 |
 |
 |
 |
 |
|
Binary abacus (Ref. P.172 Step 5). TO CARRY 1, pull down the s...
|
These young people are taking aprt in a game that shows how a ...
|
These young people are taking part in a game that shows how a ...
|
These young people are taking aprt in a game that shows how a ...
|
These young people are taking aprt in a game that shows how a ...
|
 |
 |
 |
 |
 |
|
These young people are taking aprt in a game that shows how a ...
|
This 'binary box' changes decimal numbers into the binary numb...
|
Mark a cross with a pen on an inflated balloon. Use a woollen ...
|
Dark-coloured paper, graphite pencil, talcum powder, tray, 2 b...
|
Place some talcum powder on a tray. Ask a friend to agitate th...
|
 |
 |
 |
 |
 |
|
Once enough powder has stuck to the balloon, carefully hold th...
|
Repeat step 1 with a new balloon. Once the balloon is charged,...
|
Noew repeat steps 2 and 3. The centre of the charged disc has ...
|
Boy standing at a shop window and demonstrating how a glass su...
|
Desk lamp, cutting surface, plastic food wrap, pot of matt bla...
|
 |
 |
 |
 |
 |
|
Ask an adult to cut a hole in a narrow side of the box, using ...
|
Immerse the tube in the bowl until it completely fills with wa...
|
Push the tube through the hole so that the covered end is insi...
|
Upper part of a desk lamp.
|
The light trvels through the water and is reflected by the tub...
|
