Grade 3 Matter & forces worksheet

What is on the worksheet

1. Matter and changes: which term fits this description? A change from gas to liquid.

   1. Mixture
   2. Volume
   3. Deposition
   4. Condensation

2. Matter and changes: which term fits this description? A measure of an object's inertia, expressed in kilograms in SI.

   1. Mass
   2. Density
   3. Conductor
   4. Gas

3. Matter and changes: which term fits this description? A direct change from gas to solid.

   1. Mass
   2. Deposition
   3. Chemical change
   4. Physical change

4. A rough surface may slow a sliding object through

   1. pollination
   2. photosynthesis
   3. friction
   4. condensation

5. Matter and changes: which term fits this description? A combination of substances not all chemically bonded into a single pure substance.

   1. Mixture
   2. Physical change
   3. Density
   4. Freezing

6. Ice becomes liquid water. What happened?

   1. condensation
   2. melting
   3. freezing
   4. magnetism

7. Matter and changes: which term fits this description? The substance described as being dissolved in a solution.

   1. Sublimation
   2. Condensation
   3. Solute
   4. Chemical change

8. Matter and changes: which term fits this description? A material through which electricity or heat can pass relatively readily.

   1. Conductor
   2. Solid
   3. Density
   4. Deposition

9. Matter and changes: which term fits this description? A state of matter that expands to fill the available container.

   1. Solid
   2. Gas
   3. Condensation
   4. Solution

10. Which material is generally a good conductor of electricity?

    1. Rubber
    2. Copper
    3. Glass
    4. Dry wood

11. Which observation describes flexibility?

    1. The strip blocks light.
    2. The strip is red.
    3. The strip weighs 8 g.
    4. The strip bends without breaking.

12. A toy stops after being pushed. Why does that not show it has used up a substance called force?

13. Matter and changes: which term fits this description? The dissolving medium in a solution.

    1. Solvent
    2. Volume
    3. Solute
    4. Liquid

14. Matter and changes: which term fits this description? A direct change from solid to gas.

    1. Chemical change
    2. Sublimation
    3. Freezing
    4. Solid

15. Matter and changes: which term fits this description? Separating insoluble particles from a fluid using a porous barrier.

    1. Filtration
    2. Solution
    3. Solvent
    4. Liquid

16. Give an example in which a force changes an object’s shape without moving it across a room.

17. Does bending a wire necessarily create a new chemical substance?

    1. Yes, every shape change does.
    2. No.
    3. Only if it is long.

18. A towel takes up a spill. Which property is useful?

    1. transparent
    2. shiny
    3. brittle
    4. absorbent

19. Opening a drawer toward you is mainly a

    1. sound
    2. shadow
    3. pull
    4. melt

20. Why can a very strong material still be unsuitable for a task?