Physics - Forces and Motion - Introduction - Speed, distance, and time - Speed Challenge
A fun quiz asking 'Which is faster?' for 8 pairs: (1) Cheetah vs Car on highway, (2) Walking vs Cycling, (3) Airplane vs Bullet train, (4) Snail vs Turtle, (5) Speed of light vs Speed of sound, (6) Swimming vs Running, (7) Roller coaster vs School bus, (8) Usain Bolt vs Horse. After each guess, reve