Chemistry for the Gifted and Talented: Astounding numbers
This activity is designed to be fun and generate a wow factor for the students. It tries to convey how amazing the scale is that we use in chemistry. In question 8 the students are asked to use creative thinking and come up with some questions of their own. The students are asked to estimate some of their answers and they should appreciate that it may be desirable to work with fewer significant figures in these cases.