9 quizzes
English test| Modal verbs: big brain or noob
30 Questions
Math Challenge (math skills and mental calculations)
30 Questions
Random Facts
30 Questions
Anatomy of the brain
30 Questions
Organic Chemistry Quiz
30 Questions
Brain Test
30 Questions
Do You Know the Answers to These Classic Riddles?
32 Questions
The Stroop's Psychological Test 🌈
30 Questions
Chemistry Test
30 Questions