Science Easy Quiz

Question 1

What is the chemical formula for water?

Accepted Answer

H2O

Answer

CO2

Answer

NaCl

Answer

O2

Question 2

How many bones are in the adult human body?

Accepted Answer

206

Answer

186

Answer

226

Answer

246

Question 3

What planet is closest to the Sun?

Accepted Answer

Mercury

Answer

Earth

Answer

Mars

Answer

Venus

Question 4

What force keeps planets orbiting the Sun?

Accepted Answer

Gravity

Answer

Magnetism

Answer

Centrifugal force

Answer

Nuclear force

Question 5

What is the process by which water changes from liquid to gas?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Sublimation

Question 6

Which scientist is credited with discovering gravity after observing a falling apple?

Accepted Answer

Isaac Newton

Answer

Galileo Galilei

Answer

Albert Einstein

Answer

Nikola Tesla

Question 7

How many elements are in the periodic table (as of 2024)?

Accepted Answer

118

Answer

108

Answer

112

Answer

124

Question 8

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Volt

Answer

Ampere

Answer

Watt

Question 9

What type of energy does the sun produce through nuclear fusion?

Accepted Answer

Radiant energy

Answer

Chemical energy

Answer

Kinetic energy

Answer

Thermal energy

Question 10

What gas do plants absorb from the atmosphere during photosynthesis?

Accepted Answer

Carbon dioxide

Answer

Nitrogen

Answer

Oxygen

Answer

Hydrogen

Science Easy Quiz — Free Trivia Quiz

What is the chemical formula for water?