- 1. Give three examples of a chemical change:
- 2. Give three examples of a physical change:
- 3. What five things do you look for in order to see if a chemical change (or reaction) has taken place?
- 4. What method could be used to separate sand from sugar?
A) a magnet
B) sieve
C) add water and evaporate
D) add water and filter
E) distillation
- 5. What method could be used to separate iron filings from sand?
A) a magnet
B) add water and filter
C) distillation
D) add water and evaporate
E) sieve
- 6. Which is not a physical property?
A) combustible
B) melting point
C) colour
D) boiling point
E) state
- 7. What does the term INSOLUBLE mean?
A) does not dissolve in water
B) does dissolve in water
- 8. Salt was added to water. In this scenario the water is the:
A) solvent
B) solution
C) solute
D) colloid
- 9. List 5 physical properties and 5 chemical properties (use headings to show which is which):
- 10. Sugar is added to water. In this scenario the sugar is the:
A) solution
B) colloid
C) solute
D) solvent
|