Energy Transformations
Energy
Potential and Kinetic
Types of Energy
Definitions
100
Burning a candle.
Chemical energy -> heat energy + light energy
100
The efficiency of an average gasoline powered car is about 20%. What does this mean?
Teh car uses 20% of the energy stored in the gasoline for the motion of the car.
100
What is the process of saving up or storing energy?
Potential energy.
100
Energy that has the ability to fall; this type of energy increases the higher up you go.
Gravitational potential energy.
100
Energy is defined as _________.
The ability to do work.
200
Using a hot plate to boil water.
Electrical energy -> heat energy
200
From our in class experiments, is metal a good conductor of heat or a good insulator?
Good conductor.
200
What is the process of spending energy or energy in motion.
Kinetic energy.
200
"You can burn it or you can eat it."
Chemical energy.
200
List the renewable resources (list at least 3 out of the 5 possibilities.)
Biomass, hydropower, geothermal, wind and solar.
300
A hungry football player eating a large sandwhich to use the food for energy.
Chemical energy -> mechanical energy
300
What direction does thermal energy always flow?
From something hotter to something colder. From hot to cold.
300
A heavy vase on a table has this type of energy.
(Gravitational) potential energy.
300
This type of energy is generated by a force - a push or a pull.
Mechanical energy.
300
List the Non-Renewable resources (list at least 3 out of the 5 possibilities.)
Petroleum, coal, natural gas, uranium and propane.
400
Using a solar-powered calculator.
Radiant energy -> electrical energy ->light energy
400
Name one way you can conserve energy in your home.
Energy efficient appliances, doubel paned windows, insulation in walls, etc
400
A person running down the sidewalk has this type of energy.
(Mechanical) kinetic energy.
400
An atom splitting is this type of energy.
Nuclear energy.
400
What is a calorie?
The amount of energy it takes to increase 1 g or water, 1 degree Celcius. ***NOTE: a Calorie from food = 1000 calories
500
A solar panel on the roof of a building used to heat and cool the building.
Radiant energy -> electrical energy
500
Dark colors _________ light, while light colors usually reflect light. When something _________ light it heats up.
absorbs.
500
A person that has just jumped from an airplane has this type of energy.
(Gravitational) potential and kinetic energy.
500
The sun is an example of this type of energy.
Solar (Heat, Radiant, Nuclear and Gravitational)
500
What is the Law of Conservation of Energy.
The law that energy can be not be created or destroyed.
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