Unit1
charge of proton
what is positive?
cracking an egg
What is an example of a physical change?
push and pull
what is a force?
hot air rises, cool air sinks
what is a convection current?
charge of neutrons
what is neutral
water boiling
what is an example of physical change?
stay still or moves at the same time
What is balanced force?
a hurricane needs
what is warm water?
charge of electrons
what is negative?
burning wood in a fire
What is the chemical change?
object to change speed, direction, position
what is unbalanced force?
low pressure weather
what is lousy?
location of proton
what is nucleus
rusted bicycle chain
What is the chemical change?
overall forces on a object
what is net force
color of warm front symbol
what is red