STYLE GRADE 5 ELEMENTARY SCHOOL SEMESTER 2
ANSWERING PROBLEMS.
1. What is that style? Style is a pull or push that makes things move.
2. Mention the various styles? a. Magnetic force. b. Gravitational force c. Friction force.
3. What is a magnetic force that? Magnetic force is an attractive magnetic force certain objects.
4. What is a magnetic thing that? Magnetic objects are objects that can be drawn magnet. Magnetic objects can be divided into three mentioned? a. Things ferromagnetis b. Things paramagnetis c. Diamagnetis objects. 

5. What is the object ferromagnetis it? Objects which can be drawn very strongly by the magnet.
6. What is the object paramagnetis it? Objects that can be drawn with the weak by the magnet. 


7. What is the object diamagnetis?
Diamagnetis objects are objects that experienced by the magneticrepulsion.

8. Give examples of objects Ferromagnetis?
Steel, nickel and iron.

9. Give examples of objects paramagnetis?
aluminum and platinum.

10. Give examples of objects diamagnetis?
zinc.

11. Strength of the magnetic attractive force is influenced by 2factors mentioned?
a. The thickness of the object prohibitive.
b. Distance magnet with magnetic objects.

12. There are two kinds of magnets mentioned?
a. Natural magnet.
b. Artificial magnet.

13. Magnetic shape there are several kinds of state?
a. Bar magnet.
b. Magnetic tube.
c. Magnetic needle.
d. U Magnet
e. Horseshoe magnet / horseshoe.

14. Where is the greatest strength of the magnetic yg?
The biggest strength of the magnet which at the ends of the magnet.



15. If the magnetic poles are brought near namesake it will happen...?
Reject reject

16. When the magnetic poles which are not brought nearnamesake, there will be style?
Pull interesting.

17. What is meant by a magnetic field?
The magnetic field is the room or area that still has the effect of magnetic force.

18. What do you call the lines that describe the pattern of magnetic fields?
Lines of magnetic force.

19. In the section where the lines of magnetic forcethat the mosttightly ?
The lines of magnetic force most meetings at the end of themagnetic pole.

20. What are some ways to make magnets?
a. How to rubbing.
b. How Induction
c. How electromagnets.

21. Magaimana rubbing how to make magnets?
way is by rubbing a magnet on a rod of iron or steel, the longer thelonger rub magnetic properties.

22. Where How do I create a magnetic induction?
by gluing objects made ​​of metal (iron / steel) with a magnet.

23. How do I make an electromagnet?
Nail a big elbow dililiti naked wire / coil, then the ends of the wire is connected with current sources. (battery / batteries).



24. Who was the first to make an electromagnet?
Hans Christian Oersted (1819).

25. How where how an electromagnet for a strong magnetic force?
By increasing the number of coils.

26. Mention examples of devices that use magnets?
- electric bell; tip screwdriver; chessboard, close the refrigerator,generator, etc. The lid of the pencil.

27. The pattern which is formed by the magnetic field is called?
lines of magnetic force.

28. Magnetism comes from the word?
Magnesia.

29. Red compass needle which indicates the direction ...?
north
Things are always falling ground earth why?
because gravity forces .

30. Earth's gravity is often called ...?
Force of gravity.

31. The occurrence of high tide and ebb at sea because of what'shappening?
Gravity forces

32. Force of gravity is affected by ...?
mass of the body.



33. Magnets are distinguished on the appliance for transport ofiron objects made ​​by ...?
Electromagnet.

34. If the distance of the magnet with magnetic objects far away,the magnetic attractive force would be ...?
increasingly weak.

35. Magnet which is made by rubbing is ...?
temporary.

36. Bicycle brake which maximally activated, will stop the bike.This occurs because the force ......?
friction force.

37. Magnets are distinguished on the appliance for transport ofiron objects made ​​by ...?
Electromagnet.

38. If the distance of the magnet with magnetic objects far away,the magnetic attractive force would be ...?
increasingly weak.

39. Magnet which is made by rubbing is ...?
temporary.

40. Bicycle brake which maximally activated, will stop the bike.This occurs because the force ......?
friction force.



41. Gravity forces has no effect anymore on .....?
space.

42. Substance frictional with falling objects are ....?
air.

43. For motorcycle tires has a strong grip, on the surface created....?
grooved.

44. Style that occurs in the ball rolling on the floor is ....?
friction.

45. Give examples of objects ferromagnetis?
iron, steel and nickel.

46. State the advantages friction?
- Able to control the objects that are not easily slip
- stop a moving object.
- hold the objects so as not to shift.

47. State the friction loss?
- impede the motion of objects.
- erode the friction surfaces.
- waste of energy to overcome friction.

48. How do I reduce the force of friction?
- give ball bearings
- provide lubrication.
- smooth the surface of the track.

49. When did the force of friction?
when two objects rub against each other.

50. Objects that produce a large friction?
rubber.

51.Apa tool to measure the force?
Spring balance.

52. What unit of force?
Newton.



53. Magnet which is made by mengliri electric current is called ....?
electromagnet.

54. Style interesting objects in the room space is ....?
the force of gravity.

55. Magai where I eliminate the nature of magnetism?
- burned
- pounded
- decided to channel electrical current

56. Why are all kinds of machines require lubrication?
as to reduce friction.

57. What happens when the body is free of style?
be silent.





HAPPY LEARNING!







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Comments

1 Response to 'PROBLEMS "STYLE"'

  1. Krizetya'z wiFroG
    http://inovasi-wwwagustyok.blogspot.com/2011/04/problems-style.html?showComment=1303190263481#c2352112777842105128'> 18 April 2011 pukul 22.17

    pak agus Setyoko sometime please give question without an answer
    thanks ...... greeting to his disciples ...

     

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