Put your heads together to figure out this experiment: we are approximately eight of our own heads tall.

5 episodes at 3 minutes each.

Episodes include: 1) Eight heads tall: put your heads together to figure out this experiment: we are approximately eight of our own heads tall. 2) How tall is a tree?: how can you find the height of something tall - like a tree or a basketball net û without using a ladder? All you need is to follow the rule of thumb. 3) The perfect square: what shape are you? Chances are, you are square, just like most of us! But you could be a tall or short rectangleàfind out what shape you’re in in this hands-on episode. 4) String self-portrait: did you know that just by using string and some cool rules about the human body you can figure out the size and position of different parts of your face? 5) I'm seven feet tall: did you know that most of us are seven feet tall? Seven of our own feet that is.