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Experiment – Plastic Straw Bridge Challenge

Read the Experiment

Read the following experiment, or click on the play button below to listen aloud.


Plastic Straw Bridge Challenge

Build a bridge out of straws that holds as much weight as possible.

What You Need

  Plastic straws

  Masking tape


  100 nickels in a plastic cup

  2 desks of equal height

What You Do

1. Sketch out a design of a bridge before building it.

2. Use only scissors to cut the straws. 

3. Use only masking tape to hold the bridge together. 

4. The bridge should span two desks 100 cm apart.

5. Once complete, test the bridge by seeing how many nickels it can hold. 

Now, show what you know!

Complete some questions about the experiment by clicking “Begin Questions” below.

Brain Stretch: Try this challenge using another material such as spaghetti!