Our preschool class has been talking about wind and air.
We used balloons to see if we could get the air in our lungs to inflate the balloon. We also discussed how the air in the balloons is similar to our lungs inflating and deflating.
Last week we experimented with a reverse vacuum. The children were able to explore different ways to connect clear tubing and pvc joints to make a small ball blow around and out the tubing.
Let me know if you want names for the pictures.
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