Science Quiz Questions and Answers

Are you willing to test the boundaries of your knowledge and discover the intriguing realm of science? This science quiz includes a variety of scientific topics, such as physics, chemistry, biology, and more, from the secrets of the universe to the smallest elements that constitute matter.

This science quiz is designed to educate and amuse you, regardless of your interest in natural events, major discoveries, or just learning new things. Get ready to discover how much you actually know about the cosmos and everything in it by improving your thinking hat. 

Let’s go on the journey of exploration!

1. Science Quiz About Solar System 

1. Which city receives the most sunlight on Earth? 

  • Aswan
  • Yuma
  • Phoenix
  • Rjukan

Answer: Yuma

2.What number of planets orbit the sun?

  • 8 planets
  • 6 planets
  • 9 planets
  • 10 planets

Answer: 8 planets

3.Out of these stars, which one is closest to Earth?

  • Luyten
  • Sirius star system
  • Barnard’s Star
  • Proxima Centauri

Answer: Proxima Centauri

4. Which of the solar system’s planets is the largest?

  • Mars
  • Earth
  • Jupiter
  • Mercury
science-quiz-solar-system

Answer: Jupiter

5.What is our galaxy called?

  • Hoag’s Object
  • Milky Way
  • Cigar Galaxy
  • Sunflower Galaxy

Answer: Milky Way

6.Which of these elements is not a part of our Solar System? 

  • Nebula
  • Star
  • Comet
  • Asteroids

Answer: Nebula

7.What makes up the majority of the Moon?

  • Aluminium
  • Magnesium
  • Iron
  • Gold
solar-system-quiz

Answer: Iron

8.Which planet is with the solar system’s lightest atmosphere?

  • Mercury
  • Saturn
  • Neptune
  • Venus

Answer: Mercury

9.What lies between the orbits of Jupiter and Mars?

  • Asteroid Belt
  • Kuiper Belt
  • Sednoid
  • Scattered disc

Answer: Asteroid Belt

10.Which planet lacks a moon?

  • Jupiter
  • Mars
  • Earth
  • Venus

Answer: Venus

11.True or False: The planet Saturn provides a view of Earth.

  • True
  • False

Answer: True

12.Which meteorite is the largest to have ever been discovered on Earth?

  • Cape York
  • Seymchan
  • Brenham
  • Hoba

Answer: Hoba

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2. Science Quiz Questions About Nature

1.Which tree in Africa is the thickest?

  • Sequoia
  • Cypress
  • Baobab
  • Kauri

Answer: Baobab

2. Which floral portion generates pollen?

  • Ovule
  • Stamen
  • Pistil
  • Calyx

Answer: Stamen

3. Which rainforest is the world’s biggest?

  • Amazon
  • Daintree
  • Congo Basin
  • New Guinea

Answer: Amazon

4. What is the number of geographical zones in the world?

  • 3
  • 4
  • 8
  • 5

Answer: 5

5.Which zone of the planet is the hottest?

  • Frigid zone
  • South pole
  • Torrid zone
  • South temperate zone

Answer: Torrid zone

6. From what country can one not see the Northern Lights? 

  • Iceland
  • Alaska
  • Norway
  • France
northern-lights-science-quiz

Answer: France

7. Which desert holds the title for being the biggest in the world?

  • Saharan
  • Antarctic 
  • Arabian
  • Great Basin

Answer: Antarctic

8. What is the definition of drought?

  • A spell of heavy rains that causes flooding
  • A protracted instance of unusually dry weather that results in a scarcity of water
  • A natural occurrence when temperatures fall below freezing 
  • An instance where flora is harmed by high winds

Answer: A protracted instance of unusually dry weather that results in a scarcity of water

9. Which layer of the earth is the lowest?

  • Troposphere
  • Stratosphere 
  • Mesosphere
  • Thermosphere

Answer: Troposphere

10. True or False: The Enhanced Fujita Scale is used to measure Earthquakes. 

  • True
  • False

Answer: True

11. Which section of the plant controls photosynthesis?

  • Seeds
  • Leaves
  • Stems
  • Roots

Answer: Leaves

12.What is the number of layers in a tree trunk?

  • 4
  • 5
  • 15
  • 14

Answer: 5

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3. Science Quiz About Biology

1. Which organ is responsible for circulating blood throughout the body?

  • Lungs
  • Heart
  • Brain
  • Liver

Answer: Heart

2. True or False: DNA stands for Dehydrogenated Acid.

  • True
  • False

Answer: False

3. Which plant structure is in charge of photosynthesis?

  • Stem
  • Roots
  • Chloroplasts
  • Xylem

Answer: Chloroplasts

4. Who made the initial discovery of biology?

  • Aristotele
  • Charles Darwin
  • Barbara McClintock
  • Theophrastus
science-quiz-biology

