COAL
nonrenewable
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
A person pushes a box with a force of 10 N for 5 meters.
👉 How much work is done?
Answer: 50 Joules
This form of energy is energy flowing through a circuit/outlet.
What is electrical energy?
renewable
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.
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
List the energy transfers for turning on a flashlight.
What is Chemical‐> Kinetic‐> chemical ‐> electrical ‐>radiant‐> thermal?
wind
renewable
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?
Weather and location can greatly impact the amount of sunlight available in an area.
Solar panels create magnetic fields that can be hazardous to wildlife.
Solar panels are cheap and tend to fail quickly.
Weather and location can greatly impact the amount of sunlight available in an area.
A student lifts a backpack using 15 N of force and raises it 2 meters.
👉 How much work is done?
Answer: 30 Joules
A cell phone demonstrates these 4 energies.
What is chemical, electrical, radiant, sound and thermal?
When pulling back a rubber band, _______ energy transfers to _________ energy.
What is kinetic, potential?
natural gas
non renewable
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.
A machine applies 50 N of force to move an object 0.5 meters.
👉 What is the amount of work done?
Answer: 25 Joules
These two things affect kinetic energy.
Think about something in motion.
What is mass and speed?
geothermal (resource derived from the Earth's internal heat )
renewable
What year was the Clean Air Act passed?
1970
1980
1870
1900
In 1970 in the U.S., the Clean Air Act was passed.
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)