This mini-unit explores the benefits of trees at levels appropriate to the grade level. The storyline for this mini-unit helps students learn about the structure of trees, how they grow and thrive, and how they provide critical benefits to the local ecosystem. At higher grade levels, students analyze data related to quantifying the actual benefits related to carbon capture, soil protection, and ecosystem habitats. They are also encouraged to identify native trees that might be planted in their schoolyard and the work related to keeping trees healthy.

Issue:  Why are some areas of the city hotter than others, and what can we do about it?

Collecting data on their own schoolyard, students investigate the effect surface materials have on temperature. Exploring the concept of the Urban Heat Island, students look at how data from their schoolyard compares with different areas of the city. They synthesize their evidence to draw conclusions regarding how the lack of, or presence of, green infrastructure relates to the issue under investigation. Students design a plan in response to their Heat Island analysis to lessen the negative effects in their schoolyard.

What is a MWEE?

MWEE most commonly stands for a Meaning Watershed Educational Experience, a learner-centered educational framework used in K-12 schools. It is an active, hands-on framework that teaches students about local environmental and watershed issues. It is endorsed by the Pennsylvania Department Education as part of a rigorous, high-quality implementation of the STEELS.

There are Four Essential Elements:

• Issue Definition: Students research and define a local environmental or watershed problem.
• Outdoor Field Experiences: Students go outside to collect data and make real-world observations.
• Synthesis and Conclusions: Students analyze data, reflect, and draw scientific conclusions.
• Environmental Action Projects: Students take direct, student-led action to address the issue in their community (such as cleanup or public outreach)

MWEEs should reflect an issue that is meaningful and important to your students. You can learn more about MWEEs by visiting this webpage. You can also use the Bay Backpack website for examples, case studies and other tools to help you when designing one with students.