What is the largest organ in the human body?
Skin
What is the center of an atom called?
Nucleus
What force keeps the planets in orbit around the sun?
Gravitational force
Which is the second smallest planet in our solar system?
Mars
Which vitamin is produced by the body when exposed to sunlight?
Vitamin D
Which blood type is considered the universal donor?
O negative
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.
What is the name of the effect where light is bent as it passes through different media?
Refraction
Name all the 8 planets
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
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.
How many teeth does average adult has?
32 teeth
What is the name of the most common type of acid in the human stomach?
Hydrochloric acid (HCl)
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).
Which planet has the shortest day in our solar system?
Jupiter, with a day lasting about 10 hours
True/False: A sneeze can travel up to 160 km per hour
True: That’s faster than most speed limits on highways.
How many bones are there in the adult human body?
206
Which element has the symbol "Au"?
Gold
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)
What was the first food ever eaten in space?
a tube of beef and liver paste, along with chocolate sauce
What animal has three hearts?
An octopus
Spell the full name of DNA
Deoxyribonucleic Acid
What’s the only letter that doesn’t appear in the periodic table?
J
Which type of wave does our household microwave uses?
microwave radiation, which is a type of electromagnetic wave.
When did the first astronaut (Neil Armstrong) walk on the Moon?
July 20, 1969
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.