Unit 6 Test - Fall 2024 50 Qsts

A major limitation of using photovoltaic cells to generate electricity is that they

• do not produce as much CO₂ as other energy sources do

• do not produce as much electricity on cloudy days

• have no moving parts

• present a danger to birds and bats

• cannot be connected to the electrical grid

Tags

NGSS.HS-ETS1-3

An industry uses natural gas for manufacturing and uses the waste heat to produce electricity. This is an example of which of the following processes?

• Cogeneration

• Electrolysis

• Gas hydration

• Gasification

• Reclamation

Tags

NGSS.HS-ESS3-4

NGSS.HS-ESS3-2

NGSS.HS-PS3-3

Converts solar energy directly into electrical energy

• Photovoltaics

• Geothermal

• Biomass

• Hydroelectric

• Hydrogen fuel

Tags

NGSS.HS-PS3-3

Between 1960 and 1970, world oil consumption approximately doubled. Which of the following explanations is consistent with this increase?

• Increased industrialization and economic growth worldwide

• A significant decrease in the number of automobiles

• A global shift to renewable energy sources

• A major reduction in air travel

Tags

NGSS.HS-ESS3-1

Throughout the world, especially the less-developed countries, burning wood or other biomass for heating or cooking in homes is common. One negative environmental impact of this practice is the production of particulates indoors, which can be a health hazard to humans.

• Installing effective ventilation systems in dwellings

• Updating dwellings with well-sealed windows

• Planting native plants around the dwelling

• Equipping dwellings with rainwater collection systems

Tags

NGSS.HS-ETS1-3

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Which of the following best describes the conditions under which peat is formed?

• Partially decayed vegetation is placed under low-pressure, aerobic, acidic conditions.

• Partially decayed vegetation is placed under high-pressure, anaerobic, alkaline conditions.

• Partially decayed vegetation is placed under high-pressure, anaerobic, acidic conditions.

• Partially decayed vegetation is placed under low-pressure, aerobic, alkaline conditions.

Tags

NGSS.HS-LS2-3

Which of the following is a drawback to using biofuels, such as ethanol, as a fuel source?

• Ethanol-blended gasoline has higher carbon emissions than petroleum alone.

• The global demand for biofuels is continually decreasing.

• There is high energy investment in producing and processing the crops needed for ethanol production.

• Ethanol-blended gasoline increases the likelihood of freezing gas lines in winter months.

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

Which of the following best explains the process of electricity generation in a hydrogen fuel cell?

• At the cathode, water reacts with oxygen to release hydrogen and heat. Electricity is generated as the bonds form between hydrogen and oxygen. The by-product of the reaction is heat.

• At the cathode, hydrogen is reduced and then electrons flow to the anode to generate electricity. Oxygen is produced at the cathode. Oxygen and heat are the by-products of the reaction.

• At the anode, hydrogen is oxidized and electrons flow in a circuit to the cathode. At the cathode, oxygen reacts with the hydrogen to produce water. Water and heat are by-products of the reaction.

• At the anode, hydrogen is oxidized and electrons pass through an electrolyte to the cathode. There, the protons react with water to produce oxygen. Water and heat are by-products of the reaction.

Which of the following describes an environmental problem that can result from the combustion of fossil fuels to generate electricity?

• Increased biodiversity

• Acid rain formation

• Ozone layer recovery

• Decrease in greenhouse gases

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Extraction of natural gas by the process of hydraulic fracturing (fracking) is most likely to result in which of the following environmental problems?

• Groundwater contamination

• Ozone depletion

• Eutrophication

• Denitrification

• Desertification

Tags

NGSS.HS-ESS3-4

NGSS.HS-ESS3-2

NGSS.HS-ESS2-5