Everything that has mass and takes up space
Matter
4000
4 x 103
Substances that are combined but do not change chemical composition
Mixtures
This type of change keeps all the original chemical identity of the substance.
Physical
Mass divided by volume
Density
Write the following number in Scientific Notation.
0.0004
4 x 10-4
Mixtures that allow you to see the separate parts
Heterogeneous
Give an example of a pure substance.
Any element or compound...
The unit used for Density
g/ml or g/cm3
State that has definite shape and size
Solid
Write the following number in Standard Form.
6.3 x 105
630,000
Mixtures that look uniform
Homogeneous
Chemical Change
This method used water to tell the volume of an abnormally shaped object
Displacement
Takes the shape of the container it is in
Liquid
Write the following number in Standard Notation.
7 x 10-7
0.0000007
Give an example of a Homogeneous Mixture
Gatorade, Tapwater, Paint...
A car smashes into a brick wall
Physical Change
4 g/mL
Takes the shape and volume of the container it is in.
Gas
Write the following number in Standard Notation.
14.3 x 10-8
0.000000143
Give an example of a Heterogeneous Mixture
Taco Salad, Trail Mix, Bowl of Nuts & Bolts
Color, Odor, Temperature Change, Light, Gas, Precipitate
What is the Mass of a 20 g/mL object with 2 mL volume?
40 g