Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Determine how good we are at direct and indirect observation.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.