9.1
What is color of south pole?
blue
Who is invented first magnet?
Greek and chinees peoples
What is electro magnet?
One way to magnetise a magnetic material is by using electricity.
When this method is used, the magnet is called an electromagnet.
Jamila says "The South always attract to North"
Is she correct
no because Always North to South
What animals can detect the north or south pole
birds
What is pernament magnet?
A permanent magnet is a material that stays magnetized on its own, without any electric current.
How you can detect a manetic field?
With compass
Name the equipment used to navigate Earth's magnetic field.
compass
What is magnetised?
This means turned into magnet
Ahmad says the compass detect all poles
Is he correct
No beacuse compass always detect only North
A bar magnet is allowed to rotate freely. Explain which pole of the
bar magnet will point towards geographic north.
North-seeking pole (N pole) points to geographic north.
What is coil?
The wire that wrapped around is the called coil
Can you say materials that attract to the magnet(three)
Iron,nickel,cobalt
What part of the Earth's structure causes the Earth's magnetic field?
Earth’s outer core
What is core?
The material in the middle of the coil is called the core