Explore Renewables: Grades 9-12

2.

How is electricity generated?

Copper wire spinning around a magnet
Steam causing a turbine to rotate
Flowing water forcing a turbine to spin
All of the above

Correct Answer

A. All of the above

Explanation

Electricity can be generated through various methods. One way is by copper wire spinning around a magnet, which creates a magnetic field that induces an electric current. Another method is using steam to cause a turbine to rotate, which then generates electricity. Additionally, flowing water can force a turbine to spin, converting the kinetic energy of the water into electrical energy. Therefore, all of the given options are correct ways in which electricity can be generated.

Rate this question:

3.

What is the difference between solar thermal and solar photovoltaic energy?

Solar photovoltaic panels can be installed on a roof while solar thermal panels cannot
Solar thermal uses the heat from the sun to make electricity (or heat up water) and solar photovoltaics uses light from the sun to make electricity
Solar phototovoltaics can be used to make electricity, but solar thermal cannot
Solar photovoltaics is a renewable source of energy, but solar thermal is not

Correct Answer

A. Solar thermal uses the heat from the sun to make electricity (or heat up water) and solar photovoltaics uses light from the sun to make electricity

Explanation

Solar thermal energy harnesses the heat from the sun to generate electricity or heat up water, while solar photovoltaic energy uses the light from the sun to generate electricity. This means that solar thermal panels are able to convert the sun's heat into usable energy, while solar photovoltaic panels convert the sun's light into electricity.

Rate this question:

4.

Which of the following is a barrier to using more renewable sources of energy?

There isn’t enough possible renewable energy to serve human needs
Biofuels require a lot of land and resources
Modern wind farms aren’t financially competitive with fossil fuel power plants
Oceans are too large for tidal power to be effective

Correct Answer

A. Biofuels require a lot of land and resources

Explanation

Biofuels requiring a lot of land and resources is a barrier to using more renewable sources of energy because it limits the availability and feasibility of producing biofuels on a large scale. The requirement for a significant amount of land and resources can lead to deforestation, competition with food production, and environmental degradation. This barrier hinders the widespread adoption of biofuels as a renewable energy source.

Rate this question:

5.

What is "distributed generation?"

Generating electricity from many small sources that are located close to customers
A way to make electricity from algae found all over the world
Generating electricity from a few large power plants located far away from customers
Using long power lines to deliver electricity from coal power plants to keep pollution away from populated areas

Correct Answer

A. Generating electricity from many small sources that are located close to customers

Explanation

Distributed generation refers to the generation of electricity from multiple small sources that are located near the consumers. This decentralized approach allows for a more efficient and reliable energy system as it reduces transmission and distribution losses, improves grid stability, and increases the utilization of renewable energy sources. It also provides the opportunity for consumers to generate their own electricity through technologies like solar panels, wind turbines, or fuel cells, thereby promoting energy independence and sustainability.

Rate this question:

6.

Which of the following is a barrier to storing energy from renewable sources?

Fuel cells pollute the atmosphere
Today's energy batteries are expensive and heavy
Scientists have not discovered any creative ways to store energy
None of the above

Correct Answer

A. Today's energy batteries are expensive and heavy

Explanation

Today's energy batteries being expensive and heavy is a barrier to storing energy from renewable sources. This is because the cost and weight of batteries can make it impractical to store large amounts of energy generated from renewable sources such as solar or wind power. Expensive and heavy batteries can limit the scalability and efficiency of renewable energy systems, hindering their widespread adoption and integration into the grid.

Rate this question:

7.

What is a "smart grid?"

A type of fence that helps fish avoid hydroelectric dams
A modern electrical grid that uses information technology to improve the efficiency and reliability of electricity production and distribution.
The best way to arrange solar panels on a roof
A map of all the geothermal hotspots in the United States

Correct Answer

A. A modern electrical grid that uses information technology to improve the efficiency and reliability of electricity production and distribution.

Explanation

A "smart grid" refers to a modern electrical grid that utilizes information technology to enhance the effectiveness and dependability of electricity generation and distribution. This includes incorporating advanced sensors, communication networks, and automation systems to monitor and control the flow of electricity. By doing so, a smart grid can optimize energy usage, detect and respond to power outages more efficiently, and integrate renewable energy sources more effectively. Overall, the implementation of a smart grid aims to improve the efficiency and reliability of electricity production and distribution.

Rate this question:

8.

If we took away all of the current energy efficiency standards for buildings and appliances, we would need ________________ energy?

More
The same amount of
Less
The same amount but different forms of

Correct Answer

A. More

Explanation

If we took away all of the current energy efficiency standards for buildings and appliances, we would need more energy. This is because energy efficiency standards are put in place to ensure that buildings and appliances consume less energy and operate more efficiently. Without these standards, buildings and appliances would use more energy, resulting in an increased demand for energy.

Rate this question:

9.

True or false: We'll need a combination of renewable energy sources to move forward with a secure, sustainable energy supply.

True
False, our only way of reducing carbon dioxide emissions and slowing down climate change is to find one source of renewable energy that can cover all of our energy needs

Correct Answer

A. True

Explanation

The statement suggests that in order to have a secure and sustainable energy supply, a combination of renewable energy sources is needed. This implies that relying on one source alone is not sufficient to meet all energy needs and reduce carbon dioxide emissions.

Rate this question:

10.

Which of the following energy strategies will help ensure a long and healthy future for ourselves and our planet?

Energy efficiency
Demand response
Renewable energy
All of the above. This combination of strategies is called "Integrated Demand Side Management."

Correct Answer

A. All of the above. This combination of strategies is called "Integrated Demand Side Management."

Explanation

The correct answer is "All of the above. This combination of strategies is called 'Integrated Demand Side Management.'" This means that implementing energy efficiency, demand response, and renewable energy strategies together will help ensure a long and healthy future for ourselves and our planet. Integrated Demand Side Management refers to the coordinated use of these strategies to optimize energy consumption and reduce environmental impact.

Rate this question:

Explore Renewables: Grades 9-12

Most of the energy we use today in the United States comes from ________________.

Quiz Preview

How is electricity generated?

What is the difference between solar thermal and solar photovoltaic energy?

Which of the following is a barrier to using more renewable sources of energy?

What is "distributed generation?"

Which of the following is a barrier to storing energy from renewable sources?

What is a "smart grid?"

If we took away all of the current energy efficiency standards for buildings and appliances, we would need ________________ energy?

True or false: We'll need a combination of renewable energy sources to move forward with a secure, sustainable energy supply.

Which of the following energy strategies will help ensure a long and healthy future for ourselves and our planet?