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  - Mechanics
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    - Kinematics 36
    - Dynamics 5
    - Forces 80
    - Energy 13
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    - Gravitation 22
    - Oscillation 3
    - Equilibrium 5
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    - Fluid Statics 6
  - Thermodynamics
    - Temperature 15
    - Heat 17
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    - Heat Transfer 65
    - Calorimetry 13
    - Kinetic Theory 42
    - Gas Laws 14
    - First Law 5
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    - Entropy 7
    - Heat Engine 2
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  - Waves and Oscillations
    - Wave Motion 22
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    - Interference 5
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  - Optics
    - Optics Reflection 32
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    - Lenses 23
    - Mirrors 3
    - Optics Dispersion 3
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  - Electricity and Magnetism
    - Electric Charge 29
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    - Current Electricity 24
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    - Electric Power 18
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    - Electromagnetic Induction 14
    - Alternating Current 6
    - Electromagnetic Waves 35
    - Circuit Theory 41
    - Electrostatics 23
  - Modern Physics
    - Atomic Physics 36
    - Quantum Theory 5
    - Particle Physics 10
    - Wave Mechanics 1
    - Photoelectricity 5
    - X Rays 11
    - Radioactivity 19
    - Spectroscopy 1
  - Nuclear Physics
    - Nuclear Radioactivity 13
    - Nuclear Decay 5
    - Half Life 3
    - Physics Nuclear Reactions 3
    - Fission 2
    - Binding Energy 15
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    - Nuclear Applications 1
  - Quantum Physics
    - Superposition 3
    - Uncertainty 6
    - Quantum Tunneling 1
    - Quantum Numbers 2
    - Atomic Models 48
    - Photoelectric Effect 7
    - Compton Effect 3
    - Wave Particle 7
    - Quantum Entanglement 2
    - Spin 3
    - Energy Levels 7
    - Probability Density 6
  - Relativity
    - Special Theory 4
    - General Theory 7
    - Time Dilation 2
    - Length Contraction 23
    - Mass Energy 15
    - Relativistic Momentum 1
    - Spacetime 1
    - Gravitational Lensing 1
    - Relativity Black Holes 1
  - Astrophysics
    - Stellar Physics 3
    - Astrophysics Black Holes 12
    - Neutron Stars 4
    - Astro Dark Matter 4
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    - Space Exploration 8
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    - Astro Radio Astronomy 2
    - Gamma Ray Astronomy 1
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  - Fluid Mechanics
    - Fluid Properties 7
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    - Buoyancy 21
    - Continuity Equation 1
    - Bernoulli Principle 8
    - Viscosity 4
    - Surface Tension 10
    - Capillarity 5
    - Turbulence 1
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    - Hydraulic Machines 28
  - Measurement and Units
    - SI Units 9
    - Derived Units 7
    - Unit Conversion 11
    - Significant Figures 34
    - Scientific Notation 13
    - Dimensional Analysis 12
    - Accuracy 8
    - Precision 27
    - Error Analysis 29
    - Measuring Instruments 29
- Chemistry
  - Physical Chemistry
    - States of Matter 202
    - Physical Gas Laws 26
    - Chemical Equilibrium 18
    - Ionic Equilibrium 50
    - Solutions 10
    - Colligative Properties 66
    - Chemical Kinetics 18
    - Electrochemistry 12
    - Surface Chemistry 2
    - Physical Quantum Chemistry 1
    - Physical Spectroscopy 5
  - Inorganic Chemistry
    - Periodic Table 231
    - Chemical Bonding 112
