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States of Matter 111
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 5
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Ketones 5
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Amines 5
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Polymers 5
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Biomolecules 14
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Proteins 25
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Enzymes 5
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Lipids 14
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Metabolism 40
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Vitamins 6
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Hormones 6
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Prodrugs 5
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Cell Theory 12
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Nucleus 5
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Cell Cycle 18
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Ecosystem 36
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Biomes 25
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Food Chains 16
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Biodiversity 28
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Habitat 5
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Skeletal System 116
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Nervous System 124
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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 5
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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 5
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Mammals 106
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Anatomy 16
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Physiology 32
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Reproduction 26
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Behavior 63
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Bacteriology 33
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Virology 34
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Mycology 16
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Parasitology 59
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Bio Enzymes 21
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Bio Hormones 32
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9th Grade Energy Quizzes, Questions & Answers
Recent Energy Quizzes
Questions: 15 | Attempts: 1407 | Last updated: Oct 22, 2025
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Sample QuestionUsing ground level as the reference height with zero potential energy, which object has the greatest gravitational potential energy?
Questions: 60 | Attempts: 458 | Last updated: Feb 3, 2025
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Sample QuestionWhat is energy?
Questions: 10 | Attempts: 3221 | Last updated: Aug 22, 2025
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Sample QuestionA pulley system consits of two fixed pulleys and two movable pullys that lift a load that has a weight of 300 N. If the effort force used to lift the load is 100 N, What is the mechnaical advantage of the system?
Questions: 10 | Attempts: 267 | Last updated: May 7, 2025
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Sample QuestionTwo styrofoam packing beads suspended from threads show a slight repulsion away from each other. from this we can infer that:
Questions: 10 | Attempts: 2060 | Last updated: Mar 22, 2025
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Sample QuestionWhat name is given to the energy of a moving object? E.g. A Car.
Questions: 10 | Attempts: 2584 | Last updated: Mar 21, 2025
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Sample QuestionMary pushes her cart across the floor with a force of 150N for a distance of 10m. What is the work done on the cart?
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