Electricity and Magnetism

Rubbing the balloon makes it negatively charged and both the salt and pepper are attracted to it. However, the pepper grains...

At home 5-11 11-14

Fridge magnets are made from thin strips of magnets with alternating north and south poles. As you try to slide the magnets...

At home 5-11 11-14

Rubbing the straw makes it negatively charged and this induces a positive charge in your hand. The attraction between the...

At home 5-11 11-14

The tinsel will touch the balloon, be repelled and start floating! Use the balloon to direct where it goes. If your UFO won’t...

At home 5-11 11-14

Waving the electrically charged balloon close to the bulb causes a current to flow through the charged gas inside the bulb and...

At home 5-11 11-14

You should hear, feel and maybe even see a tiny spark! Rubbing the polystyrene makes it negatively charged. This excess charge...

At home 5-11 11-14

Cracking sugar or ripping apart glued surfaces separates positive and negative electrical charges. When they recombine the...

At home 5-11 11-14

When you rub the balloon against your hair, electrons are transferred from your hair to the surface of the balloon, so that it...

At home 5-11 11-14

When the comb is about 3cm away, the water bends towards it! Some objects, like hair and plastic, develop an electrical charge...

At home 5-11 11-14

The match moves as the balloon does! Rubbing the balloon transfers negatively charged electrons to it, repelling electrons in...

At home 5-11 11-14

The slime is made of tiny particles of starch surrounded by oil. Rubbing the object makes it negatively charged and it...

At home 5-11 11-14