A song that helps students develop their ideas of three different vairables and the corrisponding lesson plan and worksheet to accompany the song. Rocket balloons are inflated balloons stuck to straws and the straw is threaded through a long piece of string. The balloon can then be deflated to send it moving on the string. A number of different variables can be investigated with the eaisest being the amount the balloon is inflated. This is taliored to a low ability set but can easily be adapted by the use of questioning and how much intial support students are given.

A work sheet which students have 3 blood sample pictures and they have to identify the components in the normal slide, explain differences in two other slides. Similar to an exam question from 2008

A marking grid for self or peer assesment for students. It should be used to help them understand what they need to know about ways the medical proffesion can see into the body without invasive surgery. Marks on the grid are guidlines to how many points are needed for each section