Unit 1
charge of protons
what is positive ?
cracking an egg
what is a physical change ?
a push or a pull
what is a force ?
warm air moves
what is upward ?
charge of neutrons
what is neutral ?
water boiling
what is a physical change ?
overall forces
what is net force ?
cold air moves
what is downward ?
charge of electrons
what is negative ?
baking a cake
what is a chemical change ?
change speed or direction
what is unbalanced ?
cool air masses
what is dense and sink ?
mass of protons
what is 1 AMU ?
rusted bicycle chain
what is a chemical change ?
object stays still
what is balanced ?
warm air masses
what is rise and dense ?