General Science Energy Sources and the Environment

What are the specific energy and energy density of fuel sources measured in?

• Joules per kilogram (J/kg) and Joules per meter cubed (J/m³)

• Watts per kilogram (W/kg) and Watts per meter cubed (W/m³)

• Joules per second (J/s) and Joules per meter (J/m)

• Watts per second (W/s) and Watts per meter (W/m)

Tags

NGSS.HS-PS3-1

What is electricity considered as?

• Primary energy source

• Secondary energy source

• Renewable energy source

• Non-renewable energy source

Tags

NGSS.HS-PS3-5

What are the two categories of energy sources?

• Fossil fuels and nuclear energy

• Renewable and non-renewable energy

• Electricity and alternative energy

• Primary and secondary energy

What is the description of a fuel cell car?

• uses waste oil from food industry into ethanol

• uses methane to heat water and steam turns the turbine

• uses hydrogen to generate electricity that runs the motor

• runs off of internal combustion and a battery

Tags

NGSS.HS-ETS1-1

NGSS.HS-PS3-3

True or False: Around the world, the coal industry is declining, while renewable energy industries are on the rise.

• True

• False

Tags

NGSS.HS-ESS3-1

NGSS.HS-ESS3-2

NGSS.HS-ESS3-6

What should be included in the description of nuclear power stations?

• Use of control rods, moderators, and heat exchangers

• Use of photovoltaic cells and solar heating panels

• Use of wind generators and pumped storage hydroelectric systems

• Use of fossil fuel power stations and solar power cells

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

What is the equation for wind generators?

• Power = energy / time

• Power = -Apv³

• Power = mass x acceleration

• Power = force x distance

Tags

NGSS.HS-PS3-3

What are students expected to be aware of in relation to energy production?

• New and developing technologies

• Basic features of generating systems

• Sankey diagrams and energy transformations

• Specific energy and energy density problems

Tags

NGSS.HS-ESS3-2

NGSS.HS-PS3-1

NGSS.HS-PS3-3

Which of the following is considered part of the environment?

• forests

• people

• buildings

• all of these

Tags

NGSS.MS-LS2-5

A natural resource is that is naturally formed much more slowly than we use it is called

• renewable

• nonrenewable

• ecological

• sustainable