Try this game first.Work together with people at your table to figure out the game if you need to.
If you finish that game, try this. Be sure to click on the "Instructions" tab at the top of the game to understand what you need to do.
When finished, do this:
http://intranet.puhinui.school.nz/Topics/Machines/Leonardo/LeosMysteriousMachinery.html
If you have complete everything above, go to MyNGConnect. We are in Chapter 4 of Physical Science.