How To Make An Air Pressure Working Model

by | Nov 20, 2021 | Physics, Science


This tutorial will show how to make an air pressure working model with the help of a plastic bottle and a candle at home for your science project.


To perform this air pressure experiment, we need;


  • Plastic bottle
  • Colored water
  • Tumbler
  • Candle
  • Matchbox

Steps To Make Air Pressure Working Model

Step 1: First, take a tumbler and place a small candle inside it.

candle inside it

Step 2: Now, fill the tumbler with half to one amount of colored water by setting the candle in it.

candle in it

Step 3: Now light the candle and place the open-lid plastic bottle on the top of the candle in an upside-down position.

upside down position

Step 4: Till that time, you’ll observe that the water level slowly starts to rise. Inside, the bottle and candle continue to glow.

continue to glow

Step 5: Finally, all the colored water inside the tumbler gets inside the plastic bottle after some time.

Air Pressure Experiment With Plastic Bottle And Candle Science Project

This is the procedure to perform an air pressure working model with the help of a plastic bottle and candle.


Air pressure experiment with a plastic bottle and candle demonstrates to students, what happens to the flame as it runs out of oxygen. And also how rapid temperature change can create a vacuum by altering air pressure inside the bottle. This working model helps students understand how to make it with material that is readily available at home.



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