ability to do work or cause change
Emily used _____ to pick up her books.
What is energy
100
energy of moving electrical charges
Charges in lightening carry _______ energy.
What is electrical energy
100
transfer of heat from one particle of matter to another
The transfer of heat from a pot to a spoon is _________.
What is conduction
100
freezes at 32 degrees and boils at 212 degrees
The most familiar scale is the _____________ scale.
What is fahrenheit scale
100
has mass, and occupies space
All objects are made up of _______.
What is matter
200
energy due to motion
The rollercoaster's ______ energy gains energy as it gains speed on the track.
What is kinetic energy
200
form of potential energy that is stored in chemical bonds between atoms
________ energy is stored in the foods that you eat.
What is chemical energy
200
transfer of heat by movements of currents within a fluid
When hot air rises and cool air sinks it is an example of __________.
What is convection
200
temperature at which water freezes at 0 degrees and boils at 100 degrees
Nearly every country uses the _________ scale.
What is celsius
200
one of three forms-solid, liquid, or a gas
The arrangement of particles that make up the matter differs from one ______ to another.
What is state
300
results from the position of shape of an object
Stretching a rubber band will cause it to get ________ energy so it'll be able to snap back.
What is potential energy
300
potential energy stored in the nucleus of atom
The sun is a source of _______ energy.
What is nuclear energy
300
transfer of energy by electromagnetic waves
_________ is energy felt as heat from a fire.
What is radiation
300
temperature at which zero is the temperature when no more energy can be removed from matter
The temperature scale commonly used in science is the _________ scale.
What is kelvin
300
rapid reaction between oxygen and fuel that results in fire
The process of burning fuel is ________.
What is combustion
400
kinetic or potential energy associated with motion or position
A quarterback transfers ________ energy to the football.
What is mechanical energy
400
energy that travels through space as waves
The sunlight that you see each day is a form of ____________ energy.
What is electromagnetic energy
400
material that conducts heat well
Silver and stainless steel are good ________.
What is conductor
400
measure of the average energy of motion of the particles in a substance
Particles that have a low ___________ have a low average kinetic energy.
What is temperature
400
forms over millions of years from plant and animal remains
Coal, petroleum, and natural gas are known as ______ ____.
What are fossil fuels
500
total potential and kinetic energy of particles in an object
Lava flowing from a volcano has a lot of _______ energy.
What is thermal energy
500
process of changing one form of energy to another
Niagara Falls is an example of _______ ___________.
What is energy transformation
500
material that doesn't conduct heat well
A ___________ slows down the transfer of heat.
What is insulator
500
temperature at which no more energy can be removed from matter
The lowest temperature possible is ________ _____.
What is absolute zero
500
energy cannot be created or destroyed
The ___ ___ ________ __ _____ proves that when one form of energy changes into another, no more energy is produced.