Share this activity with your students.Continue with Google Continue with Microsoft Teams Forces Acting on Structures and Mechanisms Unit: Forces Acting on Structures and Mechanisms Click on a topic to share individual lessons with Google Classroom. Lesson Content Topic – Two Basic Forces: Pushing and Pulling Topic – Forces and Structures Topic – Four Types of Internal Forces Topic – Forces and Shapes Topic – Four Types of Bridges Topic – The Incredible Chunnel Topic – Canada’s Longest Bridge Topic – Watch Out for Wind! Topic – Earthquake! Topic – Exploring Earthquakes Topic – Hurricanes Topic – Tornado Alert! Topic – Avalanches and Landslides Topic – Volcanoes Topic – Tsunami Alert! Topic – Tsunami: Killer Waves Topic – The Great Ice Storm of 1998 Topic – Structures and the Environment Topic – Why Igloos Work Topic – Protect Yourself! Experiment – Experimenting with Materials and Internal Forces Experiment – Plastic Straw Bridge Challenge Back to Course