Reflection: Problem-based Approaches Constructing Ecosystem Models - Section 3: Explore

 

Although the goal of this lesson was pretty straight forward (build an ecocolumn), student success with this project became dependent on their abilities to solve problems! This is such a key component to the process of doing science! I loved watching students collaborate with the teams to make decisions:

  • Here, Adding Support, students decide to provide the elodea with more support. Again, instead of getting frustrated, the team pulled together to fix failure points! 
  • These students, Touching Cap, realize that their terrarium's bottle cap is touching the water. I'm really not sure if this would make too much of a difference, but they quickly find a way to remove water without disrupting the aquarium. 
  • Students also had to make team decisions about the leaves. Do we put them on top of the soil? Do we mix them in? Do we place them on the bottom? I loved watching students make decisions based on collective reasoning: Making Decisions about Leaves and Making Decisions about Leaves 2.

  Problem-based Approaches: Solving Problems
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Constructing Ecosystem Models

Unit 2: Ecosystems
Lesson 2 of 28

Objective: SWBAT make a model of an aquarium ecosystem and a terrarium ecosystem.

Big Idea: In this lesson, students will attach two large plastic bottles to create a ecocolumn, with an aquarium ecosystem in the bottom bottle and a terrarium ecosystem in the top bottle.

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45 teachers like this lesson
Subject(s):
Science, ecosystem, global warming, abiotic factors, models, ecocolumns, terrarium, aquarium, decomposition, biotic
  90 minutes
class ecocolumns 2
 
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