This quiz works best with JavaScript enabled. Home > Science > General Science – Quiz 177 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 177 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Machines can change the direction of force A) True. B) False. Show Answer Correct Answer: A) True. 2. Substances that exhibit definite properties and composition A) Mixtures. B) Pure Substances. C) Homogenous. D) Heterogenous. Show Answer Correct Answer: B) Pure Substances. 3. ..... causes geysers, hot springs, and can be used as a natural energy source. A) Geothermal energy. B) Solar energy. C) Wind energy. D) Hydro energy. Show Answer Correct Answer: A) Geothermal energy. 4. Which of the following is not a simple machine? A) Lever. B) Pulley. C) Computer. D) Wedge. Show Answer Correct Answer: C) Computer. 5. Which cloud is Cirrus? A) Cirrus. B) Uniform layer of grey/lightgrey clouds that usuallybring a drizzle. C) Thin, wispy, hair-likeclouds associated with fairweather. D) None of above. Show Answer Correct Answer: C) Thin, wispy, hair-likeclouds associated with fairweather. 6. Foggy means..... A) Foggy. B) Cloudy. C) Windy. D) Rain. Show Answer Correct Answer: A) Foggy. 7. ..... are the starting substances in the reaction, while..... are the new substances that are formed. A) Reactants, products. B) Products, reactants. C) Coefficients, subscripts. D) Subscripts, coefficients. Show Answer Correct Answer: A) Reactants, products. 8. Who invented the first functional telephone? A) Albert Einstein. B) Nikola Tesla. C) Thomas Alva Edison. D) Alexander Graham Bell. Show Answer Correct Answer: D) Alexander Graham Bell. 9. Reduces temperature below its ignition point to extinguish a fire. Example water systems. A) Smothering. B) Cooling. C) Chain breaking. D) Saponification. Show Answer Correct Answer: B) Cooling. 10. Decomposers help in cleaning the environment. A) False. B) True. Show Answer Correct Answer: B) True. 11. How many arms does the typical octopus have? A) 6. B) 8. C) 10. D) 12. Show Answer Correct Answer: B) 8. 12. As distance between two objects increase the pull of gravity A) Increases. B) Decreases. C) Stays the same NGSS.MS-PS2-4. D) None of above. Show Answer Correct Answer: B) Decreases. 13. Renewable recourses..... A) Can be replaced in our lifetime. B) Cannot be replaced quickly. Show Answer Correct Answer: A) Can be replaced in our lifetime. 14. Why is water blue? A) Molecular scattering of the sunlight. B) The seafloor is blue. C) The reflection of color on water. D) Water is naturally blue. Show Answer Correct Answer: A) Molecular scattering of the sunlight. 15. The Arctic is a habitat. Is this statement True or False? A) True. B) False. Show Answer Correct Answer: A) True. 16. The energy of motion. A) Potential Energy. B) Kinetic Energy. Show Answer Correct Answer: B) Kinetic Energy. 17. Weathering is..... A) Movement of sediment by wind, water, or ice. B) Breaking down of rocks by wind, water, or ice. C) Moving rocks and sediments through water or wind and having them dropped in a new location. D) None of above. Show Answer Correct Answer: B) Breaking down of rocks by wind, water, or ice. 18. In the equation f=ma, what unit of measure is used for force? A) Kilogram. B) Newton. C) Feet per second. D) Meters per second. Show Answer Correct Answer: B) Newton. 19. The time a computer takes to start has increased dramatically. One possible explanation for this is that the computer is running out of memory. This explanation is a scientific ..... A) Hypothesis. B) Observation. C) Experiment. D) Conclusion. Show Answer Correct Answer: A) Hypothesis. 20. Who supported the geocentric solar model of Aristarchus? A) Aristarchus. B) Johann Kepler. C) Ptolemy and Aristotle. D) Nicolas Copernicus. Show Answer Correct Answer: C) Ptolemy and Aristotle. ← PreviousNext →Related QuizzesGeneral Science Quiz 1General Science Quiz 2General Science Quiz 3General Science Quiz 4General Science Quiz 5General Science Quiz 6General Science Quiz 7General Science Quiz 8General Science Quiz 9General Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books