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  - Nuclear Chemistry
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  - Polymer Chemistry
    - Polymerization 5
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  - Theoretical Chemistry
    - Quantum Chemistry 5
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    - Computational Chemistry 5
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    - Chemical Thermodynamics 47
    - Reaction Dynamics 81
    - Electronic Structure 100
    - Molecular Dynamics 19
    - Spectroscopy Theory 5
  - Medicinal Chemistry
    - Drug Design 4
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    - Enzyme Inhibition 5
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    - Natural Products 5
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  - Green Chemistry
    - Sustainable Design 4
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    - Waste Prevention 5
    - Energy Efficiency 5
    - Catalysis 4
    - Biodegradable Materials 5
    - Green Synthesis 5
    - Solvent Reduction 5
    - Atom Economy 5
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  - Materials Chemistry
    - Crystal Structure 6
    - Band Theory 5
    - Materials Polymers 4
    - Ceramics 5
    - Composites 8
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    - Alloys 6
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    - Magnetic Materials 5
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- Biology
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    - Cell Membrane 25
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    - Chloroplasts 5
    - Ribosomes 5
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    - Cell Division 32
    - Cell Cycle 18
    - Transport Mechanisms 28
    - Cell Communication 5
  - Genetics
    - DNA Structure 5
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    - Transcription 5
    - Translation 5
    - Mutation 4
    - Mendelian Inheritance 5
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    - Genetic Disorders 7
    - Genetic Mapping 5
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    - Genomics 5
    - Epigenetics 5
  - Evolution
    - Origin of Life 9
    - Theories of Evolution 5
    - Natural Selection 6
    - Variation 5
    - Adaptation 5
    - Speciation 5
    - Fossil Record 5
    - Comparative Anatomy 12
    - Molecular Evidence 8
    - Human Evolution 5
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  - Ecology
    - Ecosystem 36
    - Biomes 25
    - Population Ecology 12
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    - Food Chains 16
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    - Ecological Energy Flow 5
    - Nutrient Cycles 13
    - Biodiversity 28
    - Ecological Conservation 47
    - Habitat 5
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    - Human Impact 5
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  - Human Anatomy & Physiology
    - Skeletal System 116
    - Muscular System 69
    - Nervous System 124
    - Endocrine System 78
    - Circulatory System 90
    - Respiratory System 44
    - Digestive System 46
    - Excretory System 10
    - Reproductive System 120
    - Immune System 11
    - Integumentary System 21
    - Sensory Organs 56
  - Botany Plant Biology
    - Plant Anatomy 38
    - Plant Morphology 5
    - Plant Physiology 69
    - Photosynthesis 53
    - Plant Reproduction 22
    - Plant Growth 5
    - Plant Hormones 5
    - Plant Taxonomy 43
    - Plant Ecology 19
    - Plant Pathology 6
    - Economic Botany 5
    - Seed Biology 5
    - Plant Genetics 6
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  - Zoology Animal Biology
    - Classification 38
    - Porifera 6
    - Cnidaria 6
    - Platyhelminthes 5
    - Nematoda 6
    - Annelida 7
    - Arthropoda 12
    - Mollusca 5
    - Echinodermata 6
    - Chordata 5
    - Fish 76
    - Amphibians 10
    - Reptiles 14
    - Birds 5
    - Mammals 106
    - Anatomy 36
    - Physiology 40
    - Reproduction 26
    - Development 6
    - Behavior 64
  - Microbiology
    - Microbial Structure 5
    - Bacteriology 33
    - Virology 34
    - Mycology 16
    - Parasitology 59
    - Microbial Genetics 5
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    - Pathogenic Microbiology 18
    - Microbial Biotechnology 5
    - Food Microbiology 6
    - Industrial Microbiology 5
    - Environmental Microbiology 10
  - Biotechnology
    - Bio Genetic Engineering 5
    - Recombinant DNA 5
    - Cloning 5
    - PCR 5
    - Gel Electrophoresis 5
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    - CRISPR 5
    - Stem Cells 5
    - Bioreactors 5
    - Fermentation 5
    - Bioinformatics 6
    - GMOs 5
    - Proteomics 5
    - Metabolomics 5
  - Molecular Biology
    - Biological Biomolecules 8
    - Carbohydrates 6
    - Biochemical Lipids 9
    - Bio Proteins 5
    - Bio Enzymes 21
    - Bio Nucleic Acids 5
    - Biochemical Vitamins 5
    - Bio Minerals 6
    - Bio Metabolism 60
    - Cellular Respiration 22
    - Nitrogen Metabolism 5
    - Bio Hormones 32
    - Signal Transduction 5
  - Immunology
    - Innate Immunity 5
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    - Antigens 6
    - Antibodies 4
    - Lymphatic System 6
    - B Cells 5
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    - Immune Response 3
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  - Developmental Biology
    - Gametogenesis 5
    - Fertilization 9
    - Cleavage 6
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    - Organogenesis 5
    - Metamorphosis 6
    - Regeneration 5
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- Earth & Space Science
  - Geology
    - Minerals 32
    - Rocks 27
    - Geological Rock Cycle 17
    - Plate Tectonics 43
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    - Soil 5
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Exams & Certifications

9th Grade Chemistry Quizzes, Questions & Answers

Recent Chemistry Quizzes

There are a total of ten questions on this exam, five multiple choice and five True/False items. For the multiple choice items, choose the answer which best answers the question or completes the statement. For the...

