Types of Energy
What is another name for thermal energy?
Heat energy
A material that STOPS or SLOWS the flow of energy is called a(n) _________
Insulator
Something that transfers energy through vibrating air is called a ______ ______.
Sound wave
Hydroelectricity is energy produced from ________ water.
Moving
What does wind power do?
It generates energy from wind
What is energy that can be observed only with your eyes?
Light energy
A material that energy FLOWS quickly through is a(n) __________
Conductor
The number of vibrations a sound makes each second is called _______.
Frequency
Energy from water is used to power what?
Televisions, appliances, homes, schools, etc.
What are the machines called that turn wind energy into electric energy?
Wind turbines (windmills)
The type of energy an object has because of its motion.
Kinetic energy
Would the plastic lining on a wire be an insulator or a conductor?
Insulator
High frequency = _______ pitch
High
True or false: The moving water into the dam is an example of potential energy.
False
The best place for wind turbines is close to the ____ .
Sea
The higher an object is, the more ________ energy it has.
Potential
How does heat transfer from a stove to a metal pot?
The metal pot acts as a conductor that allows the heat from the stove to flow through.
What is the air doing inside of an instrument?
Vibrating
How does water make electricity through a dam?
The water flows through the dam, down to the turbines, and turns the machinery in the generator.
What is one negative thing about wind turbines?
They are noisy, birds can get hurt, or there is not always wind blowing
The type of energy that is the sum of kinetic and potential energy. (HINT: roller coasters)
Mechanical Energy
If a student puts their hand in cold water and their hand becomes cold, is it the cold water flowing to make their hand cold, or is it the flow of heat from their hands into the water?
It is the flow of heat from their hands into the water.
When playing a guitar, what determines the pitch the string makes? (HINT: think of frequency)
The speed that the string vibrates
What is a lake for storing water called?
A reservoir
A group of wind turbines in the same place are called a ____ ____
Wind farm