This quiz works best with JavaScript enabled. Home > Science > Overview > General Science – Quiz 276 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books General Science Quiz 276 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which sentence represents the use of Occam's Razor in the process of science? A) Theories should be tested with many repetitions of all possible experiments. B) When new data does not support an established theory, reject the theory and start over. C) When two competing theories make the same prediction, the theory that is simpler is better. D) Testing a theory with controlled experiments is better than testing with broad investigations. Show Answer Correct Answer: C) When two competing theories make the same prediction, the theory that is simpler is better. 2. A river flows through 2 regions. The first has few plants, the second is covered with thick grass, flowers, trees etc ..... In which region do you expect the most erosion to occur? A) The first region. B) The second region. Show Answer Correct Answer: A) The first region. 3. What is the hydronium concentration of a basic solution? A) [H+ ] = 1 x 109. B) [H+ ] = 1 x 10-9. C) [H+ ] = 1 x 101. D) [H+ ] = 9 x 10-1. Show Answer Correct Answer: D) [H+ ] = 9 x 10-1. 4. Suppose a bulldozer is being hauled on the back of a flatbed truck at 50 km/h to a construction site. From which reference point would the bulldozer not appear to be moving? A) The road. B) A traffic light. C) The truck driver. D) A roadside tree. Show Answer Correct Answer: C) The truck driver. 5. A kilometer (Km) unit measures distances inside the solar system. A) True. B) False. Show Answer Correct Answer: B) False. 6. What is the formula of the molecule, dinitrogen hexachloride? A) NCl6. B) N6Cl. C) NCl2. D) None of these. Show Answer Correct Answer: D) None of these. 7. A year is measured by..... A) The phases of the moon. B) The Earth has rotated all the way around the sun once. C) The Earth is tilted on its axis. D) None of above. Show Answer Correct Answer: B) The Earth has rotated all the way around the sun once. 8. True or false?Compared to a solid, the molecular bonds of a liquid are strong. A) True. B) False. Show Answer Correct Answer: B) False. 9. Where are most of your blood cells made? A) Blood Cell Factory. B) Bone Marrow. C) Heart Muscle. D) Kidney. Show Answer Correct Answer: B) Bone Marrow. 10. The variable part of an experiment to which all other variables will be compared is called the: A) Control. B) Hypothesis. C) Experimental variables. D) Independent variables. Show Answer Correct Answer: A) Control. 11. The law of conservation of energy says: A) Energy cannot be created or destroyed. B) Energy can be created. C) Energy can be lost. D) Energy flows from warm to cold. Show Answer Correct Answer: A) Energy cannot be created or destroyed. 12. Is the following compound ionic or covalent?A material that is hard and brittle A) Ionic. B) Covalent. Show Answer Correct Answer: A) Ionic. 13. Oceans, glaciers, lakes, and rivers are part of Earth's A) Hemisphere. B) Lithosphere. C) Hydrosphere. D) Atmosphere. Show Answer Correct Answer: C) Hydrosphere. 14. Is the following compound ionic or covalent?A material that forms a crystal lattice A) Ionic. B) Covalent. Show Answer Correct Answer: A) Ionic. 15. How far does a lorry move if it is travelling at 12m/s for 180s? A) 2160 m. B) 0.06 m. C) 15 m. D) 21.6 m. Show Answer Correct Answer: A) 2160 m. 16. You have to push a heavy ball harder to get it to move as fast as a small one A) 1st Law. B) And & Lu. C) Show if. D) None of above. Show Answer Correct Answer: B) And & Lu. 17. ATOMIC NUMBER is the number of protons AND electrons. A) True. B) False. Show Answer Correct Answer: A) True. 18. Which planet has the highest surface temperature A) Mars. B) Earth. C) Venus. D) Mercury. Show Answer Correct Answer: C) Venus. 19. A huge, destructive ocean wave created from underwater earthquakes A) Light year. B) Tides. C) Pag. D) Comet. E) Tsunamis. Show Answer Correct Answer: E) Tsunamis. 20. The root is fixed inside the..... A) Pulp. B) Gums. C) Dentine. D) None. Show Answer Correct Answer: B) Gums. ← PreviousNext →Related QuizzesScience 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books