Carlos is using a tool that he built. What problem does it solve?

• Carlos can not reach things on high shelves

• Carlos does not know how to cook

• Carlos can not scratch his back

Ryan plans to build a toy plane that will fly. Which material should he choose?

• brick

• cotton

• paper

Jenna designs and tests a pencil holder. Then she thinks of a way to improve it. What step should Jenna do next?

• find a new problem

• communicate results

• redesign the holder to make it better

Why are math and science important to engineers?

• They help people cure illnesses

• They help people solve problems

• They help people use different tools

Which materials are best for building a strong bookshelf?

• wood and nails

• paper and tape

• cardboard and glue

Todd has a problem. He can not reach the light switch in his room. He follows the design process to solve the problem.

How should Todd keep good records as he works?

• brainstorm ideas

• choose materials for his plan

• draw and write about what he does

What kinds of materials do you see in this sandbox?

• only natural

• only human-made

• both natural and human-made

Which part is needed to make a car?

• a booster seat

• a handlebar

• wheels

Which two materials are human-made materials?

• cotton and wood

• plastic and nylon

• wood and plastic

Which object is made from a natural material?

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