Biology & Human Body
Elements & Compounds
Physics in Action
Earth & Space
Science in Everyday Life
100

What is the largest organ in the human body?

Skin

100

What is the center of an atom called?

Nucleus

100

What force keeps the planets in orbit around the sun?

Gravitational force

100

Which is the second smallest planet in our solar system?

Mars

100

Which vitamin is produced by the body when exposed to sunlight?

Vitamin D

200

Which blood type is considered the universal donor?

O negative

200

Name the particle that carries a positive electric charge and the negative one

positive electric charge is a proton, and negative electric charge is an electron.

200

What is the name of the effect where light is bent as it passes through different media?

Refraction

200

Name all the 8 planets

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

200

True/False: A year on Mars is shorter than a year on Earth.

False – A year on Mars is about 687 Earth days, longer than a year on Earth.

300

How many teeth does average adult has?

32 teeth

300

What is the name of the most common type of acid in the human stomach?

Hydrochloric acid (HCl)

300

Name the 3 Newton's Laws of Motion 

Newton's First Law (Law of Inertia), Newton's Second Law (Law of Acceleration), and Newton's Third Law (Law of Action and Reaction).

300

Which planet has the shortest day in our solar system?

Jupiter, with a day lasting about 10 hours

300

True/False: A sneeze can travel up to 160 km per hour

True: That’s faster than most speed limits on highways.  

400

How many bones are there in the adult human body?

206

400

Which element has the symbol "Au"?

Gold

400

What equation did Albert Einstein best known for and what does each letter stands for?

E=mc2, Energy (E), mass (m), and the speed of light (c)  

400

 What was the first food ever eaten in space?

a tube of beef and liver paste, along with chocolate sauce

400

What animal has three hearts? 

An octopus

500

Spell the full name of DNA

Deoxyribonucleic Acid

500

What’s the only letter that doesn’t appear in the periodic table?

J

500

Which type of wave does our household microwave uses?

microwave radiation, which is a type of electromagnetic wave.

500

When did the first astronaut (Neil Armstrong) walk on the Moon? 

July 20, 1969

500

Name the fruit that humans share 60% of their DNA with

Bananas – While we’re very different from bananas, our genetic material has quite a bit in common. About 60% of the genes in humans have a match in bananas.

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