Vocab
What are the 3 states of matter?
Solid, Liquid, Gas
Sharpening a pencil.
Physical Change
Describe the particles of a solid.
Compact together and vibrate.
Taking In Energy means to:
Get hotter
Solid to Liquid
Melting
Which state has definite shape and volume?
Solid
Chemical Change
Describe the particles of a liquid.
Spread apart, but slowly passing by each other.
Releasing Energy means to:
Get Colder
Liquid to Gas
Evaporation
Which state has definite volume but not definite shape?
Liquid
Baking a cake.
Chemical Change
Describe the particles of a gas.
Widely spread and quickly moving.
If matter is getting hotter, the particles are moving:
faster.
Liquid to Solid
Freezing
Which state has no definite shape or volume?
Gas
Cutting an apple.
Physical Change
What happens to the particles when a liquid turns into a gas?
The get more energy and move around more!
If matter is getting colder, the particles are moving:
slower.
Gas to Liquid
Condensation
When matter goes through a change, but it does not change the TYPE of matter it is. It keeps its identity.
Ice Melting to Water.
Physical Change.
What happens to the particles when a liquid turns into a solid?
They have less energy, and start to compact together.
What happens when a solid receives energy?
It gets hotter and melts into a liquid.
What is the Melting/Freezing Point of Water?
32 *F and 0 *C