Name unknown

How Small is a Nanometer? part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
There are 1 billion (1,000,000,000) nanometers in a meter. In this classroom activity students will gain an understanding of what that statement means.

Investigating Factors that Influence Weathering of Monuments in a Cemetery part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
In this field activity students will discover some of the factors that influence weathering of rock by making observations, asking questions and completing an investigation of their own design in a local cemetery.