APES Unit 6 Energy

The ADVANTAGES of Fossil Fuels include: (Choose ALL that apply)

• low cost

• produce a lot of energy

• cause air pollution

• high cost

Tags

NGSS.HS-ETS1-3

Which of the following 2 use PASSIVE solar energy?

• south-facing room with windows

• solar oven

• solar panels

• photovoltaic cells

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

A resource that is used faster than we can replace it is known as a

• renewable resource
• non renewable resource
• natural resource
• income resource

The time needed for half of a radioactive sample to decay is called its __________.

• decay period

• period

• transmutation time

• half-life

Tags

NGSS.HS-PS1-8

If a 100 W incandescent light bulb uses 360 kJ of energy per hour, and a compact fluorescent bulb uses 1/4 as much, how much energy would a compact fluorescent bulb use in 30 minutes? 1000 Watts= 1kJ

• 4.5 kJ

• 9 kJ

• 45 kJ

• 90 kJ

Which of the following best describes a potential advantage of using geothermal energy instead of solar farms for power generation?

• Harnessing geothermal energy does not release hydrogen sulfide gas, whereas solar farms do.

• Geothermal energy does not release greenhouse gases, whereas solar farms do.

• Geothermal energy can be harnessed without destroying large tracts of habitat, whereas solar farms require large amounts of space

• Geothermal energy is easily accessible and can be harnessed in most parts of the world, whereas solar energy is difficult to harness.

Tags

NGSS.HS-ETS1-3

Solar energy systems have been increasing the percentage of energy they contributed to the global energy supply. One of the fastest growing types of solar energy systems uses photovoltaic (PV)(PV) cells. The graph below shows the solar power generated in one day in a town in Germany in the month of July.

Which of the following best describes how a homeowner using an off-the-grid PVPV solar system, as seen in the graph above, can power a home between 9:00 PM and 6:00 AM?

• Switching to the electrical grid to obtain power

• Relying on sources like wind or hydroelectricity in times of darkness

• Using excess energy from a sunny day stored in batteries for power

• Burning wood to create heat and light for the home.

Tags

NGSS.HS-ESS3-2

NGSS.HS-ESS3-4

Fuel with the GREATEST net-energy potential

• petroleum

• nuclear energy

• natural gas

• coal

Tags

NGSS.HS-ESS3-1

Which of the following is an environmental benefit associated with substituting ethanol for gasoline?

• Ethanol is more energy efficient than gasoline.

• Ethanol has a lower cost than gasoline.

• Burning ethanol produces fewer air pollutants than burning gasoline alone.

• Burning ethanol removes carbon dioxide from the atmosphere.

Tags

NGSS.HS-ETS1-3

Which of the following is NOT considered to be a renewable energy source?

• wind

• solar

• nuclear

• biomass