science Quiz

Web-Based Science Quiz

1. Which organelle is known as the “powerhouse of the cell”?

Mitochondrion
Nucleus
Ribosome
Golgi apparatus

2. What is the chemical symbol for gold?

Au
Ag
Gd
Go

3. Which law states every action has an equal and opposite reaction?

Newton’s Third Law
Newton’s First Law
Newton’s Second Law
Law of Gravity

4. What gas do plants absorb for photosynthesis?

Carbon dioxide
Oxygen
Nitrogen
Hydrogen

5. What is the hottest planet in the solar system?

Venus
Mercury
Mars
Jupiter

6. The smallest unit of matter is called a:

Atom
Molecule
Cell
Proton

7. Which part of Earth is made of liquid iron and nickel?

Outer Core
Crust
Mantle
Inner Core

8. What type of energy is stored in chemical bonds?

Chemical energy
Thermal energy
Kinetic energy
Nuclear energy

9. Which vitamin is mainly produced by sunlight exposure?

Vitamin D
Vitamin A
Vitamin C
Vitamin B12

10. The process of water turning from liquid to gas is:

Evaporation
Condensation
Sublimation
Deposition