100+ Free Science Quizzes
Challenge yourself and master science with QuizMaker's interactive quizzes!
Chemical Reactions & Equations Quiz - Free Balancing Practice
Challenge yourself with a free Chemical Reactions Quiz! Test your knowledge on balancing equations, identifying reaction types, and writing formulas. Start now!
Chemical vs Physical Properties Quiz - Free Practice
Test your knowledge of physical and chemical properties in this free quiz! Challenge yourself to identify density, flammability, and more. Start now!
Chemistry 101 Quiz - Free Test of Basic Concepts
Challenge yourself with this free Chemistry 101 quiz! Test your basic chemistry knowledge, from reactions to safety. Dive in and ace it now!
Chemistry Chapter 2 Test - Free Practice Questions
Take our free Chemistry Chapter 2 Test and master chemical & physical changes, reactions, and atom behavior. Challenge yourself now!
Chemistry IQ Test - Solids, Liquids & Gases
Challenge yourself with our free solids, liquids, and gases quiz! Test your chemistry skills and discover fascinating facts on liquids and other states of matter. Start now!
Chemistry Lab Safety Quiz - Test Your Knowledge
Challenge yourself with our free chemistry safety quiz to master critical lab rules and procedures. Test your hazard symbol knowledge and start now!
Chemistry Quiz: Basic Concepts Challenge (Free)
Take our free basic chemistry quiz to test your knowledge! Challenge yourself with fun, simple chemistry questions. Start the quiz now!
Chemistry Quiz: Can You Ace Dr. Doe's Challenge?
Challenge yourself with Dr. Doe's free chemistry quiz! Test elements, reactions, and principles in this fun trivia. Dive in now!
Chemistry Trivia Questions Quiz - Test Your Knowledge
Test your knowledge with this free chemistry trivia questions quiz! Challenge yourself with trivia questions about chemistry and prove your skills now!
Chemistry Unit 2 Test - Free Online Practice Questions
Take our free Chemistry Unit 2 test covering periodic table, electron shells & chemical tests. Test your knowledge now and boost your chemistry skills!
Chicken Trivia Quiz - Free Online Challenge
Test your chicken knowledge for free! Take our chicken trivia quiz full of fun trivia questions and breed facts. Challenge yourself now and see if you can ace every question!
Chipped or Cracked Glassware: OK to Use? True or False Quiz
Test your lab safety know-how in this free quiz. Tackle questions on chipped or cracked glassware, hot versus cold glass, chemical waste disposal and more. Challenge yourself now!
Chirality Test - Free Stereochemistry Practice
Challenge yourself with our free stereochemistry practice quiz! Test your knowledge of chiral centers, stereoisomers, and enantiomers. Start the quiz and sharpen your chemistry skills now!
Chloroplast Thylakoids Quiz - Name the Flattened Sacs
Test your photosynthesis know-how in this free quiz! Name the flattened sacs of internal membranes in photosynthesis. Challenge yourself now!
Citric Acid Cycle Quiz - Test Your Biochemistry Knowledge
Take our free Citric Acid Cycle quiz to test your Krebs cycle knowledge and cellular respiration skills. Challenge yourself now and see how you score!
Classical Conditioning CLEP Practice Quiz - Free Intro Psych
Free CLEP introductory psychology practice test with realistic questions. Assess research methods, major theories, and behavior - test your skills now!
Classification of Living Organisms Quiz - Modern System
Take our free Classification in Living Organisms quiz to test your knowledge of grouping things by common characteristics. Challenge yourself now!
Classification of Matter Quiz - Elements, Compounds & Mixtures
Take our free classification of matter quiz to test your knowledge of elements, compounds and mixtures. Challenge yourself now and see if you can ace it!
Classification of Matter Quiz - Free Chemistry Practice
Test your classification matter knowledge with this free quiz! Challenge yourself now to sort solids, liquids, and gases correctly. Dive in and shine today!
Composition of Mixtures Quiz - Free Chemistry Practice
Take our free Composition of Mixtures quiz to challenge your skills in physical & chemical changes, elements, compounds, and mixtures. Test your knowledge now!
Compound Microscope Parts Quiz - Test Your Knowledge
Test your knowledge of microscope components with our free quiz on parts of a microscope. Identify lenses, stages, and more. Challenge yourself today!
Convection Questions Quiz - Free Heat Transfer Practice
Test your command of convection questions in our free quiz on heat movement in fluids. Challenge yourself now!
Cosmology Quiz - How Well Do You Know the Universe?
Take our free cosmology quiz on dark matter, the Big Bang, and more. Test your knowledge now and explore the mysteries of the universe!
Crime Scene Investigator Test - Free CSI Challenge
Test your detective skills with our free crime scene investigator test! Challenge yourself with CSI trivia and evidence questions. Dive in now!
Crystal Identification Quiz - Mineral Properties & Systems
Join our free crystal quiz to test your knowledge of mineral properties and crystal systems. Challenge yourself now with fun, interactive questions!
CSWIP 3.1 Mock Test - Free Welding MCQ Practice
Ready to ace your CSWIP 3.1 welding multiple choice exam? This free quiz tests your knowledge of key concepts like reverse polarity and more. Challenge yourself now!
CSWIP 3.1 Quiz - Welding Inspection Practice Questions
Challenge yourself with our free CSWIP 3.1 quiz! Test your welding inspection knowledge and ace every question. Dive in now and prove your expertise!
