Electrifying our energy consumption helps achieve climate solution goals because it...

reduces the amount of energy that is wasted as heat

allows renewable electricity to become the power source

reduces the role of coal as a power supply for electricity

Most people in the US are served by which category of electric utility provider?

Investor-owned utilities (IOUs)

Why do offshore wind turbines generate more power than onshore wind turbines?

Offshore wind turbines generate more power due to stronger and more consistent wind speeds.

Offshore wind turbines are cheaper to build than onshore turbines.

The water cools the turbine thus increasing efficiency

They also generate power from waves

Concentrating solar power (CSP) and Photovoltaic (PV) are two methods of creating solar energy. Which of the following is true?

CSP uses mirrors to concentrate sunlight and generate heat.

CSP generates electricity directly from sunlight without mirrors.

PV uses mirrors to concentrate sunlight and generate heat.

CSP is primarily used for residential solar installations.

Wave and tidal power are not growing as fast as other renewables on a global scale, but they can play a role in climate solutions because

they can support energy democracy by providing local power in certain places

they are cheaper than other forms of renewable energy

they don't suffer from intermittency issues like other renewables New Question New Question

From an environmental justice perspective, electricity infrastructure on Indigenous land requires what kind of consent from the local community? Check all that apply.

Unanimous approval by all individuals

Which of the following is a benefit of concentrating solar power (CSP) over photovoltaics?

CSP with thermal storage allows for delayed usage of the generated power, which alleviates the intermittency problem

CSP can be more easily implemented on the household scale, allowing for easier local power generation

Unlike photovoltaics, CSP does not require any rare materials that are associated with oppressive mining tactics

The CSP technology is improving more rapidly, and will soon be far more efficient than photovoltaics

Which of the following is true about HAWTs (Horizontal Axis Wind Turbines)?

They are shaped like eggbeaters

They don't need to be oriented into the wind

They don't work in cold weather

Which of the following is true about VAWTs (Vertical Axis Wind Turbines)?

They don't need to be oriented into the wind

They need lots of space to operate

Which of the following are listed in the Principles of Environmental Justice? (select all that apply)

Universal protection from nuclear testing, extraction, production, and disposal of waste

Participation as equal partners

Individuals should choose to consume as little as possible and produce as little waste as possible

The right to a zero-carbon economy by 2025

Justification for the existence and history of national parks

Which of the following is NOT an issue associated with mining for rare Earth minerals?

They're rare and difficult to find

Mining them takes a lot of processing

Mining them often produces radioactive waste

They're present in very small concentrations in the rock

What do the Environmental Justice principles state about multi-national corporations?

We oppose their destructive operations

We want to work ethically alongside them

Which of the following factors can influence the capacity factor of a wind turbine?

The location of the wind turbine

The cut-out speed of the wind turbine

The rated speed of the wind turbine

What is the word for the metric calculated by dividing lifetime costs by lifetime power generation?

Levelized Cost of Energy (LCOE)

What of the following is NOT one of the Environmental Justice principle's takes on nuclear energy?

We support nuclear energy if it's done ethically and with free, prior, and informed consent

We should have universal protection from nuclear testing

Nuclear energy threatens the fundamental right to clean air, land, water, and food

We should have protection from disposal of nuclear waste

Which is the following is NOT a downside of hydropower?

Uprating of plants is sometimes possible and is considered effective way of generating new energy

Has strongly affected Indigenous communities around the world

Electricity generation is limited by the amount of rainfall

Megadams in developing countries often don’t help the local community

Which of the following is NOT considered a drawback of nuclear energy?

Low greenhouse gas emissions during operation

Nuclear is a baseload source and can't follow demand

Radioactive waste disposal and environmental justice issues

Which of the following is NOT something the Environmental Justice Principles say about education?

Education efforts should be prioritized in urban areas over rural ones

We call for the education of present and future generations

Education should emphasize social and environmental issues

Education should appreciate diverse cultural perspectives

What does 'overbuilding' mean for electricity installation?

Overbuilding means installing excess nameplate capacity beyond current demand.

Overbuilding refers to reducing nameplate capacity to save costs.

Overbuilding means installing just enough nameplate capacity to meet current demand.

Overbuilding is the process of upgrading existing electrical systems without adding capacity.

Which of the following is NOT something the Principles of Environmental Justice say about the use of renewable resources and the land?

They should only be used in a way that benefits people + companies

They should be used in a way that is balanced, and responsibly

They should be used in a way that benefits a sustainable planet for humans and other living things

Unit 2 Exam Revew

Quiz

•

Science

•

University

•

Practice Problem

•

Medium

•

NGSS.HS-ETS1-3, NGSS.HS-PS3-3, CCSS.RI.8.2

+18

Standards-aligned

Stella Heflin

Used 6+ times

FREE Resource

35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The differential heating of Earth's surface is the driver of what kind of renewable energy?

Wind energy

Hydropower

Geothermal energy

Solar energy

Tags

NGSS.MS-ESS2-6

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum wind speed required for a turbine to produce power?

Nameplate capacity

The cut-in speed

The cut-out speed

Intermittency

Tags

NGSS.HS-PS3-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which form of renewable energy comes from the moon?

Solar energy

Geothermal energy

Tidal energy

Wind energy

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which renewable, which is often located near hot springs, has the highest capacity factor of all renewables?

Hydropower

Wind energy

Solar energy

Geothermal energy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which form of renewable energy is capable of storing the energy it creates for up to a few hours?

Concentrated solar power

Geothermal energy

Wind turbines

Solar panels

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electricity storage is needed to accommodate what attribute of solar and wind power?

Simplicity

Intermittency

Cost-effectiveness

Reliability

Tags

NGSS.HS-ETS1-1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If we convert largely to solar power, at which time of day would be most difficult to meet electricity demand?

Evening

Midnight

Noon

Morning

Tags

NGSS.HS-ETS1-3

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