“Are You Smarter Than A Middle Schooler?”: Take This Basic 30-Question Science Test To Find Out

Science is all around us – in the air we breathe, the food we eat, and even the way our bodies work. This 30-question science quiz covers all kinds of general science facts. It includes chemistry, physics, biology, and even the Earth itself! It’s here to test how well you remember the basics.

If you haven’t taken Part 1 of this quiz yet, definitely check that one out too! 🧪

Ready to put your science smarts to the test? Let’s go!🧑‍🔬

🚀 💡 Want more or looking for something else? Head over to the Brainy Center and explore our full collection of quizzes and trivia designed to test your knowledge, reveal hidden insights, and spark your curiosity.💡 🚀

Scientist in lab coat and gloves using a microscope for a basic middle schooler science test experiment.

Image credits: Chokniti Khongchum

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Trivia • 30 General Science Knowledge Questions

Black saucepan boiling water on gas stove flame, illustrating general science knowledge question about boiling point in Celsius.

Anna Shvets

1. What is the boiling point of water in Celsius?

90°C

100°C

110°C

120°C

Solar system planets aligned from the sun, highlighting the planet known for its prominent rings, Saturn in space.

Valera268268

2. Which planet is known for its prominent rings?

Mars

Jupiter

Saturn

Neptune

Close-up of an orange speaker cone surrounded by plants, illustrating sound travel in general science knowledge.

Anna Pou

3. True or false: Sound can travel through a vacuum.

True

False

Red blood cells flowing through a blood vessel illustrating the main function of oxygen transport in general science.

allinonemovie

4. What is the main function of red blood cells?

Carry oxygen

Fight infections

Clot blood

Produce insulin

Close-up of coarse table salt crystals spilled from a glass container, illustrating general science knowledge and chemistry concepts.

Castorly Stock

5. What’s the chemical formula for table salt?

KCl

CaCO₃

NaCl

HCl

Scientist wearing blue gloves holding a blood sample tube related to which organ helps filter waste from the blood.

89Stocker

6. Which organ helps filter waste from the blood?

Heart

Liver

Lung

Kidney

Young man wearing a cap breathing fresh air outdoors with a clear sky, representing gas humans need to breathe to survive.

Kelvin Valerio

7. Which gas do humans need to breathe to survive?

Hydrogen

Carbon dioxide

Oxygen

Nitrogen

DNA double helix decorated with pink flowers and green leaves representing general science knowledge concepts.

Google DeepMind

8. True or false: DNA is found only in animals.

True

False

Illustration of an atom model showing the center or nucleus with electrons orbiting around it for science knowledge.

kreatikar

9. What is the center of an atom called?

Nucleus

Electron

Proton

Neutron

Two Earth-like planets shown side by side, illustrating the concept of Earth’s twin in general science knowledge.

Pixabay

10. Which planet is often called Earth’s “twin”?

Mercury

Mars

Venus

Neptune

Close-up of young plant seedlings growing in soil illustrating the part of the plant that absorbs water and minerals.

Airin Party

11. What part of the plant absorbs water and minerals from the soil?

Root

Stem

Leaf

Flower

Glowing incandescent light bulb illustrating general science knowledge and unit used to measure electric current concept.

Daniel Reche

12. Which unit is used to measure electric current?

Volt

Watt

Ohm

Ampere

Young woman balancing on a wooden fence outdoors at sunset, illustrating the body part that helps maintain balance.

Sebastian Voortman

13. Which body part helps us maintain our balance?

Inner ear

Heart

Lungs

Nose

Newton's cradle demonstrating momentum and force, illustrating the science concept of force pulling objects toward the Earth.

Pixabay

14. Which force pulls objects toward the Earth?

Friction

Inertia

Gravity

Magnetism

Test tube with water vapor rising, illustrating the process of water changing from liquid to gas in science.

Ron Lach

15. What is the process of water changing from a liquid to a gas called?

Condensation

Evaporation

Melting

Freezing

Close-up image of human chromosomes under a microscope, illustrating general science knowledge about chromosome count.

IMGMIDI

16. How many chromosomes does a typical human cell have?

23

36

46

56

Close-up of various rocks and minerals on the ground related to general science knowledge and geology studies.

Елена Кузьмина

17. True or false: Geologists study rocks and minerals.

True

False

Safety goggles resting on a lab table with scientists in the background studying small objects using scientific tools.

Mikhail Nilov

18. What tool do scientists use to look at very small objects like cells?

Microscope

Telescope

Magnifying glass

Scanner

Close-up of vibrant green leaves showcasing the green pigment in plants essential for photosynthesis.

Marek Levak

19. What is the green pigment in plants that helps them photosynthesize?

Chlorine

Cytoplasm

Glucose

Chlorophyll

Front and back view of a human skeleton highlighting bones related to the smallest bones in the human body question.

divotomezove

20. Which body part contains the smallest bones in the human body?

Hand

Foot

Ear

Nose

Frog partially submerged in water with a butterfly on its eye illustrating amphibians living in water and on land.

Pixabay

21. What is the term for animals that live both in water and on land?

Amphibians

Mammals

Reptiles

Invertebrates

Close-up of an orange pencil tip on white paper illustrating general science knowledge about graphite in pencils.

Pixabay

22. True or false: The element used in pencils is graphite.

True

False

Three small succulent plants in white pots symbolizing an organism that makes its own food in science.

Ylanite Koppens

23. What is the term for an organism that makes its own food?

Consumer

Parasite

Producer

Predator

View of Earth’s atmosphere from space showing swirling cloud formations representing the primary gas found in the atmosphere.

Pixabay

24. What is the primary gas found in Earth’s atmosphere?

Oxygen

Carbon dioxide

Hydrogen

Nitrogen

Illustration of common blood types A, B, AB, and O with positive and negative Rh factors on green background.

200degrees

25. What is the most common blood type in humans?

O+

A

B

AB

Large ocean wave forming, illustrating the natural cause of a tsunami often caused by underwater seismic activity.

정규송 Nui MALAMA

26. What is a tsunami most often caused by?

Hurricanes

Underwater earthquakes

Tides

Heavy rainfall

Diagram of a cell showing organelles like nucleus, mitochondrion, nucleolus, cytoplasm, and Golgi apparatus labeled.

Science Learning Hub

27. True or false: A cell is the basic unit of life.

True

False

Vast rocky landscape of the Earth’s crust under clear sky, illustrating the layer of the Earth we live on.

Vlada Karpovich

28. Which layer of the Earth do we live on?

Crust

Core

Mantle

Inner core

Stack of old black and white photographs representing memory linked to the sense most closely tied to memory in science.

Suzy Hazelwood

29. Which sense is most closely tied to memory?

Sight

Taste

Touch

Smell

Close-up of frozen water with ice bubbles and cracks, illustrating the freezing point of water in Fahrenheit temperature.