    - Coordination Compounds 23
    - Metallurgy 2
    - s Block Elements 1
    - p Block Elements 1
    - d Block Elements 2
    - f Block Elements 5
    - Hydrogen 8
    - Halogens 10
    - Noble Gases 5
    - Acids and Bases 74
    - Salt Analysis 28
  - Organic Chemistry
    - Organic Compounds Classification 28
    - Structural Isomerism 13
    - Nomenclature 83
    - Hydrocarbons 6
    - Haloalkanes 6
    - Alcohols 10
    - Aldehydes 3
    - Ketones 4
    - Carboxylic Acids 9
    - Amines 3
    - Organic Biomolecules 17
    - Organic Reactions 15
  - Analytical Chemistry
    - Qualitative Analysis 9
    - Quantitative Analysis 5
    - Titrations 3
    - Gravimetric Analysis 5
    - Chromatography 5
    - Spectrophotometry 3
    - Electroanalytical Methods 10
    - Mass Spectrometry 5
    - Thermal Analysis 2
    - Separation Techniques 24
  - Biochemistry
    - Biomolecules 7
    - Bio Carbohydrates 22
    - Proteins 31
    - Enzymes 24
    - Lipids 49
    - Nucleic Acids 8
    - Metabolism 4
    - Bioenergetics 1
    - Vitamins 35
    - Hormones 17
    - Cell Signaling 16
    - Genetic Code 4
  - Environmental Chemistry
    - Air Pollution 18
    - Water Pollution 20
    - Soil Pollution 4
    - Waste Management 54
    - Ozone Depletion 9
    - Acid Rain 8
    - Eutrophication 2
    - Toxicology 52
    - Radioactive Pollution 3
  - Industrial Chemistry
    - Petrochemicals 1
    - Cement 7
    - Glass 1
    - Fertilizers 4
    - Dyes 2
    - Paints 1
    - Pharmaceuticals 2
    - Food Chemistry 13
    - Pulp and Paper 2
    - Industrial Metallurgy 2
    - Detergents 6
  - Nuclear Chemistry
    - Chemistry Radioactivity 2
    - Chemistry Nuclear Reactions 2
    - Radioisotopes 8
    - Nuclear Safety 51
  - Polymer Chemistry
    - Polymerization 1
    - Addition Polymers 1
    - Condensation Polymers 1
    - Natural Polymers 1
    - Synthetic Polymers 2
    - Thermoplastics 3
    - Polymer Properties 1
    - Polymer Applications 1
  - Theoretical Chemistry
    - Molecular Modeling 1
    - Computational Chemistry 1
    - Statistical Mechanics 12
    - Chemical Thermodynamics 13
    - Reaction Dynamics 125
    - Electronic Structure 57
    - Molecular Dynamics 18
    - Spectroscopy Theory 1
  - Medicinal Chemistry
    - Drug Design 4
    - Pharmacokinetics 42
    - Pharmacodynamics 19
    - Drug Metabolism 7
    - Enzyme Inhibition 26
    - Receptor Binding 12
    - Structure Activity 11
    - Prodrugs 5
    - Natural Products 19
    - Peptidomimetics 4
  - Green Chemistry
    - Principles 8
    - Sustainable Design 1
    - Waste Prevention 8
    - Energy Efficiency 13
    - Catalysis 1
    - Biodegradable Materials 1
    - Green Synthesis 1
    - Solvent Reduction 10
    - Atom Economy 2
    - Life Cycle Analysis 3
    - Pollution Prevention 4
  - Materials Chemistry
    - Crystal Structure 51
    - Band Theory 7
    - Materials Polymers 2
    - Ceramics 5
    - Composites 2
    - Nanomaterials 9
    - Biomaterials 3
    - Corrosion 28
    - Alloys 11
    - Superconductors 1
    - Thin Films 1
    - Magnetic Materials 4
    - Optical Materials 4
- Biology
  - Cell Biology
    - Cell Theory 100
    - Prokaryotic Cells 17
    - Eukaryotic Cells 26
    - Cell Organelles 63
    - Cell Membrane 70
    - Cell Wall 2
    - Cytoplasm 14
    - Nucleus 12
    - Mitochondria 16
    - Chloroplasts 15
    - Ribosomes 13
    - Endoplasmic Reticulum 2
    - Golgi Apparatus 15
    - Lysosomes 6
    - Cytoskeleton 12
    - Cell Division 113
    - Cell Cycle 37
    - Transport Mechanisms 93
    - Cell Communication 2
  - Genetics
    - DNA Structure 95
    - RNA Structure 38
    - Gene Expression 15
    - Biological Genetic Code 5
    - DNA Replication 36
    - Transcription 8
    - Translation 4
    - Mutation 43
    - Mendelian Inheritance 38
    - Non Mendelian Inheritance 87
    - Genetic Disorders 130
    - Genetic Mapping 3
    - Genetic Engineering 9
