How to tick using keyboardUsing this graph, students then apply the pattern to find the age (time taken) of an unknown rock ( unknown bag of popcorn). The crosscutting concept of patterns may be further enforced by having students do some review problems with half-life based in real life context.Python fit plane to dataAs the popcorn pops ask students to make predictions about how much popcorn there will be. Explore some containers including ice-cream containers, bowls and boxes and ask the students to identify a container that they think will be the same volume as the popped corn. (Note that 1/2 cup of kernels makes about 4 litres of popcorn in a popcorn maker.)