Bridges

Bridges

Problem:

Put 2 duct tape on the bridge and make it hold for a span of 1 minute.

Materials:

Tape

Cardboard roll

straw

string

paper

pipe cleaner

Scissors

How to make the Bridge/Procedure:

• Measure the Beams
• Cut the Beams and some straws
• Stick and connect the beams straw
• Fold the paper to make a rail
• Bend the straw.
• Construct the cables
• Put on the bridge on the beams

Our Bridge held for around 25 seconds.

However our bridge collapsed, so we fixed our beams. We made our beams shorter to make it more sturdy.

The we will test it again.