Thermal Energy and Temperature

The phase of matter that has definite shape and definite volume is:

• solid.
• liquid.
• gas.
• plasma.

In nature, heat always flows from a:

• cold object to a warm object.
• small object to a big object.
• warm object to a cold object.
• large object to a small object.

Heat energy from the sun is transferred to Earth by:

• conduction.
• radiation.
• convection.
• insulation.

If two objects have reached the same temperature they have reached:

• a melting point.
• a boiling point.
• thermal equilibrium.
• specific heat.

Heat is the movement of ______.

• radiation
• thermal energy
• cold
• fire

Heat moves by ______ when it travels through waves.

• radiation
• conduction
• insulator
• convection

Heat moves by ______ when it travels from one solid to another solid.

• radiation
• convection
• thermal energy
• conduction

The way heat moves in liquids and gases is called _______.

• convection
• radiation
• conduction
• temperature

All matter is made of _____ that are constanly moving.

• insulators
• particles
• convection
• pieces of plastic

The heat from a hot burner to a pot is transferred by ______.

• convection
• insulation
• radiation
• conduction