Our Big Backyard part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a field investigation where students venture out into their own backyard to observe and record data on living things and see how these things change throughout the seasons.

How high is BIG? - using an astrolabe part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
Use an astrolabe to measure the height of objects, and see seasonal changes over time.

Investigating Stream Characteristics and Discharge: An Interdisciplinary Approach part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a interdisciplinary field investigation where students will form observations and make calculations about stream characteristics and stream flow.

Effectiveness of MN dams in water retention/ Efectividad de represas en Minnesota con respecto a la retencion de agua part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a field trip investigation where students gather stream flow, volume, depth & height (area) data on Ramsey County dams (Keller and Round lake), interpret their findings and make in-depth observations in order to assess the effectiveness of dams through the season and estimate the life-spam of the dams in years.