Unit 1
element 1
what is hydrogen
burning wood in a fire
what is a chemical change
newtons first law
what is An object at rest stays at rest
forms near the polar
what is not needed for an hurricane
element 2
what is helium
what is a physical change
newtons second law
what is f=ma
water over 80 degrees or warmer
what is needed for an hurricane
element 3
what is lithium
rusted bicycle chain
what is chemical change
newtons third law
what is every action that has an equal and opposite reaction
high pressure
what is not needed for an hurricane
element 4
what is beryllium
tearing paper
what is a physical change
1st law
what is if you slide a hockey puck on ice, eventually it will stop, because of friction on the ice
low pressure
what is needed for an hurricane