Class Size: 20 to 30 students
Time: 30 to 45 minutes
Objective: Virginia SOL 3.2
- Students will investigate and understand simple machines
and their uses. Key concepts include: lever, screw, pulley,
wheel and axle, inclined plane, and wedge.
-how simple machines function
-examples of simple machines found in school, home and
Materials: 1. Print out a scavenger
hunt page and photocopy one page
for each group.
2. Print out simple machine cards, pages 1, 2, 3, 4 and 5.
3. Laminate cards and tape them around the room.
4. (Optional) Computer, multimedia projector
Procedures: 1. Show the scavenger hunt page to
students and explain
that the goal of the activity is to find examples of simple
machines and fill the scavenger hunt sheet.
2. Students must find 2 examples of levers, 2 wheel and
axles, 1 pulley, 1 wedge, 1 screw, and 1 inclined plane.
In addition, find two examples of objects that are not
simple machines and attach them to the back of the sheet.
3. Separate students into groups of 4 or 5. Explain that
one person at a time leaves the group to find an item
for the list.
4. Give students 15 minutes to search for items. Circulate
and help students who are having difficulty.
5. When all groups are finished, have each group stand and
share the simple machines they found. (Optional) - show
the same images from the simple machines main page,
using the answer buttons to illustrate how each one is a