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States of Matter 107
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 3
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Amines 2
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Polymers 5
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Biomolecules 13
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Proteins 26
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Enzymes 4
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Lipids 14
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Metabolism 39
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Vitamins 4
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Hormones 1
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Alloys 1
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Nucleus 1
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Cell Cycle 18
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 23
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Habitat 4
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Skeletal System 116
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Nervous System 110
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 4
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 2
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Mammals 106
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Anatomy 17
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Physiology 19
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 32
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Mycology 16
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Parasitology 51
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GMOs 4
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Bio Enzymes 21
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Bio Hormones 32
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B Cells 1
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Clouds 1
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Marine Life 47
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Wetlands 5
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Tsunamis 1
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3rd Grade Science Quizzes, Questions & Answers
Think your child knows their 3rd grade Science? Read more
Challenge them with our fun and engaging Science quizzes! Perfect for reinforcing classroom learning and discovering new facts about the world around them.
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Science Quizzes By Grade
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Top Trending Science Quizzes
Science is a fun subject and gives us a clear understanding of the universe and what exists on and in it. When a new discovery is made, it opens people to new knowledge. Take up the exciting quiz below and see how...
Questions: 10 | Attempts: 18387 | Last updated: Mar 22, 2025
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Sample QuestionScientists have found only 2 substances in the whole universe. What are they?
The 'General Science: 6th Grade! Quiz' explores fundamental scientific concepts, including the nature of science, states of matter, atomic structure, and geology. It's designed to assess and enhance understanding of basic science...
Questions: 8 | Attempts: 2332 | Last updated: Oct 21, 2025
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Sample QuestionWhat is science?
Science is the study of living things and how they function. This little quiz is to see how much you know about science from your first classes. There will be a series of true/false questions, answer them to the best of your...
Questions: 5 | Attempts: 373 | Last updated: Mar 21, 2025
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Sample QuestionGases, Solids, and Vapors are all States of Matter.