The Growing World Population


The Growing World Population
Students study a chart of years in which world population added another billion and predict when the population will reach nine billion. Then they review terminology related to population and compare population density of different countries. Next they learn about population pyramids and draw conclusions from a comparison of pyramids for world population in 1950 and 2023. Finally they read about China’s one-child policy, summarizing the unintended consequences and drawing population pyramids for the Chinese population before the policy and after it was ended.

This learning experience is designed for device-enabled classrooms. The teacher guides the lesson, and students use embedded resources, social media skills, and critical thinking skills to actively participate. To get access to a free version of the complete lesson, sign up for an exploros account.

1:1 Devices
Teacher Pack

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Here are the teacher pack items for The Growing World Population:

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Overview

In this experience, students study a chart of years in which world population added another billion and predict when the population will reach nine billion. Then they review terminology related to population and compare population density of different countries. Next they learn about population pyramids and draw conclusions from a comparison of pyramids for world population in 1950 and 2023. Finally they read about China’s one-child policy, summarizing the unintended consequences and drawing population pyramids for the Chinese population before the policy and after it was ended.

Objectives

  • Define basic concepts in population studies.
  • Analyze how a rapid shift in population growth affects a society.


Engage


Scientists estimate that planet Earth is home to almost nine million species of plants and animals. They also estimate that there are twenty quadrillion ants—a quadrillion is a 1 with 15 zeros. That’s a lot of life. And there are also over eight billion human beings. In this experience you will learn about concepts relating to this human population.

Objectives

  • Define basic concepts in population studies.
  • Analyze how a rapid shift in population growth affects a society.


world map showing population density

Watch the movie of world population: Human Population Through Time.


Chart showing the year in which the world population passed a milestone in billions and the number of years elapsed for each billion

Predict in what year the world population will reach 9 billion.

Post your answer

According to the United Nations data, the world population is most likely to reach 9 billion in the year 2037. You can display a graph to show students that this is a probability, not a certainty.

Ask students:
  • How many years will elapse between the 8 billion mark and the projected 9 billion mark? [15]
  • What does the answer tell us about world population growth? [The population is still growing, but not as quickly as it has over the past half century.]


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