Grade 9 Science Quiz: Explore Biology, Chemistry, and Physics with 10 Engaging Questions

#1. What is the chemical symbol for water?

CO2

H2O

O2

NaCl

#2. What is the pH level of pure water?

5

8

7

6

#3. What is the speed of light?

600

000 km/s

150

450

000 km/s

300

000 km/s

#4. What is the powerhouse of the cell?

Mitochondria

Chloroplast

Ribosome

Nucleus

#5. What is the basic unit of life?

Atom

Molecule

Cell

Tissue

#6. What is the formula for photosynthesis?

H2O + CO2 → C6H12O6 + O2

CO2 + O2 → H2O + C6H12O6

O2 + H2O → CO2 + C6H12O6

CO2 + H2O → C6H12O6 + O2

#7. What type of bond is formed when electrons are shared between atoms?

Covalent bond

Ionic bond

Metallic bond

Hydrogen bond

#8. What planet is known as the Red Planet?

Mars

Venus

Jupiter

Saturn

#9. Who proposed the theory of relativity?

Galileo Galilei

Albert Einstein

Niels Bohr

Isaac Newton

#10. What gas do plants release during photosynthesis?

Methane

Nitrogen

Carbon Dioxide

Oxygen

Results

#1. What is the chemical symbol for water?

#2. What is the pH level of pure water?

#3. What is the speed of light?

#4. What is the powerhouse of the cell?

#5. What is the basic unit of life?

#6. What is the formula for photosynthesis?

#7. What type of bond is formed when electrons are shared between atoms?

#8. What planet is known as the Red Planet?

#9. Who proposed the theory of relativity?

#10. What gas do plants release during photosynthesis?