Name unknown

Phenology and the Weatherguide Calendar--An Introduction part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This classroom activity introduces the yearlong topic of phenology and how to use the Weatherguide calendar.

What Makes Thunderstorms? See Convection part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This classroom lab activity is an investigation into what happens to warm air and cold air in the atmosphere shown by the convection of colored water.