Classifying Energy
Energy can be exchanged for which of the following.
A. Matter
B. Other forms of energy
C. Work
D. All of the above
D. All of the above.
When does an extreme pogo stunt performer reach his maximum gravitational potential?
At the top of his jump.
What city is known as the “Windy City“?
Chicago
Presently, over 85% of the worlad’s energy demands are being met by _____.
nonrenewable energy resources.
Which of the following is the best example of kinetic energy?
A. An avalanche flow
B. A Bundle of firewood
C. A case of dynamite
D. A compressed spring
A. An avalanche flow
Most man made energy transformation are ___ efficient.
20-40%
A “mouth organ“ is also known as a:
Harmonica.
True or False:
Oil is the one fossil fuel that is naturally forming today.
False.
True or False:
In a closed system, the total amount of energy remains the same.
True
The sum of all forms of Kinetic and potential energy in a system is called_____.
Mechanical energy
”Bourgeoisie” is a term used to describe:
The middle class.
Which of the following is not a benefit of using fossil fuels over other sources?
Fossil Fuels are able to be efficiently harvested using existing technology.
Fossil fuels are energy dense.
Fossil fuels are fairly inexpensive.
Fossil fuels are nonrenewable energy resources.
Fossil fuels are nonrenewable energy resources.
True or False:
The energy found in foos molecules is an example of potential energy.
True.
Energy can be lost through heat, light, friction, sound, or transmission of electricity.
What is the main ingredient in tofu?
Soybeans
In which of the following moments would an extreme pogo stick have the greatest amount of kinetic energy?
As the rider has descended halfway through the air.
As the rider is at the top of his jump
As the rider’s stick first touches the ground.
As the stick’s cylinder is completely compressed.
As the riders stick first touches the ground.
How much gravitational potential energy does an 80 Kg skydiver have if he is about to jump out of an airplane 3850 m above the ground?
3, 020, 000 J
A plate of cookies would be best described as having ____ energy.
Chemical potential.
Where does Curious George live?
New York City.
True or false:
Wind and solar farms take up more space than a fossil fuel power plant.
True