Development of the atomic model #5 & 6 (AQA - Chemistry paper 1)

This lesson is suitable for the AQA Chemistry and the AQA Combined Science Trilogy GCSE courses. It is a full powerpoint presentation complete with LOs, student-led practical activities and animations. This lesson has been designed to last approximately 60 minutes and follows the format of starter, core activity, development activity and plenary. The worksheets and exam questions referred to in the lesson are also included.

Learning objectives (part 1)

1. Identify the different ways we have represented the atom throughout history
2. Describe features of these different atomic models
3. Summarise experimental data that has led to changes in our understanding of atomic structure
   This lesson meets the following specification points:

Learning objectives (part 2)

1. Identify the structure of an alpha particle
2. Describe how alpha particles were used to disprove the plum-pudding model
3. Discuss the ways in which new evidence leads to new scientific theories

This lesson meets the following specification points:
AQA Chemistry
4.1.1.3 Development of the model of the atom (common content with physics)

AQA Combined Science Trilogy
5.1.1.3 Development of the model of the atom (common content with physics)