Renewable Energy

1
Renewable Energy

2
Designing a balloon car
3
Aim

• To design, construct and test a balloon-powered
  car

4
Hypothesis

5
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

6
Materials Wheels

• Lids from drink bottles
• Cardboard
• Toy wheels
• Plastic tubing or strong plastic straws
• Film cases

7
Materials Axles

• Drinking straws
• Wooden skewers
• Thin dowel
• Fencing wire

8
Materials Base

• Plywood
• Thick cardboard
• Sheets of foam
• Tissue box
• Cardboard tubes

9
Fastening Materials

• Wood or craft glue
• Masking or insulating tape
• Stapler and staples
• Plasticine
• Blu tac

10
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

11
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

12
Time line

• Week 1
• form groups
• Week 2
• design
• Week 3
• construct
• Week 4
• test design
• modifications
• class competition