Weather in a Jar

We are going to create a little weather in a jar! This is a simple science and observation activity that is especially fun when winter lingers and spring is on the horizon.

Supplies needed:

Glass gallon sized pickle jar is shown, but plastic would be safer
Water
Thermometer
Potting soil
Grass seed (or other seeds of your choice)
Egg carton
Sunshine (and temps above freezing)
Paper and pencil

The objective is for children to observe and experience the changes that happen inside the jar and record their observations.

Part 1

Take the temperature outside of the jar. Write down the number.

Put the thermometer inside the jar, put the lid on it, and set it in the sun. Check the temperature again, record it and compare the numbers. More importantly, have your child feel how warm the inside of the jar feels. Discuss how the sun warms the earth and is an essential key for growing plants.

Part 2

Make a little farm by putting some soil in a egg carton and sprinkling it with seeds:

Pour or spray on some water…

Place the lid on the jar, then put it in the sunshine. If it is placed outside be sure the temperatures are above freezing. We cut the ends out of the top of the egg carton, then place it under the jar to keep it from rolling around.

Observe the jar. Children can draw or record their observations on paper. It will grow into a fresh and fabulous bright green garden! Notice how the sun has warmed the jar and condensation has developed.