Write questions in your notebook, then answer.
- Define matter in a complete sentence.
- List the three common states (phases) of matter:
- Which state of matter has:
- no definite shape, nor definite volume
- no definite shape, but definite volume
- definite shape and definite volume
- List three physical properties of matter.
- When matter undergoes a physical change, has its physical properties changed? Give an example.
- When matter undergoes a physical change, does the composition of the matter change? Give an example.
- After a chemical change has the physical and chemical properties of a substance changed? Give an example.
- Give two examples of common items that use chemical change.
After recording in your notebook, tell whether the following are chemical or physical changes:
- mixing salt and pepper
- freezing water
- cutting a marshmallow
- toasting a marshmallow
- burning wood
- adding chocolate syrup to milk
- iron rusting
- melting sugar
- breaking glass
- boiling water
- magnetizing a piece of steel
- melting wax
- burning wax
- hammering gold into a thin foil
- pouring molten gold into a mold
- dissolving sugar in water