WeatherScience Experiments


Experiments with Elissia: Density test with eggs

Posted at 6:26 PM, May 28, 2020
and last updated 2020-05-28 19:26:06-04

Hey everybody, I'm meteorologist Elissia Wilson and today we're going to be doing an experiment with density.

For this super simple experiment you will need:

  • Mason Jars or Tall Glasses
  • 2 Raw Eggs
  • Water
  • Salt

First, fill one tall glass with tap water then gently place the raw egg into the glass.

What's going to happen? Will the egg sink or float? The egg sinks because the egg is more dense than the tap water.

Now fill the second glass half way with tap water but this time add about 5 tablespoons of salt. Stir the salt and tap water together.

Next gently place the other raw egg into the saltwater then add a little more tap water and watch what happens.

This time the egg floats to the top of the glass because the saltwater is more dense than the egg.

In the world of weather, warm, moist air is more dense than cold air-so cold air sinks and warm air rise

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