vocabulary
concept
100

what are tiny particles that make up all things?

Molecules

100

a hot metal spoon touches a cold metal spoon. why does the cold spoon get warmer?

energy transfers from faster molecules to slower- molecules

200

what is a stable state where all molecules in a system move at about the same speed

equilibirum

200

two objects are at the same temperature. Object A has more molecules than Object B. 

Object A has more total thermal energy

300

what is the total kinetic energy of all molecules in a thing

thermal energy

300

object A= 80 degrees

object B=40 degrees

the objects touch each other, what object has faster moving molecules at the start

object a

400

what is the energy of motion in particles

kinetic energy

500

when energy moves from faster-moving molecules to slower- moving ones

energy transfer