WONDER #2125: What Is String Theory?

Question 1 of 3

According to the Standard Model of particle physics, how many basic building blocks are there that make up the world?

  1. 4
  2. 9
  3. 12
  4. 26

Question 2 of 3

Which of the following is NOT one of the four fundamental forces in the universe?

  1. strong nuclear force
  2. electromagnetism
  3. gravity
  4. love

Question 3 of 3

String theory is perhaps the most promising candidate for a microscopic, quantum theory of what?

  1. gravity
  2. electromagnetism
  3. nuclear force
  4. mechanical energy

Check your answers online at https://wonderopolis.org/wonder/what-is-string-theory.