Burning up the Paper with a Magnifying Glass



In this super easy science experiment, all you need is just a magnifying glass, a piece of paper and a sunny day. It is a very fantastic outdoor activity for family to try on a sunny day.
           
Age: 5+          Time: <10min

 Safety 

1. Demonstrate this experiment in the open air.
2. Make sure there are no flammable materials around.
3. Wear sunglasses.
4. Adult supervision.

 Materials List 

  •  Magnifying glass
  •  Paper
  •  Sunglasses
  •  A sunny day

Burning up the Paper with a Magnifying Glass

 Instruction 

Step 1/2 – Wear sunglasses.

Step 2/2 – Let the sunshine through the magnifying glass onto the paper so that the focal point is on the paper. Keep the focal point on the paper and wait a moment, the sun will burn the paper. Remember to extinguish the fire after the experiment.
Burning up the Paper with a Magnifying Glass

Burning up the Paper with a Magnifying Glass

Burning up the Paper with a Magnifying Glass

 Troubleshooting 

Why I can not find the focal point?
— You need to adjust the distance between the paper and magnifying glass.

Why I can not burn my paper?
— Maybe the sunshine is too weak. You want to use tissue paper or some dark paper. The darker the better.

 Question to Ask 

Can I use the ordinary glass, instead of a magnifying glass?

 Scientific Description 

A magnifying glass is a double convex lens that focuses the light rays striking the surface onto a single point (focal point). as we all know that the sunshine has energy. When the sunshine focuses on a sport, the light decreases in size but intensifies in brightness. Concentrate that much energy on a single spot so that there is enough energy to burn up the paper.

 Extensions 

You can try if you can focus the lamplight to burn the paper.

Burning up the Paper with a Magnifying Glass Burning up the Paper with a Magnifying Glass Reviewed by Ronyes Tech on May 11, 2020 Rating: 5

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