Average Height of Professional Athletes
Height can have so much influence on success in sport. Teach your kids about why it is advantageous for a jockey or a gymnast to be short, and a basketball player or a swimmer to be tall. Starting off with a comparison of average athlete heights you can introduce the topic, and explain how sport is linked to certain biology and physics related factors such as speed, balance, endurance, weight, heart rate, strength etc. An inexhaustible topic perfect for project-based learning.