Bed Of Nails Science Experiment - Free Science Experiments

How to Make a Bed Of Nails

Don't Click Here!

This reminds me of that old circus trick but you can do this version at home, right away, with “stuff” that you’ve already got!

What Do I Need?

  • Balloon
  • Piece of cardboard
  • Pack of drawing pins
Bed Of Nails - What Do I Need?

How Do I Do It?

STEP1 - Get an adult to help out and cut out a small square (about 10 cm wide) of cardboard.

STEP2 - Very carefully pop your drawing pins through in an even fashion so the pins are about 1cm apart.

STEP3 - Carefully turn your ‘bed of pins’ over so you can see your pins evenly spaced and sticking up into the air.

STEP4 - Blow up your balloon.

STEP5 - Lightly push your balloon down onto the centre of your pins. As long as you spread the load equally your balloon should be just fine.

WARNING: Be careful not to push your hand down onto the drawing pins as that would be painful.

If you think that might happen then just wear some gardening gloves for extra safety.

STEP6 - What would happen if you pushed a balloon onto just one drawing pin?

Bed Of Nails - How Do I Do It?

What’s Going On?

Did your balloon survive?

As long as you push your balloon down into the middle of a set of drawing pins you should be good to go but why does your balloon survive? It’s all because the pressure is shared between many pins.

When the balloon is just on one pin the pin goes straight through and your balloon pops. 

When you push down just as hard but the balloon is touching 10 pins then it’s as if each individual pin is only pushing one tenth of hard! That’s not enough to pierce your balloon!

Bed Of Nails - What’s Going On?
More Fun Please! - Experiment Like A Real Scientist!
  • What else could you try? Would different types of balloon make a difference?
  • How far apart can you space your drawing pins and have this experiment still work?
  • What’s the lowest number of pins that can support your balloon without it going pop?
Bed Of Nails - Experiment Like A Real Scientist!
Want A FREE Science Experiment Book?

If you like fun science experiments then you'll love this FREE Science experiment book....

It's packed full of awesome experiments you can do at home with "stuff" you've already got. 

Your FREE Science experiment book is:

  • 5 Star Reviewed
  • Dragons' Den Approved
  • Yours completely FREE. 

Click Here to download your FREE copy now!

Your FREE Science Experiment Book!

Kids Party Coming Up?

If you like fun science experiments then you’ll love the Dragons’ Den winning Sublime Science Party. Check price & availability in your area and grab your FREE Kids Party Survival Guide right now!

Dragons Den Winning Science Party
Award-Winning Science Party

Home - About - Privacy Policy - Terms & Conditions - Contact


Copyright 2008-2022 - Sublime Science - All Rights Reserved - Registered in England and Wales, Company Number 6680269. Registered Address: The Sublime Science Lab (Unit4) Fernleigh Business Park, Blaby Rd, Enderby, Leicester LE19 4AQ - Call: 0116 380 0750

50% Complete

You Just Couldn't Resist!

There's some serious science behind why you just clicked! 

If you'd like more awesome science experiments then enter your email address below and grab your FREE science experiment book!

You'll get your FREE copy of 'Don't Eat Your Slime', weekly 'Top Secret Science Experiment Printables' and occasional awesome offers. Happy experimenting!

Close
50% Complete

(enter your email address below to get your FREE science experiment book)

YES, I Want My FREE Experiment Book!

(You'll get your FREE copy of 'Don't Eat Your Slime', weekly 'Top Secret Science Experiment Printables' and occasional awesome offers. Happy experimenting! 

Close