1st Nine Weeks Project-Choose to build a windmill, bridge, or other complex machine ( two or more simple machines combined is a complex machine )-Choose your own group-No more than 3 people per group-Should fit in a square box 1 m each side-Due Oct 18 ( whenever the even day is )-Will be graded on effort AND how well your project works

Grading Rubric• 50 points for showing up with anything that resembles a

windmill, bridge, or other complex machine (consists of two or more simple machines)

5 – just above bare minimum

11 - average 17 - exceptional Total

(50+?)

Appearance 90% covered in Glue/Tape

No Paint

50% covered in Glue/Tape

Paint

20% covered in Glue/Tape

Painted/Designs

Construction

Difficulty

Barely Stands on its own ( needs help from you )

Stands on its own but is lopsided

Square and sturdy ( needs no help standing upright )

Effectiveness Holds 2 bks

Spins slow

Not continuous operation

Doesn’t shoot

Holds 4 bks

Moves/Spins med

Continuous

Shoots marble only within 3’

Holds 6 bks

Moves/Spins fast

Continuous operation

Shoots marble beyond 3’