States of Matter
Properties of Matter
Classifying Matter
What is Chemistry?
Acids & Bases
100
Anything that has mass and takes up space (volume).
What is matter?
100
Density, melting point, boiling point, melting point.
What are quantitative properties? Properties you can measure using simple tests.
100
A combination of 2 or more pure substances.
What is a mixture?
100
Chemistry
What is the study of matter and its physical & chemical properties?
100
Has a sour taste and reacts with metals.
What is the property of an acid?
200
Chopping wood.
What is an example of a physical change?
200
Lustre, colour, clarity, texture, taste, odour.
What are qualitative properties? (Properties you can observe using your senses)
200
A substance that contains only one kind of particle such as a diamond.
What is a pure substance?
200
The variable that is changed in an investigation.
What is the independent variable?
200
Compounds that form solutions that can break down fats and oils.
What is a base?
300
Burning a log or frying an egg.
What is an example of a chemical change?
300
A clear, colourless liquid that can be split into two gases with different properties.
What is water? (H2O)
300
A gas that has electricity running through it and is sometimes considered to be a fourth state of matter.
What is plasma?
300
All known elements on earth are recorded here.
What is the periodic table?
300
Battery acid 0.5, lemon juice 2.0.
What is the pH of strong acids?
400
Changes of state like melting, freezing, evaporation, condensation, and sublimation.
What are physical changes?
400
You can not see light through it; light will not pass through.
What is opaque?
400
The simplest form of a substance that can not be broken down.
What is the definition of element?
400
The conditions that remain unchanged in an experiment, so you have a reliable result.
What is the controlled variable?
400
A compound that is neither an acid or base and has a pH of 7?
What is neutral?
500
Colour change, new substance produced, heat given off, bubbles of gas formed, precipitate formed.
What are 5 clues a chemical change has occurred?
500
A mixture that is the same throughout.
What is homogenous?
500
A cloudy mixture in which clumps of a solid or droplets of a liquid are scattered throughout a liquid or gas.
What is a suspension?
500
The variable that is affected by a change. Eg. the amount of rust on pieces of metal submersed in a salt & water solution.
What is the dependent variable?
500
The property scientists use to identify solutions by the effect of acids and bases on a dye.
What is litmus?
M
e
n
u