Answer: Aristotele

5. What kind of genetic material makes up blood vessels?

  • RNA
  • Lipid
  • DNA
  • Protein

Answer: DNA

6. What serves as the cell’s power source?

  • Ribosome
  • Nucleus
  • Mitochondria
  • Chloroplast

Answer: Mitochondria

7. Which organ is the biggest in the human body?

  • Brain
  • Liver
  • Skin
  • Heart

Answer: Skin

8. Which discipline focuses on studying animals? 

  • Zoology
  • Astrology
  • Epidemiology
  • Geology

Answer: Zoology

9. What is the organ that insects lack? 

  • Heart
  • Lungs
  • Stomach
  • Brain

Answer: Lungs

10. What is the only body section that is incapable of self-healing? 

  • Brain
  • Eyes
  • Liver
  • Teeth

Answer: Teeth

11. What disease caused 40% of the deaths of American soldiers in World War I? 

  • Smallpox
  • Cholera
  • Gangrene
  • Influenza

Answer: Influenza

12. What’s the term used in science to describe how plants and animals are categorized? 

  • Entropy
  • Taxonomy
  • Gentrification
  • Taxidermy

Answer: Taxonomy

4. Science Quiz About Physics

1. Which letter represents the body’s mass in physics?

  • N
  • M
  • F
  • R

Answer: M

2. What was the number of laws Newton wrote?

  • 2
  • 5
  • 4
  • 3
science-quiz-physics

Answer: 3

3. What does G represent in Physics?

  • Gravitational constant 
  • Acceleration
  • Glossary
  • Force

Answer:  Gravitational constant 

4. True or False: Newton’s third law states: an object’s acceleration is inversely correlated with its mass and directly correlated with its net force.

  • True
  • False

Answer: False

5. What is not a mirror type in Physics?

  • Convex Mirror
  • Concave Mirror
  • Plane Mirror
  • Cylindrical Mirror

Answer: Cylindrical Mirror

6. What else except a moving body’s mass determines its action?

  • Volume
  • Velocity
  • Temperature
  • Pressure  

Answer: Velocity

7. Which one of these people was a physicist?

  • Charles Darwin
  • Albert Einstein
  • Sigmund Freud
  • Leonardo da Vinci

Answer: Albert Einstein

8. What does the letter “S” in physics mean? 

  • William Shakespeare
  • Charles Dickens
  • Mark Twain
  • John Lennon

Answer: John Lennon

9. What is the measurement of dielectric strength? 

  • A material’s capacity to conduct electricity 
  • Its resistance to deformation
  • The highest electric field it can sustain before degrading
  • Its thermal conductivity  

Answer: The highest electric field it can sustain before degrading

10. Which law is associated with momentum conservation?

  • Law of Universal Gravitation
  • Newton’s Second Law
  • Newton’s First Law
  • Newton’s Third Law

Answer: Newton’s Third Law

11. How is Reactive Motion defined? 

  • Motion brought on by gravity
  • Motion brought on by an action and its equal and opposite response
  • Motion brought on by friction between two surfaces
  • Motion brought on by magnetic forces

Answer: Motion brought on by friction between two surfaces

12. What formula is used to determine force?

  • F = ma
  • F = mv
  • F = m/v
  • F = v/t

Answer: 1997

5. Science Quiz About Chemistry

1. What kind of gas is considered noble?

  • Oxygen
  • Helium
  • Nitrogen
  • Carbon

Answer: Helium

2. What makes up the majority of natural gas?

  • Ethanol
  • Methane
  • Propane
  • Butane

Answer: Methane

3. With regard to polymers, which of the following is an example

  • Glass
  • Nylon
  • Wood
  • Iron

Answer: Nylon

4. What kind of material is liquid at normal temperature?

  • Gold
  • Helium
  • Mercury
  • Lead

Answer: Mercury

5. True or False: Penicillin is a protein that is utilized to treat bacterial infections.

  • True
  • False

Answer: False 

6. Who made the discovery of the pasteurization process?

  • Albert Calmette
  • Joseph Lister
  • Louis Pasteur
  • Robert Koch

Answer: Louis Pasteur

7. What does “atomic number” mean in relation to an atom’s number? 

  • Bill Gates
  • Protons
  • Quasiparticles
  • Neutrons

Answer: Protons

8. Which of the metals below weighs more than iron?

  • Gold
  • Manganese
  • Carbon
  • Potassium

Answer: Gold

9. Who discovered the electron?

  • Niels Bohr
  • J.J. Thomson
  • Marie Curie
  • Albert Einstein

Answer: J.J. Thomson

10. What is the number of electrons in an atom of sodium? 

  • 4
  • 5
  • 2
  • 11

Answer: 11

11. How can a proton have an electric charge?  

  • Positive
  • Neutral
  • Negative
  • Reverse

Answer: Positive

12. True or False: Alfred Nobel created dynamite as a safer alternative to nitroglycerin. 

  • True
  • False

Answer: True

Conclusion

Congratulations for finishing the science quiz! We hope you had fun learning about a variety of subjects, including biology, chemistry, physics, nature, and the solar system. We created this science quiz to test your scientific knowledge, pique your interest, and give you a better grasp of the world we live in.

Never forget that science is an endless pursuit of amazing new information. We hope you continue to discover the wonders of science and are looking forward to your next scientific journey!

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