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The particle in gas and liquid can ………………………, it’s the reason why the shape and the volume in gas and liquid can changes.
Move around
The particles in solid only can……………, it’s the reason why the shape and the volume in solid always same.
Vibrate
The state of matter that can be compressed……
Gas
The name of process changing of matter when liquid become solid……..
Freezing
The name of process changing of matter when solid become liquid……..
Melting
The name of process changing of matter when liquid become gas……..
Evaporation
The name of process changing of matter when gas become liquid……..
Condensation
The name of process changing of matter when gas become solid……..
Deposition
The name of process changing of matter when solid become gas……..
Sublimation
Explain about the right hand's rule
the thumb finger represents the north pole, the four fingers are represent the direction of the current.
How to make more strong electromagnet
add the number of turns wire, add more batteries
What is the tools that you need to make an electromagnet, can you mention the example of object that use the theory of electromagnet
nail, copper coil, battery. The example are motor, electric bell, trafo
Draw the direction of magnetic field
from north to south
Where the magnetic field strongest in a magnet? Explain the reason
at the corner, because the line of magnetic field are close each other at the pole/corner
What is the name of the process in this picture? label the pole in a bar steel that already magnetized.
on the left North, on he right South
When a north pole is close to a north pole, the magnet will be……………….
Repel each other
When a north pole is close to a south pole, the magnet will be………………..
attract each other
Explain how steel and aluminium cans can be separated using a magnet.
mix aluminium and steel cans on conveyor belt, steel cans will be attracted by the electromagnet, but the aluminium
Mention types of magnetic that you know.
Bar, Horseshoes, Needle, Cylindrical, Oval Shape, Ring
Mention 3 objects around you that use magnet.
Refrigirator, speaker, tv
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