Questions: 10 | Attempts: 468 | Last updated: Mar 20, 2025

Sample Question
What physical property of molecules is designed to allow one molecule to interact with another?

The number of atoms which the molecules are composed of.

The shape of the molecule because it influences or deters interactions among molecules.

The amount of neutrons that the molecules have within their nucleus will influence or inhibit molecule junctions.

The size of the molecules will influence or deter the fusion of molecules.

Grams To Atoms and Atoms To Grams Practice Quiz

Get ready to unleash your inner chemist and go on a journey through the zany universe of atoms and grams with our uproariously entertaining "Atoms to Grams" quiz! Brace yourself for a wild ride as you navigate through a...

Questions: 15 | Attempts: 2458 | Last updated: Aug 6, 2026

Sample Question
How many grams are there in 1.3846 x 1024 atom of Silicon?

64.607 g

33.51 g

61.025 g

361.25

Ehs Honors Chemistry Quiz 1

Quiz over experimental design, significant figures, conversions, scientific notation and percent error

Questions: 10 | Attempts: 262 | Last updated: Mar 20, 2025

Sample Question
How many significant figures are in 3.04?

2

3

1

What are significant figures?

The Great Chemistry Scavenger Hunt

This quiz should be completed after you read through "The Great Chemistry Scavenger Hunt" blog posts on Mrs. Steiner's Chemistry Classes Web Page. This quiz will count as a test grade. You have 40 minutes to complete...

Questions: 25 | Attempts: 248 | Last updated: Mar 17, 2025

Tough Chemistry Quiz For Students

Was chemistry your favorite subject while you were in school? You are definitely going to love playing this tough chemistry quiz if the chemistry is in your blood. Chemistry tells about various substances. It can be defined as...

Questions: 10 | Attempts: 3666 | Last updated: Apr 1, 2025

Sample Question
Which of the following acids is likely to have a pH of 4.5?

Hydrochloric acid

Sulfuric acid

Ethanoic acid

Nitric acid

Basic Chemistry Exam - Summer School

This is the information that we have covered during the first week of summer school.

Questions: 8 | Attempts: 3443 | Last updated: Jan 19, 2025

Sample Question
Which of the following is an example of a physical change?

Ice forming after water is placed in a freezer.

A certain liquid is added to a solid, and bubbles of gas form.

Adding baking sode to vinegar.

A bicycle rusting in the rain.

Chapter 1 Quiz (Part 1)

This quiz covers the fist half of Chapter 1: Chemical Foundations in your textbook.

Questions: 20 | Attempts: 149 | Last updated: Mar 21, 2025

Sample Question
For the fist time we can "see" individual atoms. Of course, we cannot see them with the naked eye but we must use a special device called what?

Scanning Electron Microscope

Special Trap

Scanning Tunneling Microscope

Light Microscope

Chemistry Exam Practice Quiz

This is a pratice quiz for my exam. this is for chemistry exam.

Questions: 73 | Attempts: 214 | Last updated: Jan 22, 2025

Sample Question
Main block elements form bonds by rearranging electrons so that each atom has a stable octet in its outermost energy level.

Ionic bond

Octet energy level

Empirical formula

Octet rule

Organic Chemistry Practice Quiz For Students

This Organic Chemistry Practice Quiz for Students is designed to strengthen foundational understanding of hydrocarbons, IUPAC naming, isomerism, reaction types, and core structural concepts in organic molecules. Whether...

Questions: 10 | Attempts: 1227 | Last updated: Dec 5, 2025

Sample Question
Why are alkanes called saturated hydrocarbons?

Each carbon contains the maximum number of hydrogens

Each carbon is highly reactive

Each carbon dissolves completely

Each carbon is a strong solvent

MS. Newton-4.1 Key TerMS Quiz

The 'Ms. Newton-4.1 key terms' quiz focuses on foundational chemistry concepts related to ions and ionic compounds. It assesses understanding of terms like anion, cation, and aqueous solutions, crucial for students in chemistry...

Questions: 10 | Attempts: 106 | Last updated: Jul 17, 2025

Sample Question
A negatively charged ion

Acidic

Anion

Cation

Salt

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