Appropriate grades or age groups:
5-8

Estimated time to complete this project:
1 day

Materials:
scissors
tin foil
large bowl
pennies

Instructions:
Cut out tin foil into medium shapes and bend around the edges about 3 cm high. Fill bowl with water and place 1 shape inside and see how many pennies it can carry. Do this until all shapes have been done.

Other comments or suggestions:
This is a grade saver.