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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 40
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Vitamins 5
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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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Genomics 1
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 24
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Habitat 4
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Skeletal System 116
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Nervous System 115
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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 22
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Reproduction 23
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Behavior 63
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Bacteriology 33
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Virology 33
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Mycology 16
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Parasitology 53
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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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8th Grade Lenses Quizzes, Questions & Answers
Spark curiosity and test your child’s 8th grade Lenses knowledge with our engaging quizzes! Read more
Perfect for practice at home or in the classroom—encourage learning through play and exploration.
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8th Grade
Top Trending Lenses Quizzes
Making the invisible visible. Whether peering at a distant galaxy or a microscopic cell, we rely on the power of lenses to stretch an image across our vision. This magnification quiz explores the limits and laws of boosting...
Questions: 20 | Attempts: 14 | Last updated: Feb 13, 2026
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Sample Question 1What is the scientific definition of magnification in the context of optical tools?
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Sample Question 2A simple magnifying glass uses a concave lens to make objects appear larger.
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Sample Question 3In a compound microscope, which lens is closest to the specimen being viewed?
Recent Lenses Quizzes
The most sophisticated autofocus system on the planet. Our eyes constantly change shape to shift focus from a distant mountain to the text on a page. This human eye lens quiz dives into the biological engineering that allows...
Questions: 20 | Attempts: 11 | Last updated: Feb 13, 2026
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Sample QuestionWhat is the primary role of the human eye lens within the visual system?
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