Thermal Energy
Thermal energy is the total of a material’s ___.
kinetic and potential energy
Name one energy transfer
1. conduction
2. convection
3. radiation
Matter is anything that:
has mass and takes up space
Plasma is
Ionized gas
Convection occurs in...
liquids and gases
Temperature is a measure of:
average kinetic energy
Heat transfer continues until:
temperatures are equal
Which is a fluid?
ice
water
metal
solid glass
1. water
When water boils or ice melts temperature
stays consistent
When gases are heated they...
expand
Heat is defined as:
movement of thermal energy from warm to cool
Radiation transfers energy by:
electromagnetic waves
Gases have...
no definite shape or volume
Gases are compressible because...
particles are far apart
Pressure affects:
volume of gases
What is absolute zero?
0 Kelvin
Conduction occurs when:
particles collide
Liquids have...
definite volume
mass ÷ volume
A balloon shrinks outside in cold weather because:
thermal contraction
What happens at absolute zero?
particles stop moving
Kelvin scale is mainly used by:
chemists and physicists
When particles move faster, state changes toward...
gas
Boiling occurs when:
vapor pressure equals atmospheric pressure
Convection currents in oceans...
move warm and cool water