Science Quizzes, Questions & Answers

We offer a wide range of science quizzes covering chemistry, biology, physics, astronomy, and more. Read more

You might enjoy exploring these engaging Science Trivia questions!

Science Quizzes By Grade

3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade 9th Grade 10th Grade 11th Grade 12th Grade

Physics Quizzes

Mechanics Thermodynamics Waves And Oscillations Optics Electricity And Magnetism Modern Physics Nuclear Physics Quantum Physics Relativity Astrophysics Fluid Mechanics Measurement And Units

Physics Quiz For 10th Grade Student

This 'Physics Quiz Grade 10' is designed to test your understanding of basic physics concepts and principles at the grade 10 level. It covers topics such as mechanics, elec...

Questions: 15 | Attempts: 47024 | Last updated: Jun 16, 2025

Sample Question
Physics is defined as:

The study of nature, animals, and plants

The study of matter and its motion through space and time.

Developed out of efforts of man trying to understand space and astronomy

The science of the human body.

8th Grade Quiz Questions and answers

Are you a student in 8th Grade? You can take this 8th Grade quiz and test your knowledge. We have been able to cover a lot in first-period physics and the quiz to test your underst...

Questions: 57 | Attempts: 27111 | Last updated: Feb 28, 2025

Sample Question
The meteorologist is a scientist who studies weather.

True

False

Matter- Physical Science 8th grade

This is a quiz for physical science 8th grade 1st nine weeks.

Questions: 10 | Attempts: 17942 | Last updated: Oct 06, 2025

Sample Question
What are the smallest particles of matter?

Atoms

Elements

Molecules

Mass

Chemistry Quizzes

Physical Chemistry Inorganic Chemistry Organic Chemistry Analytical Chemistry Biochemistry Environmental Chemistry Industrial Chemistry Nuclear Chemistry Polymer Chemistry Theoretical Chemistry Medicinal Chemistry Green Chemistry Materials Chemistry

Chemistry Test: Questions & Answers for Every Level

Are you looking to ace your next chemistry test? Look no further! This quiz is your ultimate source to mastering this challenging subject. Packed with comprehensive study materials...

Questions: 194 | Attempts: 101506 | Last updated: Apr 07, 2025

Sample Question
What are the substances that enter a chemical reaction called?

Reactants

Products

Catalysts

None of the above

Grade 10 Chemistry Test: Assess Your Knowledge

Chemistry, at its core, is the study of matter and its properties as well as how matter changes. It is a field that explores the very essence of our world, from the air we breathe ...

Questions: 10 | Attempts: 101083 | Last updated: Jun 12, 2025

Sample Question
What is the chemical symbol for gold?

Ag

Fe

Au

Hg

Grade 9 Chemistry Quiz: Test Your Chemistry Knowledge

Test your knowledge with this engaging grade 9 chemistry quiz! This quiz covers fundamental concepts, from atomic structure and the periodic table to chemical bonding and reactions...

Questions: 15 | Attempts: 82812 | Last updated: Jun 23, 2025

Sample Question
Elements consist of a single type of atom.

True

False

Biology Quizzes

Cell Biology Genetics Evolution Ecology Human Anatomy And Physiology Botany Plant Biology Zoology Animal Biology Microbiology Biotechnology Molecular Biology Immunology Developmental Biology

7th Grade Science Quiz Questions and Answers

The Science Quiz for Class 7 is designed to assess and enhance your understanding of essential science topics. With a range of questions from biology, physics, chemistry, and envir...

Questions: 15 | Attempts: 388104 | Last updated: Feb 28, 2025

Sample Question
Which part of a plant is responsible for absorbing water and minerals from the soil?

Leaves

Stem

Roots

Flowers

Science Quiz For Grade 6 Students

Are you ready to test your knowledge with a Science Quiz Bee Grade 6? This quiz is designed to challenge students with important science concepts, covering topics like the human bo...

Questions: 15 | Attempts: 228769 | Last updated: Jun 12, 2025

Sample Question
What is Science?

Study of living things

Study of nature

Study of scientific law

All of the above

Grade 10 Science Practice Exam With Answers

Are you familiar with all the basic science concepts related to Grade 10 science? If so, attempt these practice exam questions with answers and test your knowledge. Many important ...

Questions: 58 | Attempts: 105009 | Last updated: Jul 02, 2025

Sample Question
In all living things, the basic unit of life is the:

Nucleus

Cell

Nucleolus

Brain

Earth And Space Science Quizzes

Geology Meteorology Oceanography Environmental Geoscience Paleontology Climate Science Hydrology Natural Disasters Earth Systems And Cycles Soil Science

Earth Day Quiz: Test Your Knowledge Of Planet Earth

What do you know about Earth Day? Test your knowledge of planet earth with the quiz given below. In honor of earth day, which is celebrated on April 22 every year, we will check ho...

Questions: 31 | Attempts: 34728 | Last updated: Mar 06, 2025

Sample Question
Where is the Earth located in the Solar System?

It's the second planet from the Sun.

