Light is a form of energy. True or False?
True
A series of dominoes falling into each other is called a...
chain reaction/domino effect
Sound and light energy move in...
waves
What is energy?
Ability to do work.
What energy powers our phones and laptops?
Electrical energy.
Music is a type of _________ energy. Fill in the blank.
Sound
Will a tall object have more or less energy than a short object?
More
What are the two ways we measure sound waves?
What is force?
A push or a pull
What is oil made from?
Decayed animals and plants
A microwave or oven cooks food through _________ energy.
Heat/conduction/convection
When an object is knocked over, we say the energy has been...
Released/transferred
Will a louder sound have a higher or shorter wave height than a quiet sound?
Higher
What is potential energy?
Energy that is stored
When gas and coal are burned, what can happen to the air?
Pollution/smog
Wind, sun, and water are all forms of what kind of energy?
Renewable/Alternative
When energy is in motion, is that called potential or kinetic energy?
Kinetic
The more waves per second, the _________ the frequency
Higher
What is friction?
A force that acts between two objects being rubbed together.
The first phone was invented in which era: the 1700's, 1800's, or 1900's?
1800's
What is the name of the energy that keeps us from falling off of the earth?
Gravity
Machines that are complicated but perform a simple task are called what?
Rube Goldberg Machines
At what decibel level do we naturally speak?
Around 60 decibels.
What is static?
Energy released as electricity
The north and south poles for a ___________ field.
Magnetic