Heat and Temperature Unit Review

Heat energy is…

• the temperature of an object

• the particles in a substance

• energy that transfers from high to low temperature

• the number of particles in something

Which is not part of the particle model?

• Matter is made up of particles

• Adding heat makes the particles move faster

• The particles are always moving

• The particles are attached to each other

Adding heat energy causes a substance to

• Expand

• Contract

• Stay the same

An increase in kinetic energy means that particles are

• Not moving

• Moving faster

• Moving slower

An example of a conductor is

• Styrofoam

• Wool

• Plastic

• Copper

Warm water rises and cool water sinks. This is an example of…

• Conduction

• Convection

• Radiation

Armaan picks up a cup of coffee and it feels warm. This is an example of…

• Conduction

• Convection

• Radiation

Thermal energy is...

• measure of how hot or cold matter is

• the energy that transfers from one substance to another because of differences in kinetic energy

• the total kinetic energy of all the particles the substance contains

• The number of particles in a substance

Heat is…

• A combination of fire and air

• A fluid

• A form of energy

When a substance changes from a solid to a liquid it is called…

• Evaporation

• Melting

• Condensation

• Freezing