The questions in this quiz are suitable for GCSE chemistry students studying solids, liquids and gases and changes of state. If you struggled with the quiz, don't panic - we've got you!

An interactive quiz about density of materials and states of matter, with detailed feedback. Exam-style questions based on past papers for GCSE physics. Quick-fire quizzes with a fresh selection ...

The state of matter is a deceptively simple concept ... Superfluids are also useful, having been used to test theories of black holes, among much else. Receive a weekly dose of discovery in ...