This activity was taken from the Noggin BuilderZ advanced activity book

Objectives:

• A lever is basically a long stick that you push or pull against a pivot (fulcrum) to move something.
• A lever lets you move something heavy (lift load with less effort) or make something go fast
• We use levers in so many of our daily life activities.
• There are 3 types of levers:

           1st   Class lever      Seesaw or scissors

           2nd Class Lever     Wheel barrow

           3rd  Class Lever     Staple remover / tweezers

Steps:

Scissors

Weight Scale

• Compare the weight of two items
• Is the weight of different types of gears the same?
• What is the weight of a spool? How many discs equal to the weight of a spool?
• Try to weigh and compare the weight of various objects.
• Build another type of weighing machine.

Wheel Barrow

Tweezers

Remember:

• colors of rods and other pieces may vary
• kit contains small pieces and may be a choking hazard, intended for ages 6+