1. Choose an invention in this unit. Draw a diagram to show how it is used. Then work in groups to guess one another's inventions. 2. Rewrite the second
1. Choose an invention in this unit. Draw a diagram to show how it is used. Then work in groups to guess one another's inventions. 2. Rewrite the second
1. Choose an invention in this unit. Draw a diagram to show how it is used. Then work in groups to guess one another's inventions. 2. Rewrite the second