Reflection: Developing a Conceptual Understanding 7 billion - Section 2: FLIPPED: Terraform


The FLIPPED CLASSROOM model is often described as something like this: "lectures at home and homework in class." This model assumes that explicit delivery of content is an essential and inevitable portion of the learning process. And while lecture does have a place in the learning process-and even this curriculum-it is not at the center of an inquiry-based classroom. To this end, the FLIPPED model in this curriculum will often ask students to think about ideas that form the foundation for important concept formation. In this case, students think about the why of terraforming through the lens of limiting factors and models of growth. Why would humans need to make another Earth? Why might we eventually overrun density-dependent limiting factors? Why did our population grow so large? Starting with "7 Billion", students are beginning to develop an understanding of some of the unique characteristics of human population growth. Developing ideas about why terraforming might happens allows students to reverse engineer. If we need to make another planet like Earth we have either run out of resources on Earth or destroyed these resources. What might have happened to the human population that required terraforming? These are complex questions that students should be expected to answer on the spot. Providing an opportunity to consider them as a FLIPPED experience allows students come into class having already developed mental models for how the human populations has grown over time. These models become cognitive hooks for the learning activities in this lesson that allow students to make comparisons and revise ideas. 

  FLIPPING for thinking
  Developing a Conceptual Understanding: FLIPPING for thinking
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7 billion

Unit 4: Populations
Lesson 5 of 16

Objective: Student will be able to 1) describe how historical events have influenced human population growth; 2) explain the most influential factors that currently contribute to continued population growth; 3) conduct research to provide compelling evidence for the impact of a specific factor on human population growth.

Big Idea: The human population on planet Earth has rapidly grown, recently passing 7 billion. How might we identify the factors that have contributed to this growth over time?

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Science, population growth, human population, demography
  55 minutes
human population
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