    - Genomics 9
    - Epigenetics 5
  - Evolution
    - Origin of Life 47
    - Theories of Evolution 13
    - Natural Selection 42
    - Variation 27
    - Adaptation 23
    - Speciation 9
    - Fossil Record 12
    - Comparative Anatomy 31
    - Molecular Evidence 44
    - Human Evolution 22
    - Coevolution 6
    - Extinction 12
  - Ecology
    - Ecosystem 53
    - Biomes 10
    - Population Ecology 30
    - Community Ecology 10
    - Food Chains 98
    - Food Webs 45
    - Ecological Energy Flow 24
    - Nutrient Cycles 57
    - Biodiversity 183
    - Ecological Conservation 95
    - Habitat 119
    - Succession 24
    - Ecological Adaptation 38
    - Human Impact 37
    - Ecological Climate Change 16
  - Human Anatomy and Physiology
    - Skeletal System 252
    - Muscular System 161
    - Nervous System 340
    - Endocrine System 186
    - Circulatory System 207
    - Respiratory System 177
    - Digestive System 128
    - Excretory System 73
    - Reproductive System 139
    - Immune System 99
    - Integumentary System 51
    - Sensory Organs 213
  - Botany Plant Biology
    - Plant Anatomy 5
    - Plant Morphology 119
    - Plant Physiology 74
    - Photosynthesis 104
    - Plant Reproduction 32
    - Plant Growth 9
    - Plant Hormones 28
    - Plant Taxonomy 93
    - Plant Ecology 32
    - Plant Pathology 12
    - Economic Botany 48
    - Seed Biology 6
    - Plant Genetics 5
    - Plant Adaptations 53
  - Zoology Animal Biology
    - Classification 267
    - Porifera 10
    - Cnidaria 21
    - Platyhelminthes 34
    - Nematoda 17
    - Annelida 16
    - Arthropoda 26
    - Mollusca 16
    - Echinodermata 19
    - Chordata 13
    - Fish 27
    - Amphibians 28
    - Reptiles 41
    - Birds 61
    - Mammals 38
    - Anatomy 30
    - Physiology 29
    - Reproduction 40
    - Development 16
    - Behavior 170
  - Microbiology
    - Microbial Structure 58
    - Bacteriology 7
    - Virology 18
    - Mycology 23
    - Parasitology 45
    - Microbial Genetics 2
    - Microbial Physiology 15
    - Microbial Ecology 27
    - Pathogenic Microbiology 177
    - Microbial Biotechnology 2
    - Food Microbiology 16
    - Industrial Microbiology 4
    - Environmental Microbiology 2
  - Biotechnology
    - Bio Genetic Engineering 4
    - Recombinant DNA 9
    - Cloning 6
    - PCR 8
    - Gel Electrophoresis 21
    - DNA Sequencing 6
    - Gene Therapy 3
    - CRISPR 9
    - Stem Cells 9
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 12
    - Proteomics 1
    - Metabolomics 3
  - Molecular Biology
    - Biological Biomolecules 17
    - Carbohydrates 29
    - Biochemical Lipids 2
    - Bio Proteins 12
    - Bio Enzymes 3
    - Bio Nucleic Acids 21
    - Biochemical Vitamins 36
    - Bio Minerals 5
    - Bio Metabolism 47
    - Cellular Respiration 112
    - Nitrogen Metabolism 9
    - Bio Hormones 13
    - Signal Transduction 6
  - Immunology
    - Innate Immunity 16
    - Adaptive Immunity 12
    - Antigens 11
    - Antibodies 10
    - Lymphatic System 26
    - B Cells 31
    - T Cells 6
    - Immune Response 26
    - Cytokines 16
    - Vaccination 17
    - Immunodeficiency 23
    - Hypersensitivity 30
    - Autoimmunity 20
    - Transplant Immunology 8
    - Tumor Immunology 37
  - Developmental Biology
    - Gametogenesis 10
    - Fertilization 48
    - Cleavage 20
    - Gastrulation 5
    - Organogenesis 25
    - Metamorphosis 15
    - Regeneration 3
    - Growth 18
    - Aging 30
- Earth and Space Science
  - Geology
    - Minerals 52
    - Rocks 18
    - Geological Rock Cycle 45
    - Plate Tectonics 107
    - Geological Volcanoes 34
    - Geological Earthquakes 22
    - Weathering 14
    - Erosion 35
    - Soil 8
    - Fossils 8
    - Geological Time 23
    - Geomorphology 10
    - Natural Resources 28
  - Meteorology
    - Metrological Atmosphere 12
    - Metrological Weather 52
    - Climate 5
    - Clouds 14
    - Precipitation 2
