Let’s try this :
Place some iron filings on a sheet of paper and pass a bar magnet by holding it in the centre. What do you see ?

Let’s try this : Take a bar magnet that can be cut with scissors or a knife. Take iron filings on a sheet of paper and place the magnet on it. Most of the iron filings will be seen to stick to its poles. Now cut the magnet into two pieces as shown in the picture and place those pieces on iron filings. Pick up each piece and observe. What do you find ?

Answer the following questions: place a clock near the end of the tubes and try to hear the ticking of the clock at the end of the other tube by placing your ear there. what do you observe?

Take the inside tray of a used up match box and place a small magnetic needle inside the tray . Now take a long connecting wire and wind it around the tray . Complete the electric circuit ny connecting in it , this wire , electric cell , plug key and a bulb as shown in the below figure .: Mark the position of the magnetic needle . take a bar magnet near to the magnetic needle .: What do you observe ? :

Let’s try this : Fix a powerful bar magnet to a stand as shown in the figure. Fix an iron bar at a short distance below the magnet. Take iron filings near the iron bar. What do you see ?

Let’s try this : Fix a bar magnet to a stand as shown in the figure. Let it become steady. Take another bar magnet near the hanging bar magnet. Observe what happens. Do the same again and again, exchanging the ends of a magnet. What do you see ?

Try this. Take a burning incense stick in your hand and rotate it fast along a circle. What do you see and why?