It's the third planet from the Sun.

It's the fourth planet from the Sun.

It is the fifth planet from the Sun.

Earth's Spheres Quiz

The Earth's Spheres Quiz explores the dynamic interactions among Earth's systems, including the atmosphere, hydrosphere, geosphere, and biosphere. It assesses understanding...

Questions: 5 | Attempts: 10980 | Last updated: Apr 08, 2025

Sample Question
A change to one system will effect:

All other spheres

No other spheres

Only one other sphere

It is impossible to tell

Know Your Planet Class 5 Questions and Answers

Hey, do you know enough about our planet and solar system? Think you can pass this 'Know Your Planet Class 5' quiz questions and answers? Try answering the questions given ...

Questions: 10 | Attempts: 10970 | Last updated: Sep 03, 2024

Sample Question
The ratio between the distance on a map and the actual distance on the ground is called

Symbol

Sphere

Scale

Direction

Astronomy Quizzes

Observational Astronomy Solar System Stars And Stellar Evolution Galaxies Cosmology Exoplanets Astrobiology Astronomical Instruments Space Exploration And Missions Celestial Mechanics And Orbits

General Knowledge on Science Quiz For Grade 6

Are you ready to test your brainpower with a fun and exciting science quiz for grade 6? This quiz is designed to engage young minds with a variety of general knowledge questions re...

Questions: 19 | Attempts: 68279 | Last updated: Mar 03, 2025

Sample Question
Which planet is the biggest?

Saturn

Uranus

Jupiter

Mars

Day and Night/ Seasons Quiz Practice

Explore the mechanics of Earth's movements with the Day and Night\/Seasons Quiz Practice. This quiz covers Earth's rotation and revolution, axis alignment, and the cyclical nature ...

Questions: 14 | Attempts: 14171 | Last updated: Mar 21, 2023

Sample Question
The Earth moves around...

The Sun

The Moon

Roberto Clemete Middle School

The Earth

Earth in Space

Earth in space is a quiz for all those in year 7. It tests your knowledge in the aspect of the earth as a whole in the space and in relation to the other features of space. All the...

Questions: 20 | Attempts: 8446 | Last updated: Apr 09, 2025

Sample Question
Which three things does the Earth need to support life?

Water, light, and humans

Water, atmosphere, and light

Soil, light, and food

Atmosphere, transportation, and food

Biochemistry Quizzes

Biomolecules (13) Bio Carbohydrates (14) Proteins (26) Enzymes (4) Lipids (14) Metabolism (39) Bioenergetics (7) Vitamins (4) Hormones (1) Cell Signaling (4)

An Informative Quiz on Basic Biochemistry

Living organisms have a lot of chemicals and elements within them, and studying biochemistry is one way of opening ourselves to this. If you have just begun studying biochemistry, ...

Questions: 13 | Attempts: 21581 | Last updated: Mar 13, 2024

Sample Question
Which one is odd here?

Nucleic acid

Monosaccharides

Lipid

Protein

Fundamental Of Biochemistry Quiz Questions And Answers

We welcome you to this super fun & informative fundamental of biochemistry quiz questions and answers. Are you ready to test your knowledge and learn new, exciting concepts of ...

Questions: 25 | Attempts: 19693 | Last updated: Sep 01, 2025

Sample Question
Characteristic(s) of carbon that contribute to its ability to form diverse organic molecules include

Ability to bond up to four other atoms

Capacity to form single and double bonds

Ability to bond and form branched skeletons

All of the above

The Kreb Cycle and Electron Transport Chain

In this quiz, you will be tested on the mechanics of the Krebs cycle and the electron transport chain.

Questions: 5 | Attempts: 10014 | Last updated: May 01, 2023

Sample Question
What process occurs in the mitochondria membrane?

The Kreb cycle

The electron transport chain

Spectrum

Microbiology Quizzes

Bacteriology (32) Virology (32) Mycology (16) Parasitology (51) Microbial Genetics (2) Microbial Ecology (11) Pathogenic Microbiology (17) Food Microbiology (4) Industrial Microbiology (1) Environmental Microbiology (2)

Coronavirus Facts Quiz: Test Your Pandemic Knowledge

Coronavirus (COVID-19) is a group of related viruses that have created havoc among humans in the entire world, which causes mild respiratory tract infections. Common signs of infec...

Questions: 10 | Attempts: 91121 | Last updated: Mar 22, 2023

Sample Question
The Coronavirus has originated from which country?

Japan

Wuhan, China

India

United States

Sterilization MCQ Quiz With Answers

How much do you know about Sterilization? Think you can pass this quiz? This sterilization multiple choice quiz has been designed while keeping in mind the needs of the person taki...

Questions: 54 | Attempts: 34210 | Last updated: Jul 24, 2025

Sample Question
The absence of all forms of microbial life, including spores, is known as:

Sanitization

Disinfection

Decontamination

Sterility

Microbiology Knowledge MCQ Quiz!

Microbiology is seen as the scientific study of microscopic organisms that are around our environment. Contrary to what most people think, microbes are most beneficial in our lives...

