Appropriate grades or age groups:
6-8

Estimated time to complete this project:
2-4 days

Materials:
2 2x4 boards
4 screws
4 nails
1 hammer
1 screwdriver
saw

What is the hypothesis of this science project? What does the experiment aim to prove?
is a screw stronger than a nail

Instructions:
saw both of your boards in half,then take your screw and screw two of your boards togetherfinally take your other two boards and nail them together.

Other comments or suggestions:
have fun,must have an adult with you