A substance that does not allow heat to move through it easily is called a/an __________?
What is an insulator?
100
The transfer of thermal energy between particles of matter that are touching.
What is conduction?
100
A tool that is used to measure heat.
What is a thermometer?
100
The transfer of thermal energy between substances.
What is heat?
100
The state in which water flows and takes the shape of its container.
What is a liquid?
200
The amount of mass per unit volume.
What is density?
200
The transfer of thermal energy be particles moving through a fluid, a liquid, or a gas.
What is convection?
200
The unit of measure heat is usually measured in.
What is a degree?
200
A state of matter that has a definite shape and holds its shape.
What is a solid?
200
From a warmer to a cooler place.
What is how heat travels?
300
The energy used when particles are moving.
What is kinetic energy?
300
The transfer of thermal energy by waves that can travel through air or across space.
What is thermal radiation?
300
The two scales of measure used to measure heat.
What are celsius and farenheit?
300
The energy that COULD be used.
What is potential energy?
300
Hot air rises because its __________ changes.
What is density?
400
The process in which molecules are moving farther apart from each other.
What is expansion?
400
The type of heat that reaches Earth from the Sun.
What is thermal radiation?
400
0 degrees Kelvin
What is absolute zero?
400
The process in which molecules are pulling closer together.
What is contraction?
400
Rubber, wood, and foam.
What insulators?
500
The flow of particles in a fluid that occurs because of differences in temperature and density.
What is a convection current?
500
The heat from a campfire reaches a person by _________.
_____________ burns the marshmallow.
The hot chocolate heats us via _____________.
What are radiation, convection, and conduction?
500
The unit of measure that specific heat is measured in.
What is joules per gram ( J/g)?
500
The heat required to raise the temperature of the unit mass of a given substance by a given amount ( usually one degree).
What is specific heat?
500
Water that begins as ice and turns to ice has passed its _____ ______. When it turns to water vapor it passes its ____ _____. And when it returns to ice it passes its _____ ______.
What melting point, boiling point, and freezing point?