Questions: 14 | Attempts: 20642 | Last updated: Mar 22, 2023

Sample Question
All of the following organisms cause Nosocomial infections except:

Acinetobacter

E. aerogenes

Klebsiella pneumoniae

Pseudomonas

Solar System Quizzes

Mercury (2) Venus (1) Earth (3) Moon (7) Mars (3) Dwarf Planets (3) Asteroids (8) Comets (2)

Sun, Moon And Earth Quiz for 5th Grade

We are surrounded by a lot of galaxies and planets. Do you understand our universe quite well? If yes, then try this ' Sun, Moon And Earth Quiz for 5th Grade' that we&...

Questions: 13 | Attempts: 25643 | Last updated: Nov 18, 2024

Sample Question
What is the word for the path where the moon turns around the earth?

Turning

Orbit

Rotates

Revolution

Test Your Knowledge On Solar System! Trivia Questions

Explore the dynamics of our solar system with 'Test Your Knowledge On Solar System! Trivia Questions'. This quiz assesses your understanding of planetary orbits, energy from the su...

Questions: 20 | Attempts: 22309 | Last updated: Dec 06, 2024

Sample Question
Which planet receives the most energy from the sun?

Earth

Neptune

Asteroid

Moon

8th Grade Planets And Space Quiz

Space is vast and infinite; it is a boundaryless arena of planets, stars, galaxies, and unimaginably large objects. This space quiz for class 8 is designed to test your understandi...

Questions: 13 | Attempts: 13879 | Last updated: Oct 23, 2024

Sample Question
What is the furthest planet from the sun?

Earth

Neptune

Uranus

Mars

Top Trending Science Quizzes

Science Quiz: Basic Questions And Answers

Are you curious about the world around you? Do you love exploring how things work? Then get ready to put your knowledge to the test with our exciting science quiz! This interactive quiz is designed to challenge your...

Questions: 15 | Attempts: 338156 | Last updated: Feb 28, 2025

Sample Question
What group of stars is the sun classified in?

Supernova

Yellow Dwarf

Red Supergiant

Hypernova

Test Your Science Basics: Science Quiz Bee

The Science Quiz Bee is designed to test your knowledge of scientific concepts, theories, and facts across different fields such as physics, chemistry, biology, and earth science. This quiz challenges your understanding of...

Questions: 15 | Attempts: 33540 | Last updated: Feb 28, 2025

Sample Question
What is the name of the hard rock that forms from loose volcanic ash cemented together?

Tuff

Cinders

Lapilli

Volcanic bombs

Science Quiz For Grade 9

Challenge your knowledge and sharpen your skills with this engaging "Science Quiz Class 9" assessment. Designed for students in grade 9, this quiz covers a range of fascinating topics, including biology,...

Questions: 20 | Attempts: 177642 | Last updated: Jun 23, 2025

Sample Question
Distance is a ________________ quantity.

Scalar

Vector

Grade 9 Science Quiz: Review Key Concepts

Get ready to test your knowledge with our engaging Science Quiz for Grade 9! This detailed quiz is designed to challenge students on key concepts covered in the Grade 9 science curriculum. From biology and chemistry to physics...

Questions: 40 | Attempts: 96168 | Last updated: Jun 25, 2025

Sample Question
When is an atom considered stable?

When it has a full outer valence shell.

When it has the same amount of electrons as protons.

When it has no neutrons.

When it has an odd number of valence electrons.

World's Hardest Science Quiz You'll Ever Take!

Challenge your scientific knowledge with our Hard Science Quiz! Put your expertise to the test and tackle some of the most complex science questions from diverse disciplines. Whether you are a science enthusiast or have a curious...

Questions: 10 | Attempts: 90679 | Last updated: Sep 22, 2024

Sample Question
What kind of small objects compose much of the universe?

Atoms

Dark matter

Anti-matter

None of the above

Popular Science Quizzes

ACE It Or SpACE Out? Try These Science Related Quiz Questions

Ace It or Space Out? Try These Science Related Quiz Questions

The "Science Quiz for Class 6" is designed to test your understanding of key scientific concepts that are introduced in the 6th-grade curriculum. This quiz covers topics like biology, chemistry, physics, and earth...

Questions: 15 | Attempts: 284829 | Last updated: Jul 15, 2025

Sample Question
What is the SI unit (International System of Units) of speed?

M/s

Cm/kg

Km/h

V/A

Science Quiz Questions For Grade 11 And 12

Science Quiz Questions for Grade 11 and 12

Are you ready to test your knowledge with a challenging science quiz? The Science Quiz Questions for Grade 11 and 12 cover key topics in physics, chemistry, and biology. The questions will assess your understanding of scientific...

Questions: 20 | Attempts: 69827 | Last updated: Feb 13, 2025

Sample Question
Why does a person sitting in a moving bus suddenly move forward when the bus suddenly stops?

Due to inertia

Due to brakes

Due to negative acceleration

Due to the force exerted by the machine

Recent Science Quizzes