Vocabulary
small moving particles
molecules
AVERAGE kinetic energy
temperature
always moving
molecules
when two objects come into contact, their molecules do this
collide
true or false
two things can have the same temperature but different thermal energy
true
energy of motion
kinetic energy
lowest possible temperature
absolute zero
faster motion = ____________ temperature
higher
when an object gains energy, its molecules do this
speed up
the average motion of particles in an object describes its
temperature
TOTAL kinetic energy
Thermal
When an object has faster moving molecules it will feel...
warmer
slower motion = ______________ temperature
lower
When an object loses energy, its molecules do this
slow down
Object A has more molecules than object B. Their temperatures are the same. How do their thermal energy levels compare?
object A will have more thermal energy
Energy movement from one object to another
transfer
When an object has slower moving molecules it will feel...
colder
energy transfers when...
molecules collide
What happens to the transfer of energy when the objects reach equilibrium?
it stops
depends on amount of matter
thermal energy
equal energy state
equilibrium
Measures temperature
thermometer
represents unseen processes
models
energy will continue to transfer from one object to the other until
the objects reach equilibrium
Object A has 10 particles and a temperature of 5. How much thermal energy does it have?
50 Kj