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Renewable Energy Designing a balloon car Aim: To design, construct and test a balloon-powered car Hypothesis Requirements Design, construct and test a balloon-powered car that: has wheels has a base Ii propelled by wind power using a balloon travels at least 2 metres

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Designing a balloon car l.jpg

Designing a balloon car


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Aim:

To design, construct and test a balloon-powered car



Requirements l.jpg
Requirements

Design, construct and test a balloon-powered car that:

  • has wheels

  • has a base

  • Ii propelled by wind power using a balloon

  • travels at least 2 metres


Materials wheels l.jpg
Materials: Wheels

  • Lids from drink bottles

  • Cardboard

  • Toy wheels

  • Plastic tubing or strong plastic straws

  • Film cases


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Materials: Axles

  • Drinking straws

  • Wooden skewers

  • Thin dowel

  • Fencing wire


Materials base l.jpg
Materials: Base

  • Plywood

  • Thick cardboard

  • Sheets of foam

  • Tissue box

  • Cardboard tubes


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Fastening Materials

  • Wood or craft glue

  • Masking or insulating tape

  • Stapler and staples

  • Plasticine

  • Blu tac


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Procedure

  • Form groups of 3 or 4

  • Draw a design plan for a balloon-powered car

  • Upon completion show your plan to the teacher

  • Construct balloon-powered car

  • Test completed design

  • Make necessary modifications

  • Class competition

  • Compare results


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Evaluation

Balloon-powered car will be evaluated on the following criteria:

  • The vehicle that travels the longest distance in a straight line

  • The fastest vehicle over a distance of 10 metres

  • The most unusual design that works

  • The most aesthetically pleasing design that works


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Time line

Week 1:

  • form groups

    Week 2:

  • design

    Week 3:

  • construct

    Week 4:

  • test design

  • modifications

  • class competition