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Energy Transformations
Energy Transformations 2
K or P?
Types of Energy
Definitions
100
Burning a candle. (2 steps)
Chemical energy -> heat energy + electromagnetic energy
100
A young boy rides his bicycle down the sidewalk
chemical energy ---> mechanical energy
100
Energy stored due to an objects position
Potential energy.
100
The energy an object gets from its position and motion.
Mechanical energy.
100
Energy is defined as _________.
The ability to do cause change or do work!
200
Using a hot plate to boil water. (2 steps)
Electrical energy -> thermal energy
200
A firecracker explodes in the sky
chemical energy -> electromagnetic energy + thermal energy
200
Energy an object has due to its motion.
Kinetic energy.
200
Energy released in a chemical reaction or absorbed in the creation of a chemical compound. "You can burn it or you can eat it."
Chemical energy.
200
The Law of Conservation of Energy states.
Energy cannot be created or destroyed, it can only change forms.
300
A hungry football player eating a large sandwich to use the food for energy. (3 steps)
Chemical energy => thermal energy => mechanical energy
300
Explain the energy transformation when a television is turned on.
Electrical Energy => electromagnetic energy + mechanical energy
300
A heavy vase on a table has this type of energy.
(Gravitational) potential energy.
300
Energy stored in charged particles within an electric field.
Electrical energy.
300
What is elastic potential energy?
the energy associated with objects that can be stretched or compressed.
400
Using a solar-powered calculator. (2 steps)
electromagnetic energy -> electrical energy
400
Rubbing your hands together on a cold day
mechanical energy => thermal energy
400
A person running down the sidewalk has this type of energy.
Kinetic energy.
400
Energy that is generated and measured by heat.
Thermal energy
400
What is gravitational potential energy?
Energy related to an objects height.
500
A hairdryer blowing hot air. (3 steps)
electrical energy -> mechanical energy -> thermal energy
500
Explain the transformation that takes place when you turn a flashlight on. (3 steps)
Chemical (battery) -> Electrical (flow of electrons) -> electromagnetic
500
A person that has just jumped from an airplane has this type of energy. Explain!
potential and kinetic energy.
500
Energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space
Electromagnetic energy
500
What is a Rube Goldberg Design?
An overly complex contraption, designed with humor and a narrative, to accomplish a simple task.