1. Rope Bridge
Rope Bridge The model bridge
Episode 4:
The model bridge

2. Objectives:
Rope Bridge The model bridge 2

3. Rope Bridge The model bridge
Engage
OK, now we have to produce a design and model for the bridge to present to the villagers. They will want to approve our plans before we start to build the new bridge.
Rope Bridge The model bridge 3

4. Rope Bridge The model bridge
OK, let’s produce a plan on paper first and then make the model.
Explore
Good plan. We can also use the paper plan to explain why we have designed the bridge in the way we have for the villagers.
Do you think they will understand the science behind the design? The forces that act? The weight and strength of the bridge?
Rope Bridge The model bridge
They should do - if we present it to them.
OK, let’s do it! 4

5. Rope Bridge The model bridge
Explain
Right. The plan is ready - let’s explain the design to another team to check it all makes sense then we can make any improvements and build the model bridge.
Rope Bridge The model bridge 5

6. Rope Bridge The model bridge
Elaborate
I’ve heard some good reports from the village head man. He says everyone likes your designs and they say thankyou for taking the time to explain it to them. Now it’s time to build the model!
Rope Bridge The model bridge 6

7. Rope Bridge The model bridge
Evaluate
We’re going to try something new for the evaluation. All the teams and the villagers will look at the model and give it marks for the design. Please have your model and explanation ready.
Rope Bridge The model bridge 7