- 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) add water and filter
B) add water and evaporate
C) a magnet
D) sieve
E) distillation
- 5. What method could be used to separate iron filings from sand?
A) sieve
B) distillation
C) add water and filter
D) a magnet
E) add water and evaporate
- 6. Which is not a physical property?
A) boiling point
B) state
C) colour
D) combustible
E) melting point
- 7. What does the term INSOLUBLE mean?
A) does dissolve in water
B) does not dissolve in water
- 8. Salt was added to water. In this scenario the water is the:
A) colloid
B) solute
C) solvent
D) solution
- 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) solute
C) solvent
D) colloid
|