OK, so here are the answers to this month’s quiz questions. All should be able to be easily verified online.
April Quiz Questions: Physical Science
- How much water is there on Earth per human being? Roughly 175 trillion litres ± 15%
- What was the name of the first, Russian, man-made satellite? Sputnik I
- How many internal reflections of light take place in the formation of a primary rainbow? Two
- Roughly how long does it take for the sun’s light to reach Earth? Eight minutes
- Which Russian chemist published the first widely recognised Periodic Table? Dmitri Mendeleev
Answers were correct when questions were compiled in late 2021.