Sign Up
Student Instructions
1. Click on the 
to watch 4 different machines that use the forces of 'push' and 'pull'.
2. Click 
to begin task.
All of these machines are called Rube Goldberg machines. Rube Goldberg was a man who became famous for making machines do simple things in a very complicated way.
Look at the picture of the 'Dog treat feeder'. Have a think about how it works, what things are pushed and what things are pulled?
Use the 
or 
tools and add words like 'push' and 'pull' to explain how it works.
3. 
to 
