Electrical phenomena result from a fundamental property of matter - electric charge. The atoms that constitute most matter we...

Teaching Guidance 14-16

Having introduced what is involved in measuring electric currents, the pupils are now given the opportunity to make some...

Classroom Activity 11-14

We suggest that you use parts of the circuits here to allow your class to concentrate on two aspects of the behaviour of...

Classroom Activity 11-14

The following question, on electrical current, was set to a group of students after their 11–14 teaching on electric circuits...

Teaching Guidance 14-16

There are two main aims for this episode: to present a range of examples involving different types of charge carrier, and to...

Lesson 16-19

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

Enrichment Activity 5-11 11-14

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

Enrichment Activity 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...

Enrichment Activity 5-11 11-14

The dill will follow the balloon as you move it about. Some might even leap up to meet the balloon! Rubbing the balloon makes...

Enrichment Activity 5-11

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

Enrichment Activity 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...

Enrichment Activity 5-11 11-14

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

Enrichment Activity 5-11 11-14