What property of magnet that is shown by the picture?
Magnetism can pass through non-magnetic materials
Mention 3 objects that use magnet!
maglev train, telephone, doorstop, laptop, magnetic board, compass, scrapyard magnet
Explain why a studio's wall is layered with foam.
To prevent sound from outside is heard inside the studio.
Part of the lightbulb that heats up and gives off light when electricity pass through it is called ... .
Filament
Draw a symbol of a lightbulb.
How can we change the pitch of this instrument?
Change the tension, the thickness, and the length of the vibrating string
Mention the shapes of the magnets.
U-shaped, bar, ring, horseshoe, and rod/ cylinder
This appliance is powered by ........ (mains/battery).
battery
Explain what will happen to the magnet.
There will be two magnets now as each broken magnet will also have two poles,
Why can't we hear sound in space?
Because it is a vacuum (no medium for the sound to travel).
Mention 4 metals that are magnetic.
Steel, iron, nickel, cobalt
This symbol represents ... .
Three batteries or three cells
What type of instrument is it? How to produce sound with it?
Violin, string instrument, vibrate the string using a bow
Draw an open circuit diagram with an open switch, two cells, and a bulb.