Tag Archives: vinegar

Cleaning Pennies

Copper pennies always appear very dull even though copper metal is naturally much brighter. In the experiment we will find out why pennies look so dull and the best way to clean them. You will need Some dull looking pennies Small bowls or pots Salt Vinegar Kitchen roll Teaspoon Method Keep a few pennies out…

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…