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Quiz about For All We Know
Quiz about For All We Know

For All We Know Trivia Quiz


This quiz is for those who think they know a lot about science. Test your knowledge by playing this quiz.

A multiple-choice quiz by The_Rubiks. Estimated time: 2 mins.
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Author
The_Rubiks
Time
2 mins
Type
Multiple Choice
Quiz #
398,011
Updated
Dec 03 21
# Qns
10
Difficulty
Very Easy
Avg Score
9 / 10
Plays
865
Last 3 plays: MikeMaster99 (10/10), Guest 172 (2/10), bradncarol (10/10).
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Question 1 of 10
1. The chemical formula for water is HO2.


Question 2 of 10
2. Why does anything, when thrown upwards, tend to come back towards the Earth? Hint


Question 3 of 10
3. Which of the following travels fastest? Hint


Question 4 of 10
4. What do you call someone who studies plants? Hint


Question 5 of 10
5. Which gas has the highest concentration in our atmosphere? Hint


Question 6 of 10
6. Which of the following does not have a backbone? Hint


Question 7 of 10
7. If an animal eats both grass as well as meat, then it is a herbivore.


Question 8 of 10
8. Which of the following is the hottest? Hint


Question 9 of 10
9. Which organ in your body pumps blood? Hint


Question 10 of 10
10. Which of the following describes the process of melting? Hint





Most Recent Scores
Oct 19 2024 : MikeMaster99: 10/10
Sep 10 2024 : Guest 172: 2/10
Sep 06 2024 : bradncarol: 10/10
Sep 01 2024 : Guest 67: 2/10

Quiz Answer Key and Fun Facts
1. The chemical formula for water is HO2.

Answer: False

The chemical formula of water is H2O. This means that the water molecule is made up of two hydrogen atoms and one oxygen atom. Water is necessary for all living beings on this Earth.
2. Why does anything, when thrown upwards, tend to come back towards the Earth?

Answer: Due to gravity

Gravity is the force that pulls everything towards the Earth. So if you throw anything upward, it will be pulled back downward due to gravity. The faster you throw something upward, the higher it will go before it comes back down.
3. Which of the following travels fastest?

Answer: Sound in air

Sound in air travels with a speed of about 330 m/s which is about 770 miles per hour. The fastest car can travel up to 300 miles per hour. Bullet trains can travel up to 400 miles per hour and cheetahs can run up to 70 miles per hour. So sound is fastest of them all.
4. What do you call someone who studies plants?

Answer: Botanist

Botanists are the scientists who study plant. They study about their growth, reproduction, diseases and other things. Zoologists study animals. Astronomers study space and the stars. Archeologists study past human history by looking at artefacts.
5. Which gas has the highest concentration in our atmosphere?

Answer: Nitrogen

Our atmosphere consists of 78% nitrogen. Oxygen is 21% and carbon dioxide is 0.03%. The atmosphere also contains oxides of sulphur, nitrogen, as well as dust particles, among other things.
6. Which of the following does not have a backbone?

Answer: Earthworm

An earthworm doesn't have a backbone. These kinds of animals without a backbone are called invertebrates. Humans and other mammals have backbones, which protect their spinal cord and provide stability.
7. If an animal eats both grass as well as meat, then it is a herbivore.

Answer: False

An animal that eat both plants and other animals is called an omnivore. Carnivores are those who eat meat only (such as lions). Those who only eat grass are called herbivores (like cows).
8. Which of the following is the hottest?

Answer: Sun

Iron melts at 1500 degrees Celsius. Paper burns at around 230 degrees Celsius. Petrol burns at around 300 degrees Celsius. The temperature of the Sun is much higher than these things. The surface temperature of the Sun is around 5000 degrees Celsius while the core of the Sun is very, very hot: around 15 million degrees Celsius.
9. Which organ in your body pumps blood?

Answer: Heart

The heart is the organ that continuously pumps blood in our body. It never gets tired (although sometimes it can get damaged and not work as well as it should) and works till you die. If you touch your chest, you can feel the beat of your heart pumping the blood.
10. Which of the following describes the process of melting?

Answer: Changing of solid to liquid

Melting is the process in which a solid substance changes into liquid. The temperature at which a solid melts is called its melting point. Ice melts into water at 32 degree Fahrenheit or 0 degree Celsius.
Source: Author The_Rubiks

This quiz was reviewed by FunTrivia editor NatalieW before going online.
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