Our Global Population › Revision notes
Our Global Population — Revision notes
Need a recap first? Read the full explanation →
Quick recap
5 clipsShort clips from the lesson video. Watch a couple to jog your memory, then try the Brain dump below.
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Brain dump
Before you look at anything else, write down everything you can remember about this lesson: key words, facts, examples. Spelling doesn't matter. Then see which of the 7 key terms you remembered.
Everything else on this page is hidden until you're done. No peeking!
Ones you missed. Read these, then try again tomorrow:
Key terms
- Population
- The total number of people living in a specific area, such as a city, country, or the entire world
- Birth rate
- The number of live births per thousand people per year
- Death rate
- The number of deaths per thousand people per year
- Natural increase
- When the birth rate is higher than the death rate, causing the population to grow naturally
- Natural decrease
- When the death rate is higher than the birth rate, causing the population to shrink
- Family planning
- Access to contraception and education that allows people to choose when and whether to have children
- Population explosion
- The rapid and dramatic acceleration of global population growth driven by sharply falling death rates after 1800
TERM — tap to reveal
What this lesson covers
How well do you know each one? Be honest: red means go back over it.
- Define birth rate and death rate and explain how they are measured
- Explain what natural increase and natural decrease mean
- Explain why birth rates are high in some countries and low in others
- Explain why death rates vary between countries, including wealthy ones
- Describe how world population changed from year zero to 8 billion
- Explain what caused the population explosion after 1800 and why growth is now slowing
Test yourself
Cover the answer, say it out loud, then check the full quiz on the lesson page.
- Which of the following is a reason for a HIGH birth rate?
- What was the main reason the world's population grew so rapidly after 1800 AD?
- What does NATURAL INCREASE mean?
Topic quiz
15 questions on this topic only — not mixed with anything else, one at a time.
Question 1 of 15
Score: 0 out of 15
Spelling challenge
Read the definition, then type the correct spelling of the term. Uses the same terms as above.
Score: 0/0