Particle Nature of Matter
Classification of Matter
Properties of Matter
Chemical Changes
Physical Changes
100
The 3 states of matter.
Solid, liquid, gas
100
This classification of matter is broken down into elements and compounds
Pure Substances
100
These 2 things make up matter.
Volume and mass
100
We know there is a chemical change when...
a new substance forms.
100
A physical change has occurred when no new what has formed?
substance
200
Particles of matter cannot be seen because they are...
tiny
200
This piece of matter can be classified as this
Element
200
Identify this property as physical or chemical: magnetic
Physical
200
When something is burned, is it always a chemical change?
Yes
200
Give an example of a physical change.
Cutting up a banana
Tearing paper
Mento and soda
making a smoothie with chopped up fruits & hotdog
300
There appears to only be 970 ml of these two liquids when 500 mls of each is mixed because the smaller particles fill in spaces.
Water and Alcohol
300
This describes the difference between a homogeneous and a heterogeneous mixture.
Uniform distribution
300
Identify this property as chemical or physical: flammability
chemical
300
Why is toast a chemical change from bread?
We burnt it and created ash.
300
Is changing from a solid to liquid to gas an example of a physical change?
Yes
400
Particles (molecules) do this when the temperature decreases.
Move slower and closer together.
400
This is the classification of matter for methane gas, which can also be written as CH4
Compound
400
This property relates the mass of a sample of matter to it's volume. It can be used to tell 2 substances apart.
Density
400
When gas is formed in a chemical reaction, it will appear as this
bubbles
400
When ice melts, thermal energy is (choose one): needed / released
Needed
500
Particles (molecules) do this when they are heated up.
Move faster and farther apart.
500
This classification of matter can be split into homogeneous or heterogeneous.
Mixtures
500
Identify this property as physical or chemical: solubility (the act of dissolving)
Physical
500
When energy is released in a chemical reaction, chemicals bonds are doing this
Being formed
500
Dry ice undergoes this process
Sublimation