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8th Grade Science Quizzes , Questions & Answers
Recent Science Quizzes
This assessment focuses on distinguishing between physical and chemical changes. It evaluates your understanding of key concepts such as chemical reactions, the role of enzymes, and properties of acids and bases. This knowledge...
Questions: 15 | Attempts: 12 | Last updated: Sep 2, 2026
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Sample QuestionWhich of the following is an example of a physical change?
This quiz focuses on the fundamental concepts of atoms and molecules, evaluating knowledge on atomic structure, scientists' contributions, and the distinction between compounds and elements. It's a valuable resource for...
Questions: 8 | Attempts: 11 | Last updated: Aug 31, 2026
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Sample QuestionWhat are the main parts of an atom?
This assessment focuses on photosynthesis and plant transport systems. It evaluates understanding of key processes like the light-dependent reactions and the Calvin Cycle, including photolysis and the production of energy...
Questions: 10 | Attempts: 11 | Last updated: Aug 31, 2026
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Sample QuestionWhere exactly does the light-dependent reaction occur within the chloroplast?
This assessment focuses on cellular respiration, covering glycolysis, the Krebs cycle, and the electron transport chain. Key concepts include the steps of glycolysis, the role of NADH and FADH\u2082, and anaerobic processes like...
Questions: 10 | Attempts: 16 | Last updated: Aug 31, 2026
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Sample QuestionDuring glycolysis, a 6-carbon glucose molecule is broken down into two molecules of pyruvate. How many steps does this process take, and where exactly in the cell does it occur?
This assessment focuses on cellular respiration, emphasizing glycolysis, the Krebs cycle, and the electron transport chain. It evaluates your understanding of key processes, starting materials, and energy production in cellular...
Questions: 30 | Attempts: 11 | Last updated: Aug 31, 2026
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Sample QuestionWhere does glycolysis take place in the cell?
This assessment focuses on scientists and their specific fields of study. It evaluates knowledge about various scientific disciplines, such as parasitology, herpetology, and marine biology. Understanding these fields is essential...
Questions: 8 | Attempts: 21 | Last updated: Aug 30, 2026
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Sample QuestionWhich scientist studies parasites?
This assessment explores the historical development of the atomic model, covering key figures like Democritus and J.J. Thomson. It evaluates understanding of fundamental concepts such as atomic structure, the nature of atoms, and...
Questions: 30 | Attempts: 13 | Last updated: Aug 29, 2026
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Sample QuestionWhat is an atom?
This assessment focuses on key concepts related to nature cycles, subatomic particles, and atomic models. It evaluates your understanding of processes like the water and carbon cycles, the properties of subatomic particles, and...
Questions: 8 | Attempts: 11 | Last updated: Aug 27, 2026
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Sample QuestionWhich of the following best describes the water cycle?
This quiz focuses on chemical formulas and matter, evaluating your understanding of elements, compounds, and mixtures. You'll explore key concepts such as atomic composition, the distinction between homogeneous and heterogeneous...
Questions: 8 | Attempts: 12 | Last updated: Aug 26, 2026
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Sample QuestionWhich of the following best describes an element?
This quiz focuses on the essential aspects of bird biology and behavior, covering topics like feeding structures, nesting, and incubation. It evaluates your understanding of terms related to bird habitats and care, making it...
Questions: 8 | Attempts: 10 | Last updated: Jul 27, 2026
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Sample QuestionWhat is a container where a bird can eat called?
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