Activities
Purple Tea Acids and Bases
This activity is a quick introduction to identifying acids and bases using blue butterfly pea flower tea as a pH indicator, drawing particle diagrams, and an introduction to reversible reactions and equilibrium. Blue pea flower tea is in expensive, non-toxic, and easy to use.
Which is bigger, the moon or the sun? Introduction to angular size
Students use graph paper targets to compare the angular size to the true size for objects at different distances
Gummy Bear Osmosis
Students explore the effect of sugar concentration on the rate of osmosis. Students create sugar solutions of various concentrations. Then students place gummy bears in the solutions overnight and observe the changes. Students use a graph to interpret results
Sticky tape part 1
Students explore electric charge with this simple introduction to the invisible world of electron transfer.