The activity was split into three sections. The first section was an introduction into what dinosaurs and meteorites are, to make sure that all of the children had a similar level of knowledge about the subject. We explained that there a three types of meteorite - iron, stone and stoney iron, and that they all are magnetic due to the iron within them.
The second section involved us explaining what impact craters are, and that there are two types - simple and complex, before doing an experiment, where the kids could make their own craters. This involved dropping a ball into a box filled with black beans, then couscous, then sand mixed with flour - this was to help show different layers within the Earth. We had two boxes and two balls - a heavy one to represent a heavier iron meteorite, and a light one to represent a lighter stone meteorite. Two of the children from each group dropped the balls into the sand boxes, and we then took them out and looked at the craters that they left behind. The heavier ball created a larger crater, showing the different layers, and the lighter ball created a smaller crater, which barely dented the sand/flour mix. The photo below shows one of the larger craters which was made by the larger ball.
|Big crater, complete with dinos!|
|Very good answers!|
|Meteorite, crater and volcano!|