A form of energy that results from the motion of particles in matter.
(condensation, heat, evaporation)
What is heat?
100
Water vapor in the air returns to its original liquid state - frost on the inside of a window.
(evaporation, condensation)
What is condensation?
100
The temperature at which a liquid changes to a solid.
(freezing point, melting point, boiling point)
What is freezing point?
100
When something is getting hotter, the heat particles are doing this.
(moving faster, moving slower)
What is moving faster?
200
A place from which heat energy comes.
(thermometer, freezing point, heat source)
What is a heat source?
200
To become larger in size (a bridge in the hot summer).
(contracts, expands)
What is expands?
200
The temperature at which a solid changes to a liquid.
(freezing point, melting point, boiling point)
What is melting point?
200
The melting point of a substance is the same as its ______.
(boiling point, freezing point)
What is freezing point?
300
The nucleus of an atom is split.
(nuclear fusion, nuclear fission)
What is nuclear fission?
300
To become smaller in size (a bridge in the cold winter).
What is contracts?
300
The movement of heat energy from one molecule to the next-if you hold a strip of metal in a flame, it will get hot.
(conduction, convection, radiation)
What is conduction?
300
As the temperature of an object increases, the amount of heat in the object ___________.
(increases, decreases, stays the same)
What is increases?
400
Two nuclei are combined.
(nuclear fission, nuclear fusion)
What is nuclear fusion?
400
The measure of how fast and object's particles are moving.
(thermometer, temperature, Fahrenheit scale)
What is temperature?
400
A method of heat movement that happens when the particles of a gas or a liquid rise - heaters or a pot of water on the stove.
(convection, conduction, radiation)
What is convection?
400
The freezing point or boiling point of a substance can be changed by doing this.
(reducing its mass, increasing its mass, mixing the substance with another substance)
What is mixing the substance with another substance?
500
Change from a liquid to a gas - boiling water.
(condensation, evaporation)
What is evaporation?
500
A device we use to measure temperature.
(temperature, melting point, thermometer)
What is a thermometer?
500
This is how energy from the sun reaches us.
(conduction, convection, radiation)
What is radiation?
500
The amount of heat needed to raise the temperature of 1 gram of water by 1 degree C is ___________.
(1 calorie, 3 calories, 6 calories)