Building Structures
• Materials
– Toothpicks
– Stir straws
– Marshmallows
– DOTS
• Structures
–Cube
–Pyramid
–Tetrahedron
Hands-on Structures
• Material combinations
– Toothpicks & Marshmallows
– Marshmallows & Straws
– DOTS & Marshmallows
– DOTS & Straws
Hands-on Structures
CUBE
PYRAMID
TETRAHEDRON
QUESTION: which shape, or structure,
will be the strongest? Why?
QUESTION
Which combination of materials and
shapes do you think will work best?
Why?
Groups of Three
• Build the structures
– Teamwork – decide which one of the three
team-members will build which structure and
divide up the materials accordingly
• Strength test
– We will come around with the weights
• Take a 10 minute break
• Report results to larger group