CWI Practice Test - Free Welding Inspector Sample Questions
Challenge yourself with our free CWI practice test! Simulate certified welding inspector exam questions now - test your knowledge and boost your confidence.
Dairy Trivia Quiz - Test Your Milk Knowledge for Free
Test your milk facts and dairy knowledge in our free Dairy Trivia Quiz! Challenge yourself, learn fascinating dairy trivia, and start now!
DC 3rd Class Engineer License Practice Test - Free Online
Test your skills with our free DC 3rd Class Engineer License Practice Test. Challenge yourself on 3rd grade stationary engineer exam prep and ace your license!
Density, Mass & Volume Quiz - Free Physics Practice
Test your knowledge of volume, mass & density in our free Volume Mass Density Quiz. Challenge yourself now and master density formulas!
Detergents Used in Mechanical Cleaners Quiz - Free
Test your sanitation smarts and see if you know which detergents used in mechanical cleaners should be. Challenge yourself now with this free quiz!
Developmental Psychology Quiz - Free Online Practice
Challenge yourself with our free Developmental Psychology Quiz! Test your knowledge of child development stages and key theories. Take the test now!
DGCA Air Regulations Mock Test for CHAA - Free
Take our free CHAA practice exam to master DGCA air regulations. Challenge yourself now with questions on instrument ratings, navigation lights, taxiway markings - start!
Dial Caliper Reading Quiz - Free Practice for Machinists
Test your precision with our free reading a dial caliper practice quiz. Challenge yourself to master English and metric dial calipers - start now!
Dichotomous Key Quiz: What Step Do We Always Start With?
Take our free dichotomous key practice quiz! Test your skills with dichotomous test questions and get instant feedback. Challenge yourself now!
Digestive Enzymes Quiz - Functions, Substrates, and pH
Take our free scored enzymes and digestion test! Challenge your stomach enzymes, organ roles, and digestion knowledge. Start now!
Dimorphic Fungi Quiz - Yeast or Mold? Free Mycology Practice
Challenge yourself with a free scored quiz on fungi capable of dimorphism grow as yeast or mold. Test your mycology knowledge and ace the quiz now!
Dinosaur Quiz - Free Prehistoric Trivia Challenge
Take our free dinosaur trivia questions quiz to test your dino knowledge and challenge yourself. Dive in now and prove you're a prehistoric pro!
Dinosaur Quiz for Adults - Hard Prehistoric Trivia
Take our free dinosaur trivia quiz to test your knowledge of T-Rex, Stegosaurus and more! Challenge yourself now and see if you can ace this dino quiz.
Dinosaur Quiz for Kids - Free Trivia Challenge
Take our free dinosaur trivia quiz for kids! Challenge yourself with fun quiz questions about dinosaurs and prehistoric facts. Test your knowledge now!
DNA Structure Labeling Quiz - Free Online
Take our free DNA structure quiz to test your mastery of the double helix and base pairing. Challenge yourself now and ace the dna drawing labeled diagrams!
DNA Test Quiz - How Well Do You Know DNA?
Test your knowledge with this free online DNA test quiz! Challenge yourself with engaging questions about DNA structure, function and genetics. Try now!
Do Tortoises Have Opposable Thumbs? Wildlife Quiz
Challenge yourself with our free Endangered Species Quiz! Test your wildlife knowledge: does a tortoise have opposable thumbs & other extinction facts. Start now!
Earth Day Quiz - True or False Eco Facts (Free)
Challenge yourself with our free Earth Day true or false quiz! Test your eco-knowledge, learn fun facts about animals, boost your green awareness. Take the quiz now!
Earth Science Quiz - Free Test Your Knowledge Online
Test your knowledge with our free Earth science trivia quiz! Dive into geology, meteorology, and oceanography. Challenge yourself now and see your score!
Earth Science Trivia - Free Online Quiz
Take our free Earth Science Questions quiz to test your knowledge of rocks, climates, and ecosystems. Challenge yourself and see how many you ace!
EAS Practice Quiz: Electrophilic Aromatic Substitution
Test your knowledge with our free Aromatic Electrophilic Substitution quiz! Tackle EAS practice problems to boost your chemistry skills. Start now!
Ecological Pyramids Quiz - Energy, Biomass & Numbers
Challenge yourself with our free Types of Ecological Pyramids Quiz! Test your knowledge on classifying biomass, trophic levels & more. Dive in now!
Ecological Succession Stages Quiz - Free Practice
Challenge yourself with our free ecological succession quiz! Test your knowledge of pioneer species, primary vs secondary succession. Start now!
Ecology Quiz - Test Your Knowledge Online (Free)
Take our free ecology quiz to test your knowledge of ecosystems, biodiversity, and sustainability. Challenge yourself now with engaging questions!
Ecosystem Interactions Quiz - Free Ecology Practice
Free quiz to test if you know that an ecosystem is best described as the interaction of living and non-living factors. Challenge yourself now!
Ecosystem Vocabulary Quiz - Free Ecology Terms Practice
Test your knowledge with our free ecosystem vocabulary quiz! Challenge yourself on key ecology terms, from biodiversity to trophic levels. Start now!
Electricity Is the _____ of Charged Particles - Quiz
Challenge yourself with our free Electricity Quiz! Test your knowledge of electric current and charged particles. Take the quiz now and power up your science skills!