This is energy stored due to an object's height and mass
What is gravitational potential energy?
100
This is the ratio of useful energy that is released by a process to the total energy absorbed by the process; nothing is 100% efficient
What is efficiency?
100
A light bulb that has 40% of its energy being transferred into thermal energy has an efficiency of this
What is 60%?
100
the transfer of energy from one object to another is known as
What is an energy transfer?
100
The gravitational potential energy of a roller coaster is the greatest at this point
What is the top of the first hill?
200
energy that is transferred from a warm object to a cooler object
What is thermal energy?
200
This states that energy can neither be created nor destroyed, only transferred or transformed
What is the law of conservation of energy?
200
The reason why no energy transformations result in 100% useful energy is due to....
What is thermal energy?
200
the change of energy from one type to another type, such as potential to kinetic energy is known as
What is an energy transformation?
200
This is the energy stored in the bonds of atoms and can be found in food, batteries and fossil fuels.
What is chemical potential energy?
300
This is the energy of motion.
What is kinetic energy?
300
This is when you are giving up something that is a benefit or an advantage, in exchange for something that may be more desirable
What is a trade-off?
300
the efficiency of an engine that gives off 70% thermal energy is....
What is 30%?
300
This is the ability to cause object to change, move or work
What is energy?
300
This is the type of potential energy stored in the nucleus in an atom and is stored in the center of the Sun.
What is nuclear energy?
400
This is energy that is stored or due to position
What is potential energy?
400
This is the movement of thermal energy from hot to cold
What is heat?
400
The efficiency of an average light bulb is 80%. This means that 80% of the energy is used for this.....
What is light?
400
This does not depend on energy and involves building the house in a way that the physical structure of the house and its outdoor surroundings control the temperature
What is a passive energy design?
400
At what point of a roller coaster does the potential energy of the car equal the kinetic energy of the car
What is half way down the first hill?
500
This kind of energy transforms into heat and light in a light bulb
What is electrical energy?
500
This slows the rate of energy movement, such as heat and electricity and an example is cotton.
What is an insulator?
500
n a car engine, about 74% of the energy in the gasoline is released by heating, but only this amount of energy is transformed into motion from the engine
What is 26%?
500
Materials that have a structure that easily allows energy
transfer, such a heat and electricity and an example is copper, are known as