Magnet Unit TestMatch the object to its purpose/use. Write the correct letter from the purpose/use on the line next to the object.

Object Purpose/Use1. __2. __3. __4. __5. __6. __7. __8. __9. __10. __

TVCompassDoor BellComputerCredit CardFridge MagnetMagnetic DoorsMagnetic LabelsMagnetic FlowerMagnetic golf ball marker

a. Keeps doors openb. Sticks to the glovec. Makes the display colourd. Helps someone buy thingse. Stores data like homeworkf. Helps makes the sound, “ding dong!”g. Holds it to your clothes without pinsh. Holds up fancy design and/or paperi. Points north so you can find your directionj. Holds onto the whiteboard so teacher and

students can read it

11. Label all the poles on the following magnets:a.

b.

12. Label all the poles on these ring magnets?

Write the word that describes what is happening to these magnets:

13. ________________________

14. ________________________

Fill in the blanks for the next 2 questions:

15. ____________ means a pushing force

16. ____________ means a pulling force

______________________

______________________

______________________

______________________

17. Circle the things that are magnetic:

18. Like steel, what are the 3 other metals that are magnetic?

a. ____________

b. ____________

c. ____________

19. How many poles does a magnet have? ______

20. How many poles does the Earth have? ______

21. Name 2 things that a magnetic field will pass through

________________________ ________________________

SNIC

Write the correct letter in the spaces. Use the diagrams to help you answer.

22. Which magnet is the strongest? _______

23. Which magnet is the weakest? _______

19. This is a magnet shown with its magnetic field. Circle the item on the right that will it not pass through?

9 paper clips

21 paper clips

14 paper clips

3 paper clips

a.b.

c. d.

1 cm

5 cm 10 cm 20 cm12 cm

Circle which magnet you need to attract the SNIC from the underneath?

In your own words, write a rule for when poles will attract or repel each other.

__________________________________________________________

__________________________________________________________

Name 2 things that you learned in this unit.

__________________________________________________________

__________________________________________________________

__________________________________________________________

What experiment did you like the most?Name of experiment: __________________________________________

What did you learn from it? _____________________________________

__________________________________________________________

__________________________________________________________

SNIC3 cm

2 cm 4 cm 1 cm