Thermal Energy

The motion of atoms or molecules within a substance

• temperature

• thermal energy

• kinetic energy

• solid

matter in which atoms are closely spaced and vibrate in a fixed position.

• solid

• liquid

• gas

• water vapor

Matter in which atoms are constantly moving around and bumping into each other.

• mass

• gas

• liquid

• solid

Matter in which atoms vibrate so much that they are far apart.

• liquid

• solid

• gas

• thermal energy

The process when matter loses thermal energy and changes from a gas to a liquid.

• thermal energy

• kinetic energy

• temperature

• condensation

The transfer of thermal energy from a hotter area to a colder area.

• liquid

• heat

• kinetic energy

• water vapor

A process that creates new substances from existing substances and can absorb or release thermal energy

• chemical reaction

• thermal energy

• temperature

• kinetic energy

Heat transfer in the image.

• conduction
• convection
• radiation

Heat transfer in boiling water.

• Conduction
• Convection
• Radiation

The heat transfer in the image is by

• convection
• conduction
• radiation