How Can We Compare Design Solutions?

Two bridges are built to cross a river. One is made of wood, and the other is made of paper. Which bridge is stronger?

• Wood

• Paper

• Both are Same

ou need to build a strong house. One design uses bricks, and the other uses cardboard. Which material would be better?

• Bricks

• Cardboard

• Both are equal

Two people build a car. One uses plastic wheels, and the other uses metal wheels. Which car will be able to carry heavier items?

• Using lightweight paper

• Using strong metal

• Using glue

A bridge made of paper is stronger than a bridge made of wood.

• True

• False

All design solutions are equal, no matter what materials are used.

• False

• True

The strongest design solution to build a tower would use ___________

Options are: (wood, metal, or cardboard).

Look at the two bridges in the picture. One is made of LEGO blocks, and one is made of paper. Which bridge can hold more weight?

Why is it important to test different design solutions before building something in real life?