    - Air Pressure 21
    - Wind 4
    - Storms 8
    - Hurricanes 7
    - Metrological Tornadoes 15
    - Weather Forecasting 7
    - Metrological Climate Change 3
  - Oceanography
    - Ocean Basins 21
    - Waves 6
    - Tides 4
    - Currents 5
    - Marine Life 30
    - Coral Reefs 19
    - Seafloor Spreading 8
    - Salinity 7
    - Marine Resources 14
    - Ocean Pollution 9
    - Climate Impact 6
  - Environmental Geoscience
    - Environmental Climate Change 1
    - Natural Hazards 26
    - Pollution 13
    - Environmental Impact 31
    - Resource Management 4
    - Renewable Energy 76
    - Sustainability 41
    - Conservation 37
    - Land Use 6
  - Paleontology
    - Fossilization 6
    - Fossil Types 5
    - Stratigraphy 13
    - Extinction Events 17
    - Evolutionary Trends 16
    - Vertebrate Fossils 12
    - Invertebrate Fossils 7
    - Plant Fossils 3
  - Climate Science
    - Weather 3
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    - Atmospheric Circulation 2
    - Ocean Currents 6
    - El Nino 12
    - Greenhouse Effect 25
    - Global Warming 15
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    - Water Cycle 3
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    - Paleoclimate 2
  - Hydrology
    - Hydro Water Cycle 5
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    - Evaporation 20
    - Runoff 6
    - Groundwater 5
    - Watersheds 2
    - River Systems 5
    - Lakes 4
    - Wetlands 9
    - Water Quality 27
    - Water Management 22
  - Natural Disasters
    - Earthquakes 6
    - Volcanoes 7
    - Tsunamis 10
    - Floods 6
    - Droughts 1
    - Cyclones 8
    - Tornadoes 4
    - Landslides 3
    - Avalanches 2
    - Wildfires 12
    - Heatwaves 3
    - Blizzards 1
  - Earth Systems and Cycles
    - Geosphere 4
    - Hydrosphere 3
    - Atmosphere 11
    - Biosphere 5
    - Rock Cycle 15
    - Earthy Water Cycle 9
    - Carbon Cycle 5
    - Nitrogen Cycle 14
    - Energy Flow 5
    - Climate System 3
  - Soil Science
    - Soil Formation 3
    - Soil Profile 16
    - Soil Properties 4
    - Soil Fertility 14
    - Soil Physics 1
    - Soil Biology 3
    - Soil Erosion 4
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- Astronomy
  - Observational Astronomy
    - History of Astronomy 17
    - Ultraviolet Astronomy 2
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  - Solar System
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    - Earth 2
    - Moon 21
    - Mars 3
    - Jupiter 2
    - Saturn 14
    - Uranus 5
    - Neptune 7
    - Asteroids 14
    - Comets 10
    - Meteoroids 5
    - Kuiper Belt 2
  - Stars and Stellar Evolution
    - Star Formation 1
    - Main Sequence 10
    - Red Giants 2
    - Black Holes 5
    - Stellar Nucleosynthesis 2
    - Variable Stars 2
  - Galaxies
    - Nebulae 1
    - Quasars 4
    - Galaxy Black Holes 2
  - Cosmology
    - Big Bang 22
    - Cosmo Dark Matter 2
    - Dark Energy 1
    - Cosmic Microwave 3
    - Large Scale 1
    - Galaxy Formation 5
    - Universe Expansion 2
    - Cosmological Models 4
  - Exoplanets
    - Detection Methods 1
    - Planet Types 6
    - Atmospheres 1
  - Astrobiology
    - Extremophiles 1
    - Habitable Zones 1
    - Biosignatures 4
    - Life Detection 2
    - Mars Life 3
    - Space Missions 5
  - Astronomical Instruments
    - Radio Telescope 2
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    - Photometer 4
    - Planetarium 1
    - Sextant 4
  - Space Exploration and Missions
    - Spacecraft 3
    - Satellites 4
    - Space Probes 3
    - Space Telescopes 1
    - Manned Missions 2
    - Lunar Missions 6
    - Mars Missions 2
    - Space Stations 3
    - Space Agencies 3
  - Celestial Mechanics and Orbits
    - Orbital Motion 7
    - Kepler Laws 3
    - Newton Laws 60
    - Orbital Gravity 1
    - Eclipses 7
    - Retrograde Motion 3
    - Perturbations 5
    - Orbital Resonance 5
Math

