15. Fun with magnet

15. Fun with magnet

1. A temporary magnet created when current flows through wire wrapped in coils around an iron bar

1) Insulator
2) Electricity
3) Electromagnet
4) Magnet

2. Come together means

1) Attract
2) Magnet
3) Repel
4) Pull

3. Source of energy for the body that include sugars and starches.

1) Calorie
2) Carbohydrate
3) Mineral
4) Protein

4. Electricity

1) makes magnets weaker
2) makes magnets stronger
3) turns magnets into turkeys
4) does not affect magnets

5. The electricity that flows through a circuit

1) Electric Current
2) Circuit
3) Conductor
4) Insulator

6. A material like metal or water through which electricity will flow

1) Current
2) Insulator
3) Circuit
4) Conductor

7. The strength of a magnet

1) Magnetic Force
2) Repel
3) Attract
4) Pull

8. Which elements are magentic?

1) just iron
2) Iron, cobalt and nickel
3) cobalt and sodium
4) iron and lead

9. Elements like Iron are ferromagnetic. This means...

1) their domains are alligned
2) electrons are spinning in the same direction
3) all of these
4) they have a magnetic field

10. A material through which electricity does NOT flow

1) Conductor
2) Resistor
3) Current
4) Insulator

11. The rotation of the earth makes it an even stronger magnet

1) true
2) false

12. Magnetic poles are

1) always north
2) where the magnetic energy is the strongest
3) the weakest part of the magnet
4) always south

13. Magnets have

1) magnetic poles
2) all of these
3) domains
4) magnetic atoms

14. The end of a magnet that attracts the south pole

1) North pole
2) Magnetism
3) Pull
4) Attract

15. An area of magnetic force created by a magnet

1) Magnetic Field
2) Magnet
3) Magnetic Force
4) Attract

16. The relationship between electricity and magnets

1) Electromagnetism
2) Magnet
3) Electricity
4) Resistor

17. Move Apart

1) Attract
2) Pull
3) Resist
4) Repel

18. A unit of food energy

1) Protein
2) Calorie
3) Carbohydrate
4) Mineral

19. How can a magnet be destroyed?

1) decreasing kinetic energy
2) bending
3) heating and dropping
4) breaking in half

20. A flow of energy

1) Circuit
2) Insulator
3) Conductor
4) Current

21. A circuit that is incomplete; the path has a gap or break

1) Series Circuit
2) Closed Circuit
3) Open Circuit
4) Parallel Circuit

22. Which magnetic properties does the earth have?

1) magnetic north and south
2) a magnetosphere
3) all of these
4) magnetic field

23. Magnetic fields

1) are where the magnetic force is
2) do not exist
3) are only located at the center of the magnet
4) are only located at the poles

24. Like magnetic poles

1) repel
2) stick to each other
3) attract
4) behave the same

25. Having the ability the attract (iron, nickel, cobalt)

1) Pull
2) Magnetism
3) Magnetic Force
4) Attract

26. A circuit in which electricity flows in only one way

1) Parallel Circuit
2) Series Circuit
3) Open Circuit
4) Closed Circuit

27. A circuit that has two paths through which current CAN flow

1) Series Circuit
2) Closed Circuit
3) Open Circuit
4) Parallel Circuit

28. A device that controls the current in a circuit

1) Resistor
2) Insulator
3) Switch
4) Conductor

29. A circuit with no gaps or breaks in the path.

1) Parallel Circuit
2) Open Circuit
3) Closed Circuit
4) Series Circuit

30. A material through which electricity has difficulty flowing

1) Conductor
2) Resistor
3) Switch
4) Insulator

31. Substance in foods that provide energy for growth

1) Nutrients
2) Mineral
3) Calorie
4) Carbohydrate

32. the end of a magnet that attracts the North pole.

1) Magnetic Force
2) Attract
3) North Pole
4) South Pole

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