← Science Quiz

Materials and Chemicals We Use

Questions from the Science, Explained books, Grades 5 to 10, one topic at a time. Start at your grade: as you get them right the questions get harder and move up the grades, and when you miss they get easier. The ones you miss come back a little later.

Your grade

Questions mastered, by grade

  • Grade 6 18 questions
  • Grade 7 15 questions
  • Grade 8 19 questions
  • Going Further, Grades 6–8 7 questions
  • Grade 9 27 questions
  • Grade 10 25 questions