unit 1
the tendency of a material to facture under a small force
what is brittle
cracking an egg
what is a physical change
a tendency to do nothing or remain unchanged
what is inertia
lower temperatures are behind the front
what is a cold front
a material that keeps electricity, heat, or cold from transferring
what is insulator
burning wood in a fire
what is a chemical change
a push or pull that causes an object to change direction, move, or stop
what is a force
Warm air moves up the cold front as it slowly displaces the cold air
what is a warm front
an equation that involves atomic numbers, protons, and electrons
what is APE
mixing of atoms of 1 or more substances
what is the definition of chemical change
it is measured in newtons
what is net force measured in
A stationary front is where a warm air mass and a cold air mass meet, but neither has enough force to move the other
what is a stationary front
positive, 1 AMU
what is the charge of a proton
a blending of substances that can mos likely separate
what is the definition of physical change
the overall forces acting on an object
what is net force
happens when two cold air masses trap a warm air mass and force it upward
what is a occluded front