Two students were talking about how to mix materials to make a good play dough. The girl said they could mix flour and water. The boy said they could mix salt, flour, and water. They thought of more ideas, too. Which step of the Engineering Desing Process were they working on?

Two students were trying a small helicopter together. They attached blades to the top and made them spin. They then released the prototype helicopter from the top of a building to watch it fly. Which step of the engineering process were they working on?

In order to test a new design, engineering teams need to create ___.

After testing a prototype, things need to be changed to make it better. Which step in the design process is this?

Every solution begins by clearly defining the problem/challenge. To do this we _____.

In engineering, what does it mean to make a model?

The last step of the engineering design process is to share your solution to your problem. What are different ways you can communicate your results.