100+ Free Science Quizzes
Challenge yourself and master science with QuizMaker's interactive quizzes!
Atmospheric Layers Quiz: Where Does Weather Occur?
Take this free quiz to test your knowledge of atmospheric layers! Discover which layer most weather occurs in and which is closest to Earth. Start now!
Atomic Numbers 21 - 30 Quiz: Element Symbols & Names
Test your knowledge of elements 21-30 with our free symbols & names quiz. Challenge yourself now and see if you can name Scandium through Zinc flawlessly!
Atomic Structure Quiz - Test Your Chemistry Knowledge
Test your knowledge with our free atomic structure quiz! Challenge yourself on electron configurations, subatomic particles, and periodic trends - dive in now!
Atomic Structure Quiz: Ionic & Atomic Radii Trends
Test your understanding with this free Atomic Structure Quiz! Challenge yourself on ion sizes, isoelectronic species, and atomic radii trends. Get instant feedback - start now!
Atoms and Molecules Quiz - Elements & Compounds Practice
Take this free Atoms and Molecules Quiz to test your chemistry smarts! Answer questions on elements, compounds & atomic structure. Challenge yourself!
Basic Astronomy Quiz - Free Questions with Answers
Challenge yourself with our free astronomy quiz! Test your knowledge of planets, stars, and galaxies with astronomy questions and answers. Start now and see how you score!
Basic Electricity Quiz for 8th Grade - Free Online
Take this free 8th grade electricity quiz! Test your circuits, voltage & current knowledge. Challenge yourself now and see if you can ace it!
Basic Science Quiz - Free Easy Questions & Answers
Take our free basic science quiz to test your knowledge with simple questions and answers. Challenge yourself now and find out how you score!
Basic Science Quiz - Test Your Knowledge for Free
Test your science smarts with our free basic science quiz! Challenge yourself on physics, chemistry & biology questions. Ready to ace it? Start now!
Behaviorism Quiz - Conditioning, Reinforcement & More
Take this free behavioural learning theories quiz to test your grasp of behaviorism questions. Think you can ace it? Challenge yourself now!
Benzene Derivatives Crossword Clue Quiz - Free Practice
Take our free Benzene Derivative Crossword Clue quiz to test your aromatic chemistry knowledge. Think you can ace this benzene derivatives challenge?
Big Bang Practice Quiz - Evidence and the Universe's Origin
Challenge yourself with our free Big Bang quiz to test your cosmology knowledge. Explore origin of the universe and Big Bang theory. Start now!
Bikini Bottom Genetics Quiz - Traits & Inheritance
Test your Spongebob genetics knowledge in this free Bikini Bottom quiz. Challenge yourself with incomplete dominance and dihybrid cross questions now!
Binomial Nomenclature Quiz: Test Your Taxonomy Knowledge
Test your taxonomy binomial nomenclature skills with this free quiz! Challenge yourself on binomial naming systems and species naming - start now!
Bio 1010 Exam 1 Quiz - Free Practice Questions
Test your knowledge with this free Biology 1010 Exam 1 quiz on scientific method, experimental design and bio fundamentals. Challenge yourself now!
Biochemistry Quiz - Test Your Knowledge (Free Online)
Test your biochemical knowledge with this free biochemistry quiz! Challenge yourself on key biochemical questions and reactions. Start the challenge now!
Biodiversity Knowledge Quiz - Free Online
Challenge yourself with our free biodiversity questions quiz! Test your knowledge of ecosystems, species, and conservation. Dive in and click to start!
Biology Basics Quiz - Free Easy Questions for Beginners
Take our free easy biology questions quiz to test your knowledge of cells, genetics, and ecosystems. Challenge yourself now and see how much you really know!
Biology Chapter 1 Practice Test - Free Online Quiz
Test your knowledge with our free Chapter 1 Biology Quiz! Challenge yourself on foundational science concepts. Start now and see how you score!
Biology CLEP Practice Test - Free Online Quiz
Free Biology CLEP practice test with realistic questions. Test your biology knowledge, boost confidence, and ace your CLEP exam. Try it now!
Biology IQ Test - Free Online Knowledge Quiz
Take our free IQ biology quiz to test your knowledge of cell biology, genetics, evolution, and more. Challenge yourself now and see how you rank!
Biology Questions and Answers - Free Online Quiz
Challenge yourself with our free Biology Questions Quiz! Test cells, DNA & ecosystems in this scored quiz packed with easy biology questions. Dive in now!
Biology Trivia Quiz - Test Your Knowledge (Free)
Take this free trivia biology questions quiz to test your understanding of organisms. Challenge yourself on cells, genetics, ecosystems and more! Start now.
Biology Trivia Quiz - Test Your Knowledge for Free
Challenge yourself with our free biology trivia questions quiz! Test your knowledge on cladograms, derived characters, and core concepts. Start now!
Biotechnology History Quiz - Test Your Knowledge
Challenge yourself with our free history of biotechnology quiz! Test your knowledge on biotech milestones, evolution, and famous discoveries. Start now!
Biotic Factor Examples Quiz - Free Ecology Practice
Test your ecology expertise with our free ecology practice quiz. Challenge yourself with ecosystem trivia and environmental science questions. Start now!
Blood Spatter Test - Forensics Practice Questions (Free)
Free Blood and Blood Spatter Quiz! Test arterial spatter know-how, angle of impact skills, spines definitions, and more. Challenge yourself now!
