Pupils who are secure will be able to:

• Describe how axles help wheels move a vehicle and design and label a working fairground wheel.
• Evaluate different designs.
• Describe the properties of different materials and select appropriate materials for the wheel.
• Build a stable structure, test elements of the design and adapt the design as necessary.
• Make the wheel rotate, evaluate a wheel mechanism and adapt it as necessary.
• Recall that a survey is used to find out what people like, tally results and use the results to inform the design.
• Add pods for the correct number of people and ensure that the pods stay upright when rotating around a fixed point.
• Explain the decisions for the pod design.