Complete all of the following.
Create an ?exploding? craft stick reaction.
Make two simple pulleys, and use them to move objects.
Make a lever by creating a seesaw using a spool and a wooden paint stirrer. Explore the way it balances by placing different objects on each end.
Complete one of the following:
Draw a Rube Goldberg?type machine. Include at least six steps to complete your action.
Construct a real Rube Goldberg?type machine to complete a task assigned by your den leader. Use at least two simple machines and include at least four steps.