Articles Required : The aim of this science fair project is to create some rings of smoke
A box with a lid or opening
A suitable or a material to seal the opening
A source of smoke
Planning the Procedure
1. Cut a hole of 2 inches on the side opposite to the opening of the box.
2. Now fill the box with smoke.
3. When full immediately seal the box with a lid or cover
4. Gently squeeze or tap the box and see rings of smoke escaping through the hole