Classification Quizzes, Questions & Answers

Recent Classification Quizzes

Explore 'Thinking Like a Scientist #1,' where you delve into Jane Goodall's research on chimpanzees. This quiz assesses your understanding of scientific observations, reasoning, and classifications, highlighting the practical...

Questions: 15 | Attempts: 160 | Last updated: Aug 27, 2023

Sample Question
Jane Goodall spent countless hours among the chimpanzees doing scientific research. In her research, Jane learned that chimpanzees use stems or long blades of grass as tools to “fish” out a tasty meal from termite mounds. How did Jane learn this about the chimpanzees? This qualitative research is based on Jane following the chimpanzees, taking notes and making careful _______________

Observations

Inferences

Predictions

Models

A Quiz On Pets: Trivia!

A Quiz on Pets: Trivia!

Explore the intriguing world of pets with 'A Quiz on Pets: Trivia!'. This quiz tests your knowledge on pet statistics, characteristics of different dog breeds, and genetic facts about animals. Engaging for learners interested in...

Questions: 34 | Attempts: 539 | Last updated: Mar 22, 2023

Sample Question
HOUND dogs are characterized by the following features: odorless/fond with children/first dogs domesticated by man.

True

False

A Review Quiz On Biology!

A Review Quiz on Biology!

Are you a biology student who is getting ready for their final exams this year? The quiz below is designed to ensure that you are ready for it by giving you a glimpse of how the questions are set up and helping you review the...

Questions: 15 | Attempts: 287 | Last updated: Mar 17, 2023

Sample Question
This kingdom consists of prokaryotic cells commonly found in a classroom.

Archea

Protists

Eubacteria

Fungi

Male And Female Quiz

Male and Female Quiz

The general term for humans is gender. There are also specific words for animals to identify their kind and group. Take this male-female quiz and learn a lot of surprising vocabulary. This quiz is specifically designed to see how...

Questions: 10 | Attempts: 1385 | Last updated: Jun 11, 2024

Sample Question
A male horse is called.

Mare

Foal

Pup

Stallion

Trivia Quiz: What Do Animals Eat?

You need to take this trivia about what do animals eat quiz today! Just like humans, animals have food that they need to eat to sustain their health and without it may fall sick. As we continue to learn more about animals this...

Questions: 10 | Attempts: 747 | Last updated: Dec 11, 2024

Sample Question
What do dogs eat?

Meat

Grass

Stones

Burger

Long Ridge Stockman's Breed Identifications

The 'Long Ridge Stockman's Breed Identifications' quiz assesses knowledge in identifying various livestock breeds. It focuses on breeds such as Kiko, Nubian, Berkshire, Yorkshire, Hampshire, and Pietrain, enhancing skills crucial...

Questions: 40 | Attempts: 228 | Last updated: Mar 22, 2023

Sample Question
Identify this breed:

Angora

Cashmere

Saneen

Kiko

Bio1331 Animals - Evolution - Lophotrochozoans (Lecture Four)

BIO1331 ANIMALS - EVOLUTION - LOPHOTROCHOZOANS (Lecture Four)

Explore the evolution and distinctive features of Lophotrochozoans in this focused educational module, BIO1331. Assess your understanding of protostome development, the traits that define Lophotrochozoans, and their...

Questions: 11 | Attempts: 115 | Last updated: Mar 19, 2023

Sample Question
True or False?All protostomes are triploblastic.

True

False

What Type Of Animal Are You? Take This Quiz!

What Type of Animal Are You? Take this Quiz!

Now let's be honest, it would be near impossibly in order to contain all of the animals in the world into a quiz for you to be able to decipher between. So this quiz is going to tap into your animal subconscious- so...

Questions: 10 | Attempts: 45284 | Last updated: Mar 21, 2022

Sample Question
When you eat lunch where are you most likely to sit?

By yourself

Where there are people and an empty seat

Where you always sit, with your friends

Fun Animal Quiz For Kids

Check out this fun animal quiz for kids. Here, you'll get the chance to test your knowledge about animals. If you think you know everything about the animal kingdom, then you must take this quiz and see how well you can...

Questions: 10 | Attempts: 3247 | Last updated: Mar 22, 2023

Sample Question
Which animals hold their hands when they sleep?

Sea otters

Pandas

Dolphins

Cats

Mastering Equine care: Test Your Horse Knowledge Quiz

Mastering Equine Care: Test Your Horse Knowledge Quiz

Embark on an educational journey with our Horse Knowledge Quiz! Delve into the world of equine care and horsemanship as you navigate through questions designed to test your expertise. From grooming techniques to feeding...

Questions: 15 | Attempts: 1821 | Last updated: Apr 2, 2024

Sample Question
What is the average body temperature range for a horse?

95-98°F

98-100°F

100-103°F

103-106°F

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