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
The pencil is 12 cm long. (Qualitative or Quantitative)
QUANTITATIVE
The mineral is a deep purple in color. (Quantitative or Qualitative)
QUALITATIVE
The edge of the rock is very sharp. (Qualitative or Quantitative)
QUALITATIVE
When a liquid does this, it changes to a gas.
EVAPORATES
hot air rises and cool air sinks because of this
CONVECTION
When someone gets a sunburn, it is due to this . . .
RADIATION
When you iron your clothes, heat transfers from the iron to the clothes due to this this . . .
CONDUCTION
When a spoon in a bowl of hot soup becomes warmer, it is due to this . . .
CONDUCTION
What causes a hot air balloon to rise?
CONVECTION
