In Physics Test you will have to answer questions from school level up to university level. There are 3 difficulty levels with 20 stages each, a total of over 400 questions. There are two modes of play: Levels: you will have to answer 10 questions in each level, committing less than 3 errors. Challenge: A total of 100 questions, without possibility of error. You can check your statistics to go so improving every day.