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100 + pennies

Paper clips

A4 paper

Books

Ruler

Have  a class showcase of the most successful bridges. Elicit what features made it a success. What other variables may have impacted upon the success of a certain design (e.g. how many times paper re-folded / way and location in which pennies were positioned)? How  could we re-test the designs under ‘fair test’ conditions? If time, the test could be repeated – account for any differences on the results.

The bridge must span 20cm; each end will rest on a book and cannot be taped or attached in any way. Work in pairs to complete the tasks.

Discuss ways of strengthening and reinforcing the paper, e.g. fold the paper (like an accordion), roll the paper, or cut and weave the paper. Take suggestions for other ways.

Look at bridge designs – what are the fundamentals? How have the bridges been strengthened?

Can you build a bridge that holds 100 pennies, using one sheet of paper and up to five paper clips?

[Adapted from http://newsweaver.co.uk/teachersnetwork/e_article000492812.cfm?x=b11,0,w#_4)_Design_your ]

Resources

Plenary /

Assessment

Elli Based

Activity

Whole class teaching

Connecting Activity

Focus Question

SUBJECT: Science / D.T.

ELLI

Curiosity

Meaning Making

Changing

Resilience

Strategic Awareness

Creativity

Learning Relationships

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