Matter Flashcards
transfer of thermal energy from one object to another
HEAT
heat always moves from ______________ materials to cooler materials
HOTTER
transfer of heat through a fluid
CONVECTION
transfer of heat through electromagnetic waves
RADIATION
transfer of heat through direct contact
CONDUCTION
MOST* materials do this as they get hotter
EXPAND
water* does this when it freezes
EXPANDS
are changes in matter that do not change what the matter is; can be a change in color, texture, shape or state (solid, liquid, or gas)
PHYSICAL CHANGE
any change that causes a new substance to be formed
CHEMICAL CHANGE
A a chocolate candy bar melts while inside a car on a hot day (CHEMICAL OR PHYSICAL CHANGE)
PHYSICAL CHANGE
a glass breaks when you drop it (P or C)
PHYSICAL CHANGE
you fry eggs in a skillet (P or C)
CHEMICAL CHANGE
a banana turns brown and black after sitting on the counter for a week (P or C)
CHEMICAL CHANGE
these describe the texture, color, or shape of something
QUALITATIVE
these describe the counting or measuring of something
QUANTITATIVE