What If All Cars were Replaced with Bicycles?

Cosmo wants to learn about bicycles and decides the best way to study bicycles would be to see what would happen if everyone on Earth rode a bicycle instead of driving a car. Cosmo starts by explaining how a bicycle is made of many simple machines including gears, wheels, pulleys, and levers that work together. If everyone rode a bicycle, would we be healthier? Would the planet be healthier? Would it be safe to ride a bicycle in the winter? And how can we adapt bicycles for people who cannot use a standard bicycle?

Topic: Habitats and Communities

Cosmorriculum:

Analyse the positive and negative impacts of human interactions with natural habitats and communities

Topic: Pulleys and Gears

Cosmorriculum:

Assess the environmental impact of using machines with pulleys and gears, and suggest ways to minimize negative impacts and maximize positive impacts
Describe the purposes of pulley systems and gear systems
Identify pulley systems and gear systems that are used in daily life, and explain the purpose and basic operation of each
Explain how the gear system on a bicycle works