Physical vs Chemical Change
A physical change is
Is a change in state of matter but the substance remains the same
What is Matter?
Matter is anything that has mass (weight) and takes up space (volume)
Ice melting is an example of
a solid to a liquid
What is buoyancy?
The upward force of a liquid pushing against a solid
A chemical change is
What is an example of Non-Matter?
Thoughts, feelings, sound, light, energy
Freezing occurs...
When a liquid turns into a solid
Reversible Change
A physical change that can be undone
What type of change is salt dissolving in water?
A Physical Change
Atoms come together to form what?
Molecules
When a gas turns into a solid
Irreversible Change
A chemical change that can not be undone
The burning of wood in a fire is an example of...
A chemical change
What are the types of matter?
Morning dew is an example of
Condensation (a gas into a liquid)
Definite Volume is defined as
The matter's volume does not change
The sulfur from a lit match is an example of...
How do gas molecules react to each other in a container?
They bounce around looking for space. They fill the container.
Sublimation occurs...
when a solid turns into a gas
Not-definite shape
The shape of the type of matter changes depending on the container it is in