An exploration of spring systems: Asking and answering quantitative questions part of Examples
Laboratory activity on springs and simple harmonic motion that encourages creative development of experiments and clear presentation of quantitative results in the form of a memo.

Bernoulli's Balloons part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Demonstrate Bernoulli's Principle using balloons and and pop cans. Real world concept of lift can be applied to an airplane demonstration.

Investigating Iron-Fortified Food part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection

Lenses Image Formation part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a laboratory investigation where students observe images produced by concave and convex lenses, and how light travels through the lenses.