Forms of Energy
Energy Transfers
Renewable or Nonrenewable
Reducing Pollution
Work = Force × Distance
100
This type of energy is stored energy.
What is potential energy?
100
List the energy transfers for photosynthesis.
What is Solar‐> chemical‐> kinetic
100

COAL

nonrenewable

100

Which country is #1 on the list of top ten oil-consuming nations?

1. China

2. India

3. United States

4. Russia

3. United States

100

A person pushes a box with a force of 10 N for 5 meters.
👉 How much work is done?


Answer: 50 Joules


200

This form of energy is energy flowing through a circuit/outlet.

What is electrical energy?

200
List the energy transfers for a book falling off a shelf.
What is gravitational-> kinetic-> potential?
200
the sun

renewable

200

Name 2 ways You Can Reduce Air Pollution...

  • Ride a bike or walk instead of driving.

  • Take a bus or carpool.

  • Buy a fuel efficient car.

  • Turn off lights and appliances when they are not in use.

  • Use energy efficient light bulbs and appliances.

  • Buy fewer things that are manufactured using fossil fuels.

200

A cart is pulled with a force of 20 N over a distance of 3 meters.
👉 What is the total work done?


Answer: 60 Joules


300
This form of energy is the found inside a battery and the food we eat.
What is chemical energy?
300

List the energy transfers for turning on a flashlight.

What is Chemical‐> Kinetic‐> chemical ‐>  electrical ‐>radiant‐> thermal?

300

wind

renewable

300

Solar energy is often discussed as a clean alternative to fossil fuel energy. What is one drawback to using solar energy as a primary power source?

  1. Weather and location can greatly impact the amount of sunlight available in an area.

  2. Solar panels create magnetic fields that can be hazardous to wildlife.

  3. Solar panels are cheap and tend to fail quickly.

  • Weather and location can greatly impact the amount of sunlight available in an area.

300

A student lifts a backpack using 15 N of force and raises it 2 meters.
👉 How much work is done?


Answer: 30 Joules


400

A cell phone demonstrates these 4 energies.

What is chemical, electrical, radiant, sound and thermal?

400

When pulling back a rubber band, _______ energy transfers to _________ energy. 

What is kinetic, potential?

400

natural gas

non renewable

400

What did the Clean Air Act do?

It limits what can be released into the air. The air in the U.S. is much cleaner now than it was 50 years ago.

400

A machine applies 50 N of force to move an object 0.5 meters.
👉 What is the amount of work done?


Answer: 25 Joules


500

These two things affect kinetic energy.

Think about something in motion. 

What is mass and speed?

500
List the energy transfers for turning on a television.
What is Chemical‐> Kinetic‐> electrical‐>  radiant‐> sound‐> thermal ?
500

geothermal (resource derived from the Earth's internal heat )

renewable 

500

What year was the Clean Air Act passed?

  1. 1970

  2. 1980

  3. 1870

  4. 1900 

In 1970 in the U.S., the Clean Air Act was passed.

500

If a worker uses 100 N of force to move a heavy box 0 meters,
👉 How much work is done?


 0 Joules (because the object didn’t move)