About Physics Quiz #840
Physics Quiz #840 was the quiz for Tuesday, October 20, 2026: 10 questions: 2 easy, 6 medium and 2 hard. Everyone who played Physics Quiz that day got the same quiz, and it stays here to play for 60 days.
The questions of Physics Quiz #840
- Which simple machine uses a wheel and a rope to lift loads?
- Which tool uses Earth's magnetism to show direction?
- What is the bending of light as it passes from one material to another called?
- How many classic simple machines are there?
- What are materials that block all light called?
- Which simple machine is really an inclined plane wrapped around a rod?
- What device protects a circuit by breaking it when too much current flows?
- How does heat from the Sun reach Earth through space?
- Which SI unit is used to measure electric charge?
- Which type of mirror makes you look upside down in a spoon's bowl?
The answer options and the answers appear only when you play the quiz, one question at a time.
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Other days of Physics Quiz
- Physics Quiz #843, Oct 23
- Physics Quiz #842, Oct 22
- Physics Quiz #841, Oct 21
- Physics Quiz #839, Oct 19
- Physics Quiz #838, Oct 18
- Physics Quiz #837, Oct 17
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.