What was the significance of the discovery of iron ore and the invention of the wheel? - Presentation

'What was the significance of the discovery of iron ore and the invention of the wheel? - Presentation' is a resource from 'What was the significance of the discovery of iron ore and the invention of the wheel?', a 2nd Grade History lesson from the unit Stone age. This lesson uses an enquiry-approach method, and will facilitate students answering the question 'What was the significance of the discovery of iron ore and the invention of the wheel?'