World Rainforests
1 / 15Rainforests are sometimes called the 'lungs of the Earth' because they produce large amounts of what gas?
About World Rainforests
Tropical and temperate rainforests of the world This free general knowledge activity is built for older adults who want clear, readable browser-based games without sign-up friction.
General knowledge games mix recall, reasoning, and pattern recognition to keep each round varied and mentally engaging. This quiz includes 15 questions, so it works well as a quick session or as part of a longer brain-training routine. A printable version is available if you prefer offline play or want to share the game at home, in a classroom, or in a group setting.
About World Rainforests
World Rainforests is a free general knowledge quiz with 15 multiple-choice questions aimed at mixed difficulty. Tropical and temperate rainforests of the world A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. The Amazon Rainforest, the world's largest tropical rainforest, is primarily located in which country?
Answer: Brazil
2. Approximately what percentage of the world's plant and animal species are found in tropical rainforests?
Answer: About 50%
3. The Congo Rainforest, the second-largest tropical rainforest, is located on which continent?
Answer: Africa
Frequently asked questions
How many questions are in World Rainforests?
World Rainforests has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is World Rainforests free to play?
Yes. The entire SeniorBrainGames catalog — including World Rainforests — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does World Rainforests take?
Most players finish World Rainforests in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after World Rainforests?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
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