollution.

• Carbon dioxide and methane are considered greenhouse gases. They are mostly caused by emissions from factories, cars, pollution and other industry.

• Carbon dioxide and methane are considered greenhouse gases. They are mostly caused by emissions from factories, cars, pollution and other industry. When these greenhouse gases get trapped in the atmosphere, they cause the atmosphere to heat, which in turn can affect the climate.

• Carbon dioxide and methane are considered greenhouse gases. They cause pollution and can affect climate change.