Boer Goat Facts Quiz - Test Your Knowledge (Free)
Take our free Boer goats quiz to test your knowledge on Boer goat facts, from South African origins to meat quality. Challenge yourself now!
Boiler Test Questions - High-Pressure Quiz (Free)
Challenge yourself with this free boiler exam test! Our high-pressure boiler quiz checks your operation and safety knowledge. Take it now!
Botany Quiz - Test Your Plant Biology Knowledge
Challenge yourself with this free Botany Quiz testing your plant biology and botanical knowledge. Test your knowledge now and see how green your thumb can grow!
Botany Quiz: Plant Identification & Trivia (Free)
Test your plant knowledge with our free Plant Trivia Quiz! Challenge your botany and species ID skills. Take the quiz now and see how much you know.
Bouba/Kiki Test - Are You Kiki or Bouba?
Take our free Kiki or Bouba quiz to discover if you lean toward smooth curves or bold angles. Ready to challenge yourself? Dive in now!
Brain Areas Quiz: Identify Parts and Functions (Free)
Challenge yourself with our free parts of the brain quiz! Test your knowledge of brain regions and functions. Start now and ace the brain structure quiz!
BrainPOP Forces Quiz Answer Key - What Is True of All Forces?
Test your physics prowess with our free Forces Brainpop Quiz! Challenge yourself on types of forces, motion, and more. Test your knowledge and ace the quiz now!
BrCl3 Hybridization Quiz - Free Molecular Geometry Test
Test your BrCl3 geometry, hybridization & dipole moment knowledge with our free scored quiz. Challenge yourself now and master molecular polarity!
BSc Agriculture Quiz - Free Agricultural Science Questions
Challenge yourself with our free agricultural science quiz! Test your knowledge of agric questions, farm science trivia, and crop science questions. Start now!
Buffer Solutions Problems Quiz - Free Practice & Answers
Test your buffer solution practice problems skills with our free quiz! Challenge yourself on buffer practice problems and pH calculations. Start now!
Butterfly Trivia Questions - Play the Free Online Quiz
Test your butterfly trivia knowledge for free with our spring butterfly quiz! Challenge yourself on flight conditions and life cycle facts. Try the quiz now!
CaI2 Compound Name Quiz - Empirical Formula Practice
Test your skills with our free Empirical Formula of Ca2 and I- quiz. Challenge yourself on naming compounds, chemical nomenclature, and more. Start now!
Car Engine Quiz - Identify Parts and Components
Test your knowledge of engine components in this free engine parts quiz! Challenge yourself with fun car engine questions and see your score now.
Carrying Capacity Practice Problems Quiz - Population Limits
Take our free carrying capacity quiz to test your ecology and biology knowledge on population limits. Challenge yourself now!
CBRN Board Questions Quiz - Free Army Practice
Challenge yourself with our free CBRN board questions quiz. Test your chemical, biological, radiological, nuclear defense knowledge. Start now and see how you score!
CDL Air Brakes Endorsement Quiz - Spring Brake Power
Take our free CDL air brakes quiz to test your knowledge on spring brakes power and system controls. Challenge yourself now and ace the test!
Cell Labeling Quiz - Name the Parts of a Cell (Free)
Test your cell structure skills with our free cell labeling quiz! Identify parts from nucleus to mitochondria and challenge yourself. Start now!
Cell Organelles and Their Functions Quiz - Free Practice
Challenge yourself with this free cell organelles and their functions quiz! Test what each organelle - from mitochondria to lysosomes - does and see your score. Start now!
Cell Organelles Quiz - Test Your Biology Knowledge
Test your knowledge of plant, animal, eukaryotic & prokaryotic cell organelles in this free quiz. Challenge yourself now and master cell structure skills!
Cell Organelles Quiz: Lysosomes, Smooth ER Function
Test your knowledge of cellular organelles with our free quiz! Challenge yourself on organelle functions and cell structures. Ready to ace the organelles quiz?
Cell Type Test: Identify Cell Types (Free Quiz)
Take our free Cell Types Practice Quiz! Test your knowledge of plant and animal cells. Ace cell biology and challenge yourself now.
Cellular Biology Quiz - Test 1 (Free Online)
Challenge yourself with our free Cell Biology Test 1! Test your cell structure and function knowledge. Ready to ace this quiz? Dive in now!
CFC Test - Free Chlorofluorocarbon Quiz Online
Challenge yourself with our free CFC test to assess your chlorofluorocarbon know-how. Test your knowledge now and boost your CFC exam readiness!
CH3OH Intermolecular Forces Quiz - Free Practice
Test your knowledge of intermolecular forces ch3oh, hydrogen fluoride imf, and more in this free, scored quiz. Challenge yourself now and see if you ace it!
Chapter 4 Chemistry Practice Quiz - Free Online
Challenge yourself with our free Chapter 4 test in Chemistry! Test your knowledge of element properties, periodic table groups, and more. Start now!
Characteristics of Life Quiz - Free Online Biology Test
Take our free Characteristics of Life Quiz to test your knowledge of cellular structure, organization, and metabolism. Challenge yourself now!
Chemical Nomenclature Quiz - Free Practice Online
Test your chemical nomenclature skills with this free quiz! Name compounds, apply IUPAC rules, and boost your organic chemistry confidence now.