safe and easy science experiments

1. VOLCANO                                                                   

  

What you will need:

 Empty 250ml water bottle

Baking soda

  Red food colouring                               WARNING

  Funnel                                     Messy (do in sink or bathtub)

  Vinegar

  

Instructions:

   Fill 1/4 of the bottle with vinegar, next put in a teaspoon of red food colouring into the bottle.                  

   Now using the funnel carefully put in 3 teaspoons of baking soda then stand back and watch!

     3. INVISIBLE INK                                                    

What you will need :

Lemon

Cotton bud

White writing paper/ card

A clothes iron

Instructions:

                                                                                  

Juice the lemon into a bowl,

next dip the cotton bud into the lemon juice and

write your message onto the paper or card.

When you are done ask an adult to iron over the message to receive it.

  

    

2. JELLY EGG                              

What you will need:

Egg

Glass jar

  Vinegar

   

Instructions:

Place the egg into the jar, next fill the vinegar till it totally covers the egg, put on the cap.

Then wait for 24 hours

After 24 hours put on the disposable gloves and carefully remove the egg from the jar.

It should feel like rubber or jelly!