Summary Use the weight of water to raise marbles, using simple machine mechanisms: a wheel and axle, a lever and a pulley. Science content Physics: Motion and Forces, Newton’s Laws, Gravity (K, 2, 6) Physics: Simple and complex Machines (5) Activities in this lesson Water wheel to lift a weight Pulley free play Lever for lifting things Procedure Set up the three activities for students to rotate through. It will be messy, so have lots of towels and a mop handy. Gather to discuss challenges, ways they were worked around, and the forces in the simple machines. Grades taught Gr K Gr 2 Gr 3 Gr 4 Gr 5 Teaching Site Xpey' Elementary School (formerly MacDonald Elementary)
