Week 2 Quiz 1. Who first argued that the world was not flat?   A. Einstein   B. Aristotle   C. Galileo   2. Which metal is the best conductor of electricity?   A. Silver   B. Aluminium   C. Steel   3. Which planet in the Solar system is closest in size to Earth?   A. Saturn   B. Jupiter   C. Venus   4. On the Kelvin scale, what is the freezing point of water?   A. 273K   B. 203K   C. 283K   5. How many minutes does it take the Hubble Space Telescope to complete one orbit around the Earth?   A. 88 minutes   B. 97 minutes   C. 79 minutes   6. Who discovered the law of gravity?   A. Albert Einstein   B. Plato   C. Sir Isaac Newton   7. In which year was the microscope invented?   A. 1931   B. 1945   C. 2001   8. The galaxy we live in is called the Milky Way. It is shaped approximately like:   A. A doughnut   B. A flat spiral   C. A round ball   9. The metal mercury   A. The hardest known temperature   B. Is a liquid at room temperature   C. Is highly radioactive   10. Kinetic energy is   A. a rare form of energy observed in deep space   B. Energy of movement   C. Life energy   Sorry, submission for the Quiz is closed.

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