What you need:
2 jars the same size, salt, 2
eggs, a teaspoon.
What to do:
1. Pour equal amounts
of water into the 2 jars.
2. Put 5 teaspoons of salt into
one of the jars and stir the
water until the salt had dissolved.
3.Gently put an egg into each jar and watch what happens.
The egg in the salt water floated.