Balloon in a bottle experiment teaches how air molecules expand and contract when the temperature of air changes. Kids can learn about density, buoyancy and air pressure concepts using this experiment.
Here is a great collection of Science Terms and Words that start with Letter B. Check out B words in chemistry and biology. Printable worksheet included.
An interesting property of polymer that stops balloons from popping when they are poked with a needle. Check out how you can insert a needle without popping a balloon.
Floating paper clip science experiment is an exciting, fun and more effective way to teach kids about surface tension. Great Science Fair Project for Kids.