Grade 8 – Science – LS
Set 4 – Grade 8 (Science)
Dear ! This is Set 4 – Grade 8 (Science) Quiz and it contains 25 questions.
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1. What is the term for the process by which water vapor turns into liquid water on a surface, such as a blade of grass, during the night?
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2. What is the process by which an organism changes its form drastically as it develops, such as a caterpillar turning into a butterfly?
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3. Which gas is responsible for the blue color of the Earth’s sky? a) Oxygen b) Carbon dioxide c) Nitrogen d) Oxygen
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4. What gas do plants primarily absorb from the atmosphere during photosynthesis?
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5. What is the name of the region in space where Earth’s magnetic field traps charged particles from the sun, creating the Northern and Southern Lights (auroras)?
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6. What is the term for the protective outer layer of cells that covers the surfaces of animals and plants?
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7. Which of the following is a type of mechanical wave that requires a medium (such as air, water, or solids) to travel through?
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8. Which force opposes the motion of objects sliding against each other?
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9. What is the name of the outermost layer of the Sun’s atmosphere that is visible during a solar eclipse?
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10. What type of rock is formed from the cooling and solidification of molten lava?
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11. What is the unit of measurement for electric current?
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12. What is the largest organ in the human body?
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13. Which planet in our solar system has a prominent set of rings and is often referred to as the “Jewel of the Solar System”?
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14. Which gas is responsible for the green color of plants?
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15. What is the smallest planet in our solar system?
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16. What is the process by which living organisms produce offspring of their own kind called?
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17. Which of the following is an example of a renewable energy source that relies on the Earth’s internal heat?
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18. Which gas makes up the largest percentage of Earth’s atmosphere by volume?
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19. What is the chemical symbol for the element iron?
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20. What is the name of the process by which plants lose water vapor through tiny openings in their leaves?
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21. What is the process by which plants and animals obtain energy from the food they consume?
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22. Which famous scientist is known for his theory of relativity, which transformed our understanding of gravity and space-time?
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23. What is the process of a liquid turning into a gas at or below its boiling point called?
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24. Which planet has the most extensive system of rings in our solar system?
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25. What is the process by which rocks are broken down into smaller pieces by natural forces like wind, water, and temperature changes?
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