State of Matter
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Matter
Anything that has mass and takes up space
Solid
A state of matter that has definite shape and volume
Liquid
A state of matter that has definite volume but no definite shape
Gas
A state of matter that has no definite shape or volume
Volume
The amount of space an object takes up
Atom
The smallest particle of a matter
Molecule
A group of two or more atoms bonded tightly together
Molecules of a solid
• A lot of molecules • Very close together and touching each other • No room to move around
Molecules of a liquid
• A little bit of molecules • Close together but not touching each other • All molecules are able to move around in the container
Molecules of a gas
• Few molecules • Very far apart from each other so they never touch • There is a lot of extra space in the container
Mass
A measure of how much matter is in a space
Melting
The change from a solid to a liquid
Freezing
The change from a liquid to a solid
Evaporation
The change from a liquid to a gas
Condensation
The change from a gas to a liquid
Physical Property
Any property that can be observed or measured using the five senses
Texture
How something feels
Hardness
How easily something can bend or dent
Size
How small or big a matter is
Color
A property that can only be observed using your sense of sight
Taste
Using your senses to distinguish between salty, sweet, bitter, sour, and spicy properties in the mouth
Shape
If an object is round, it will roll. If an object is flat, it will stay the same or slide
Odor
How an object smells
Magnetic
If an object contains metal, it will be attracted to a magnet