Vocabulary
A system is a group of parts that are working togehter.
The form of energy that is transferred through wires.
Electrical energy
Name two examples of electrical energy
Sample answers: hair dryer, toaster, fan
What is an example of an energy converter?
radio, tv, lamp, candle
What did the water pitcher and cups demonstrate about energy in an electrical system?
Electrical systems have a limited supply of energy.
What is function?
The form of energy that moving things have
Motion Energy
Name two examples of motion energy.
Sample answers: truck, airplane
What was the best possible solution from Ergstown that met the criteria?
Replace older streetlights with LED streetlights.
What would happen if you add a second buzzer to the system that you built?
The sound would be faint and choppy.
What is energy?
the ability to make things move or change
The Form of energy that we can hear.
Name two examples of sound energy.
Sample answers: beep of car's horn, bark of a dog, music from a radio, whisper
True or false: A statue is an energy converter.
What would happen if 2 or more buzzers were added to the system?
The system would stop working.
What is an electrical device?
a machine that converts electrical energy to another form of energy
The form of energy that has to do with changing temperature.
Thermal Energy
Name two examples of thermal energy.
The form of energy that is in food, fuel, and batteries.
Chemical Energy
In a heater system, what would be the input energy?
electrical energy
What is an energy converter?
something that changes one form to another
The form of energy that we can see.
Light Energy
Name two examples of light energy.
Sample answers: sunlight, candles, light bulbs, fireflies
Why would replacing the streetlights with LED lights have enough effect to make a difference to Ergstown?
LED lights use less energy and produces more light than thermal energy. Less energy is used to produce more light.
In a heater system, what would be the output energy?