Okay… let’s think about it.
Sand Paper T.P.
Brick Pillows
Furry Dishes
Rubber Knife
Glass Basketball
Structure - Function
THEY HAVE TO AGREE!!!
So how do we make that happen?
By knowing the
PHYSICAL PROPERTIES
A PHYSICAL PROPERTY is a characteristic that
can be observed or measured WITHOUT
changing the identity of the matter.
COLOR
How an object reflects light
SHAPE
The form of the object
TEXTURE
How something feels
Soft
Hard
Slick
Fluffy
Wet
Smooth
Rough
Warm
LENGTH
Measurement from one point to another point
MASS
Amount of matter something is made of
•
How is it measured?
VOLUME
Amount of space taken up
LxWxH
Water Displacement
DENSITY
Mass per unit volume of a substance (mass
I love density:
Very dense
mass
volume
m
V
Not as dense
volume)
STATE of Matter
Physical form in which a substance exists
• SOLID
LIQUID
GAS
PLASMA
SOLUBILITY
Ability of a substance to dissolve in another
substance
• Dissolves
Will not dissolve
Magnetic
Is the object attracted to a
magnet?
Not all metals are attracted
to a magnet.
Only iron, cobalt, and nickel
are attracted to a magnet.
LUSTER
How shiny it is
Any guesses?
Thermal Conductors
Allows heat to pass through easily
GOOD
POOR
Electrical Conductors
Allows electricity to pass
through easily
GOOD
metals
POOR
Air, rubber,
plastic, glass
MALLEABILITY
(ever heard of a mallet???)
Ability of a substance to be rolled or pounded
into sheets such as…
DUCTILITY
(can you tell)
Ability of a substance to be pulled into wire