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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 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 23
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Habitat 4
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Skeletal System 116
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Nervous System 111
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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 20
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 33
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Mycology 16
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Parasitology 50
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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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7th Grade Optics Quizzes, Questions & Answers
Recent Optics Quizzes
Explore the intriguing properties of light with this quiz from Chapter 26. Topics include the nature of electromagnetic waves, their sources, differences in wavelength, and light's fundamental characteristics. This quiz enhances...
Questions: 45 | Attempts: 1646 | Last updated: Mar 22, 2025
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Sample QuestionMost of the waves in the electromagnetic spectrum are
If you're a 7th-grade science student then you will surely love our light and its properties quiz. please make sure to read all the questions very carefully before attempting. All the questions are mandatory and your scores...
Questions: 10 | Attempts: 4949 | Last updated: Oct 21, 2025
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Sample QuestionA material through which objects can be seen clearly
Put your physics concepts to the test with our "Light Concepts and Mirrors Quiz," where you'll delve into the fascinating world of optics and reflection. This quiz is designed to test your understanding of key...
Questions: 20 | Attempts: 1132 | Last updated: May 8, 2025
Are you ready to test your understanding of how light interacts with different surfaces? Dive into our Types of Lenses and Mirrors Quiz and see how much you really know. This quiz covers all the essentials about the various kinds...
Questions: 10 | Attempts: 25211 | Last updated: Aug 20, 2025
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Sample QuestionWhat type of lens converges light?
Ready to test your understanding of how light works? Take our Laws of Reflection Quiz and demonstrate your grasp of essential physics principles. This quiz focuses on the fundamental laws that dictate the behavior of light when...
Questions: 10 | Attempts: 3849 | Last updated: Aug 12, 2025
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Sample QuestionWhat measures the angle of incidence?
This quiz will test your basic understanding of Ultraviolet rays.
Questions: 5 | Attempts: 213 | Last updated: Mar 22, 2025
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Sample QuestionHow many subtypes does ultraviolet light have?
Now that you have learnt about photonics and lasers, take a quiz to test your understanding.
Questions: 6 | Attempts: 156 | Last updated: Aug 16, 2025
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Sample QuestionLaser shows are the use of photonics in ______.
Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700...
Questions: 20 | Attempts: 12418 | Last updated: Mar 22, 2025
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Sample QuestionLight is best described as a:
What Do You Know About Thin Converging Lens? Thin lenses can be diverging or converging. The converging lenses are thicker in the middle than near the edges and as two focal points, located on the optical axis, a distance...
Questions: 7 | Attempts: 963 | Last updated: Oct 16, 2025
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Sample QuestionA converging lens causes parallel light rays passing through it to __________ behind the lens.
You may work with a partner. If you make a mistake go back and correct it for credit.
Questions: 15 | Attempts: 117 | Last updated: Feb 21, 2025
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