Bridges and Structures: Exploring the World and Designing Your Own
Bridges and Structures Around the World
Items in this lesson
Bridges and Structures Around the World
What do you already know about bridges around the world?
Learning Objective
At the end of this unit you will know about bridges and structures worldwide, understand how they are built, and design your own bridge.
What Are Bridges For?
Bridges help people and vehicles cross over rivers, valleys, or roads. They connect one place to another safely.
Types of Bridges
There are many types of bridges: beam, arch, suspension, and truss. Each is built differently for strength.
A Look at Ancient Bridges
Romans built strong stone bridges that are still standing today. These arches made roads safer and travel easier.
Famous Bridges Around the World
Some well-known bridges include the Tower Bridge in London, the Golden Gate Bridge in San Francisco, and the Sydney Harbour Bridge.
What Makes Bridges Strong?
Bridges use strong materials like steel and concrete. Their shapes, like arches and triangles, help them hold weight.
Materials Used in Bridges
Today, steel, concrete and cables are often used in large bridges.
Modern Materials
Traditional Materials
Stone, brick and wood were common building materials in the past.
Bridges in Our Lives
Bridges are important for our cities and towns. They can also be beautiful and colourful at night.
Research Task: Discover a Bridge
Interesting Fact
Research Bridges Around the World:
What is something special about your chosen bridge?
Share your findings with the class.
Find name
Location
When the bridge was built
How Do Engineers Design Bridges?
Engineers draw detailed plans before building. They test ideas using models and make improvements for safety.
Design Your Own Bridge
Think about what your bridge must cross and who will use it. Decide on the type, shape, and materials.
Build a Model Bridge
Reflect: What Did You Learn?
Write or draw something new you learned about bridges. What would you change in your next design?
Show and Share: Present Your Bridge
Write down 3 things you learned in this lesson.
Write down 2 things you want to know more about.
Ask 1 question about something you haven't quite understood yet.
