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Law of Conservation of Energy
Vocab and More Transformations
Energy Transformations
Transfer of Heat 2
Transfer of Heat
100
True or false? Energy can not be created or destroyed.
What is true?
100
A forest fire is an example of this type of energy transformation.
What is electrical (lightning) to chemical to heat?
100
This is energy that is transferred from one energy source to another.
What is an energy transformation?
100
This is how heat is transferred from the sun through space to the Earth.
What is radiation.
100
In how many ways is heat transferred?
What is three?
200
True or false? Energy can be destroyed.
What is false? Energy cannot be created or destroyed.
200
When tossing a ball kinetic energy is greater at _____point, while potential energy is greatest at _______ point.
What is when the ball leaves your hand or just before it returns to the other hand (kinetic) AND when it's at the top of the arc (highest point) (potential)
200
Water flowing over a dam is an example of this type of energy transformation.
What is potential to kinetic mechanical?
200
Through this form of heat transfer, the air in your house warms up and moves upward as it becomes less dense, or packed together.
What is convection?
200
This transfers heat from a warmer substance to a cooler substance through direct contact.
What is conduction?
300
Energy can be changed from...
What is one form to another?
300
A girl playing volleyball is an example of this type of energy transformation.
What is kinetic mechanical energy to sound energy and heat energy?
300
In a mechanical energy transformation, energy is transferred between______ and _______.
What are kinetic and potential energy?
300
The energy of the faster moving particles in the warmer substance causes the particles in the cooler substance to do this.
What is move faster until they are moving at the same speed, and the two substances reach the same temperature?
300
This transfers heat in a fluid through currents.
What is convection.
400
According to the Law of Conservation of energy, the total amount of energy...
What is never changes?
400
A windmill is an example of this energy transformation.
What is kinetic mechanical to electrical energy?
400
A person riding a bike is an example of this type of energy transformation.
What is kinetic and potential mechanical?
400
The second floor of homes are often warmer than first floor basements as a result of this.
What is heat transfer through convection?
400
This transfers heat through electromagnetic waves.
What is radiation.
500
An example of energy being transferred is...
What is "breaking" pool balls? The energy from the white ball is transferred it the others as they collide.
500
The water cycle is an example of this type of energy transformation.
What is solar to potential mechanical energy?
500
Stretching a rubber band back is an example of this energy transformation.
What is kinetic to potential to kinetic transformation?
500
As air in your house moves upward and becomes less dense/packed together it becomes this.
What is warmer?
500
Unlike convection and conduction, radiation can occur through _________.
What is empty space?