Lesson 8

Can you read a circuit diagram?
It only takes six stick drawings to do it.
What does each mystery circuit do?

1 The Next Challenge! 2 wire battery buzzer motor light bulb switch Draw each symbol on a piece of paper. Here are the stick diagrams or symbols
for each of the parts in your kit.
3 Here is the first circuit you built. Draw this circuit on a piece of paper
using the stick symbols from the last slide.
Add a switch to your diagram. Did your drawing look like this?
4 Here is your first circuit with a motor. Draw this circuit on a piece of paper
using the symbols for a motor and a battery.
Did your drawing look like this? Add a switch to your diagram.
5 What will happen when you close the switch? Click Here For Answer 3V 6 What will happen when you close this switch? Click Here For Answer 1.5V 7 What will happen when you close the switch? Click Here for Answer 1.5V 8 What will happen when you close this switch? Click Here for Answer 1.5V 9 What will happen when you close the switch? Click Here for Answer 1.5V 10 Remember, the LED
is a ONE WAY part.
The longer lead on the LED
must be connected to
the positive terminal
of the battery.
This is the symbol for the LED. The PLUS line
on the battery
is longer.
11 In a circuit diagram
the LED symbol must be connected correctly to the battery!
Click on the PLUS or POSITIVE side
of each of these LED and battery symbols.
12 If you close the switch in each of these circuits what will happen? Click Here for Answer Click Here for Answer 3V 3V 13 DC Construction Kit To change a circuit to its diagram
within the DC Construction Kit:
CLICK ON the battery symbol. Try it for yourself.
14 Can you answer these questions? 15 Here are Electricity questions
children are asked in England.
The students are older than you are.
How many could you answer?
Click on the Flag
16