Appropriate grades or age groups:
K-6

Estimated time to complete this project:
One day

Materials:
wood
nails
screws
wire
wooden board
hammer
screwdriver
logbook and pencil

What is the hypothesis of this science project? What does the experiment aim to prove?
The screw will be stonger. The screw is stronger than the nail.

Instructions:
1.Tie a piece of wire to the nail and the screw.
2.Use the hammer and the screwdriver to put the nail and screw into the board.
3.Hold the wire in the middle while putting wood onto the board.
4.Keep doing this until one breaks off the board.
5.Once done record your results.