Tag Archives: carbon dioxide

Lava Lamps

Have you ever seen a lava lamp? Well… in this awesome experiment you can make your own! You will need Tall / large clear glass or plastic cup Oil Water Food colouring Fizzy tablet (vitamin C or Alkazeltzor tablets work well) Method Fill the glass a third with tap water. Add food colouring of your…

Fizzy Trays

These fizzy explosions of colour will provide hours of fun! You will need A tray (a baking tray works well) Bicarbonate of soda/ baking powder Clear vinegar Small pots x 2 Food colouring Teaspoon or medicine syringe Method Sprinkle some bicarbonate of soda onto your tray evenly. Into your small pots pour some clear vinegar…