Forms of Energy
How are potential and kinetic energy related?
Potential energy is the energy stored because of an object's position and kinetic energy is the energy an object has once it moves
What are examples of an conductor?
What is the difference between volume and pitch?
Volume is the amount of energy a sound has, and pitch is how fast or slow the sound waves move
Wind and water
What are examples of things that cause motion?
What are examples of light energy?
Candle, light, the Sun, etc\.
What is the difference between an insulator and a conductor?
An insulator stops the flow of energy and a conductor lets heat flow
What states of matter can sound travel through?
Solids, liquids, and gases
Wind
Distance and [ ? ] are both measurements you need to find speed.
Time
A radio uses what type of energy?
Sound energy, light energy, mechanical energy
What materials keep liquid warm?
Thermos (insulator)
Placing rice on a speaker playing music shows what two types of energy?
Sound energy & mechanical energy
What is hydroelectricity?
Electricity produced from the energy of moving water
What causes an object's speed or direction to change?
A force
A student plugs a pencil sharpener into a wall outlet. What type of energy powers the pencil sharpener?
Electrical energy
An insulator
If a bottle is mostly filled water, will the pitch be high or low?
High pitched
Why are wind turbines challenging to use?
They are noisy, expensive, harm birds, they do not always blow when people need electricity
Some things, such as your nose, do not change [ ? ], whole others, such as cars, do change.
Position
Jackson has four items: a candle, a lamp, a phone, and a match. Which item produces a different form of energy than the other three items?
A phone (sound energy)
Ms. Huetten has a metal pot with a wooden handle. How are conductors and insulators used in this cooking pot?
The wood handle is an insulator and the metal pot is a conductor
Squeeze the end of a straw and blow into it. Cut the straw in half and blow into it. Was the second sound higher or lower pitched?
Higher pitched
Fill in the blank:
As water moves over the [ ? ], it starts to spin. As it spins, it tuns machinery in the [ ? ].
Turbine; generator
When you ise brakes to stop your bike, you are using....
Friction