Physical Science Lv3

Hard

Intro university physical science: quantum ideas, thermodynamics, and astrophysics

All 1,000 questions in this category are free to play.

Sign in to start this quiz

Sample questions

Tap an answer to check yourself. Every answer comes with an explanation.

  1. 1. What is the term for the bending of light as it passes between mediums of different densities?

  2. 2. Which subatomic particle carries no electric charge?

  3. 3. The Heisenberg Uncertainty Principle is primarily concerned with what limitation?

  4. 4. Which law of thermodynamics states that the entropy of an isolated system never decreases?

  5. 5. What term describes a chemical reaction that absorbs heat from its surroundings?

All 1,000 questions in this category are free to play.

Difficulty that adapts to you

Every question and every player carries an ELO rating, the same system chess uses. Answer correctly and you face harder questions; miss a few and the quiz eases off. That keeps practice in the productive zone - challenging enough to learn from, never so hard it stops being useful.

Each answer shows an instant explanation of what was right and wrong, so a quiz session doubles as a study session.

Browse all categories