Question 6
In this activity, you will use a model to show how current flows in a circuit.
Work in groups of four to six.
You will need: a ball of string, scissors, coloured tape or coloured marker pen.
Safety: Do not pull string quickly through your hands as it can cause burns.
1 Tie the ends of the string together to form a large loop. The loop must be long enough to be held by all the people in the group. Attach coloured tape or make coloured marks on the string at equally spaced intervals. The intervals should be about 10 cm long.
2 In your group, stand in a circle facing toward the centre of the circle.
3 Each person should hold the loop of string in front of them in both hands, so the string forms a circle. Hold the string so that it is quite tight but can move.
4 The people in the group are the components in the circuit. One person is the cell. The person who is the cell must pull the string around through the hands of the other group members. The other group members can be components such as lamps or buzzers.
5 Watch how the string moves. Use the coloured marks to see the movement of the string.
Work in groups of four to six.
You will need: a ball of string, scissors, coloured tape or coloured marker pen.
Safety: Do not pull string quickly through your hands as it can cause burns.
1 Tie the ends of the string together to form a large loop. The loop must be long enough to be held by all the people in the group. Attach coloured tape or make coloured marks on the string at equally spaced intervals. The intervals should be about 10 cm long.
2 In your group, stand in a circle facing toward the centre of the circle.
3 Each person should hold the loop of string in front of them in both hands, so the string forms a circle. Hold the string so that it is quite tight but can move.
4 The people in the group are the components in the circuit. One person is the cell. The person who is the cell must pull the string around through the hands of the other group members. The other group members can be components such as lamps or buzzers.
5 Watch how the string moves. Use the coloured marks to see the movement of the string.
