How many people might ever exist, calculated

How many people might ever exist, calculated

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

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The video explores humanity's population milestones, comparing the current 8 billion to historical figures and projecting future numbers. It discusses the challenges of estimating future populations, considering factors like birth rates and potential extinction. The video examines scenarios from near-term extinction to long-term survival, including space colonization. It emphasizes the importance of avoiding existential risks and setting a positive trajectory for future generations.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three main questions addressed in the video?

The evolution of human species, the development of languages, and the future of artificial intelligence.

The history of human civilization, the role of technology, and the impact of climate change.

The impact of wars on population, the role of education, and the future of space exploration.

The size of 8 billion compared to past populations, future population estimates, and how to positively impact the future.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Approximately how many people have ever lived according to the video?

50 billion

117 billion

200 billion

300 billion

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the projected peak population by the end of the century according to the United Nations?

12 billion

10.4 billion

9.5 billion

8 billion

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated average birth rate starting in 2100?

150 million people per year

127 million people per year

100 million people per year

200 million people per year

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Malthusian trap as described in the video?

A hypothesis that predicts the extinction of humanity due to overpopulation.

A theory that suggests population growth will always be balanced by natural disasters.

A scenario where population growth exceeds the resources available, leading to competition.

A situation where population growth leads to technological advancement.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long could humanity potentially last according to the optimistic scenario?

200,000 years

1 million years

1 billion years

5 billion years

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two broad categories for positively affecting the future mentioned in the video?

Environmental conservation and cultural preservation

Technological advancement and space exploration

Reducing existential risks and ensuring good quality of life

Economic growth and political stability