Science & Technology,CuriositiesMAR 30, 2026

33 Science Questions To Test Your General Knowledge – Prove How Much You Really Know

Do you really know how the world works? Test your general science knowledge with this 33-question quiz. From everyday phenomena – like why a metal doorknob feels colder than wood – to fascinating concepts about energy, motion, and ecosystems, these science questions will challenge your understanding and reasoning.

Try to pass this quiz and prove you’re actually good at science. Can you really answer them all correctly? Let’s find out…🧪🧑‍🔬

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

Image credits: dp singh Bhullar

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Trivia•Try To Pass This General Science Knowledge Quiz

Close-up of a metal doorknob on a wooden door illustrating general science knowledge about temperature perception.

PIRO4D

1.You touch a metal doorknob on a cold day, and it feels colder than a wooden one. Why?

Helium-filled balloon with heart patterns floating against blue sky, illustrating general science knowledge quiz concept.

Mohan Nannapaneni

2.A balloon filled with helium shrinks after being left outside on a chilly morning. What explains this?

Two identical plants growing under different colored lights, showing varied height due to light color effect on growth.

Ivan S

3.Two identical plants are grown under different colored lights. One grows taller than the other. Which factor caused the difference?

Abstract circular pattern with vibrant purple and pink hues, illustrating science concept related to sound travel through a vacuum.

Anni Roenkae

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

Riverbank soil erosion caused by heavy rain near the water with trees and grass along the river edge.

Rino Adamo

5.After a heavy rain, the soil near a riverbank collapses. What caused this erosion?

A skydiver descending with a red parachute against a bright sky, illustrating general science knowledge quiz concepts.

Erik Scheel

6.A skydiver jumps from a plane. Initially, they accelerate, then reach a constant speed. Why?

Person pushing off a wall with hands illustrating the law of action and reaction explaining their motion on a skateboard.

Ketut Subiyanto

7.A person pushes off a wall with their hand. Which law explains their motion?

Scenic lake with mountains and forest reflecting on water illustrating the impact of invasive species on native species decline.

James Lee

8.When an invasive species enters a lake, native species numbers decline. What ecological principle is this?

Close-up of melting ice cubes on a reflective surface illustrating the science process of ice shrinking over time.

Pixabay

9.Ice cubes left on a countertop shrink over time. Which process is occurring?

Aerial view of deforestation site with stacked logs and muddy ground, illustrating impacts on global climate change.

Pok Rie

10.True or false: Deforestation always leads to immediate changes in the global climate.

View of Earth's curved horizon from space highlighting atmospheric layers related to Earth's magnetic field effects.

Jaymantri

11.If Earth's magnetic field disappeared, which effect would be most noticeable?

Passenger wearing headphones sitting on a bus, illustrating general science knowledge quiz about acceleration and motion.

cottonbro studio

12.A passenger in a bus lurches backward when it suddenly accelerates forward. What explains this?

Close-up of red blood cells scattered on a white surface illustrating platelets in general science knowledge quiz.

Roger Brown

13.True or false: Platelets are responsible for transporting nutrients in the blood.

Close-up of a small stream with rocks and grass, illustrating the process responsible for replenishing groundwater.

PUWOOK Kwak

14.Choose the process that is primarily responsible for replenishing groundwater.

Phone charger plugged into wall socket with cable, illustrating energy transformation in general science knowledge quiz.

Markus Spiske

15.You plug in a phone charger, and the wire becomes slightly warm. What energy transformation explains this?

Long exposure photo of star trails circling above a mountain, illustrating a planet's path around a star orbit concept.

Adam Krypel

16.Complete the sentence: A planet's path around a star is called _____.

Colorful hot air balloon floating above mountains against a clear sky illustrating warm air balloon temperature effects indoors.

Joetography

17.A warm air balloon is released indoors in a closed room. Over time, what happens to the air temperature near the balloon?

Hands playing a flute and a trumpet, illustrating sound wave properties causing different tones despite same note played.

Charles Parker & PNW Production

18.A flute and a trumpet play the same note, but sound different. What property of the sound wave causes this?

Yellow, cyan, and magenta pigments mixing underwater, illustrating general science knowledge quiz color theory concept.

Mikhail Nilov

19.True or false: Mixing cyan, magenta, and yellow pigments together produces white.

Ice skater jumping and tucking legs mid-air on ice rink, demonstrating the science behind spinning faster in motion.

Pavel Danilyuk

20.An ice skater jumps and tucks their legs mid-air, spinning faster. Why?

Cyclist leaning into a curve on a road race, demonstrating the force responsible for balance and turning in general science.

Pavel Danilyuk

21.Cyclists lean into curves during a race. What force is responsible for this?

Tuning fork standing on black surface, illustrating sound energy conversion in general science knowledge quiz concept.

Thirdman

22.When striking a tuning fork, the vibrating prongs produce sound that travels through the air. What energy conversion occurs here?

Lightning strikes a large building during a thunderstorm, illustrating the delay caused by the speed difference of light and sound.

Petr Ganaj

23.Lightning strikes a large building. You hear thunder seconds later. What causes the delay?

Young woman resting outdoors after exercise, illustrating anaerobic respiration in muscles during intense activity.

Ketut Subiyanto

24.Complete the sentence: Anaerobic respiration occurs in muscles when _____.

Telescope set against a starry night sky with the Milky Way, illustrating why astronomers observe stars at night.

Lucas Pezeta

25.Why do astronomers observe stars at night instead of during the day?

Close-up of a bottle with foaming bubbles illustrating the chemical reaction of baking soda and vinegar in general science quiz context.

RDNE Stock project

26.Baking soda reacts with vinegar to produce bubbles. In this context, which type of change is this?

Close-up of a hand moving quickly through the air illustrating the force explaining sensation of resistance in science quiz.

Jay Brand

27.Moving your hand quickly through the air creates a sensation of resistance. Which force explains it?

Child drawing a road while distant objects in landscape appear hazier illustrating atmospheric perspective phenomenon in science quiz.

Artem Podrez & Ilya

28.When drawing a road, distant objects appear hazier. What phenomenon is at play?

Orange life buoy floating on dark blue water, illustrating factors affecting buoyant force on submerged objects.

Nikolaos Dimou

29.Which factor primarily affects the buoyant force on an object submerged in water?

Two white rabbits sitting on grass near a highway representing evolutionary concepts in general science knowledge quiz.

Junior Cazangi & El Jundi

30.A population of rabbits is suddenly split by a highway, isolating two groups. Which evolutionary concept applies to the resulting genetic differences?

Abstract image of curved black and white lines illustrating wave patterns for general science knowledge quiz.

Tim Mossholder

31.Which type of wave can travel through both solids and gases?

Astronaut in orbit experiencing weightlessness, demonstrating the physical concept of microgravity above Earth.

Pixabay

32.Astronauts in orbit experience weightlessness. Which physical concept explains this?

Large industrial reaction vessel with temperature control used in speeding up chemical reactions in science.

Mark Stebnicki

33.Increasing the temperature of a reaction vessel often speeds up chemical reactions. Why does this happen?

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