suitable for ks3, ks4 and ks5 SCIENCE This is a fantastic activity to do in summer. The curriculum link is : practicals skills , Energy transfers, Newtons laws. This resource allows student to investigate the relationship between height of drop and impact crater. you only need marbles, metre sticks and sand, goggles I have created the worksheet that allows students to collect datan analyse and apply to exam questions. 1 worksheet 1 lesson. The powerpoint presentation is included. Students really enjoy the context and ability to do an investigation and link it to real life. Enjoy