Solid , Liquid and Gas
This combines with any water cycle unit or states of matter curriculum currently in practice. These experiments and projects prove a few fundamentals.
Water and air get stuck in a birdfeeder. Air might be invisible but it’s as real as water.
Can you stop evaporation? Use two dishes to prove air takes away the water.
Raise a student up with air ! This shows how much we depend on air pressure, and reminds us of its destructive power.
What’s the best way to dissolve a powder? Students do the mixing and notice a difference. A solid is crushed into powder and dissolved in a liquid. What can stop it from happening?
Proof that air is just as real as water. Gas around us is invisible, but it takes up space just like water needs a container. How can a paper towel go underwater and come up dry?
Condensation - an experiment to prove cold things and places turn vapor back into water. This lesson is also on the Water, Air and Weather page
Measure liquids and do the math. When we have a unit to measure, the math is the same as it ever was. This activity proves regrouping. Fill up the 10 !
Which is sugar and which is salt? Students use their sense of smell and sight, but don’t need to taste it to tell the difference.
Vinegar and Baking Soda - The secret little spoonful that makes a surprising difference in this popular chemical reaction.
The Secret Gas in the Fake Volcano - Trap the gas that occurs when you mix up a certain solid and liquid.
