Physical
Chemical
Chemical or Physical Change?
Mixtures & Solutions
Misc.
100
Define Physical change
What is a change in the appearance of matter?
100
Define a chemical change.
What is: A change in matter where a new form of matter is created?
100
Folding, Cutting, chopping
What is physical?
100
Explain why sand does not dissolve in water.
What is sand is not soluble in water? (water cannot dissolve it)
100
Name at least 3 physical properties.
What are: color, shape, texture, luster, density, odor, state?
200
Term for when a gas changes to a liquid
What is condensation?
200
The matter you start with in a chemical reaction
What is reactant?
200
Rusting, rotting, burning
What is chemical?
200
Explain why seawater is a solution
What is: the sand has been dissolved by the water completely?
200
Name the three states of matter.
What are: solid, liquid, gas?
300
Give an example of a change in state
What is something frozen melting, water evaporating with heat, and water vapor condensing into water when it cools?
300
Newly formed matter from a chemical reaction
What is product?
300
Crushing, melting, evaporating
What is physical?
300
Matter made up of two or more substances combined physically
What is a mixture?
300
Tell an easy way that you could separate iron fillings and sand
What is with a magnet?
400
Give an example of a physical change
What is: crushing crackers, shattering glass, melting, evaporating, freezing, condensing, cutting, folding, shattering, etc.
400
Give an example of a chemical change
What is: wood burning, metal rusting, fireworks, making waffles, etc.
400
Baking, batteries, fireworks
What is chemical?
400
A mixture in which the matter is mixed evenly
What is a solution?
400
A chemical change is also called...
What is a chemical reaction?
500
If you place a glass of water in the freezer, explain what will happen next and what type of change it is.
What is: it will freeze into ice; physical change?
500
Clues that a chemical change has happened
What is: change in color, state, odor, temperature, energy? Also bubbling
500
Explain the difference between a physical and a chemical change.
What is: in a physical change, the kind of matter is not changed/new matter is not formed...in a chemical change, a new kind of matter is formed
500
Explain the difference between a mixture and a solution.
What is: a mixture is only combined physically and can easily be separated; a solution is a type of mixture but cannot be easily separated because the matter is mixed evenly
500
This type of change is taking place when an antacid tablet dissolves in water
What is a chemical change/reaction?
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