Speed quiz

Answer as many questions as you can before the clock runs out. Pick a subject and 30, 60 or 90 seconds.

How to play

Pick a subject and a time. Press Start and answer by tapping, or by pressing 1 to 4.
Each right answer scores 10 points. Every answer in a row adds a bonus, up to 20 extra points.
Wrong answers cost no points but break your row. At the end you see every question you missed with the right answer and the explanation.
It needs a free account because it uses the question bank. Free accounts play from the free question set; lifetime access uses the whole bank.