# Why take the Eureka Challenge?

This challenge encourages you and your family to think about **geometry** and about how different **shapes** create structure.

Many structures are made from joining straight pieces together at different **angles**. By creating your own tower you and your family will learn about the **interaction between height, weight**,** and stability**.

How tall can you make your tower?

Watch Richa introduce the Eureka Challenge.

# Connections to real life

Builders and engineers apply maths skills to design and construct houses, bridges and towers.

Melbourne architectural firm Fender Katsalidis used geometry when designing Eureka Tower, a 297.3-metre skyscraper in Melbourne.

# 1. Setting the scene

Strong structures can be seen in nature (think about your own skeleton) and in the things we build.

- What do you and your family already know about structural engineering?
- How do we make structures strong, stable and tall?
- Do the shapes we find in buildings matter?
- What can you learn from structures which are made from joining straight pieces together at different angles?

Check out the video below for more information to get you started.

# Links to the curriculum

# Maths words

**angle** – an angle is the figure formed by two lines sharing a common end, which is called the vertex of the angle (like the corner of a page).

**horizontal** – an object is in a horizontal position if it is lined up with a flat surface. For example, a tabletop or a benchtop is horizontal.

**vertical** – an object is in a vertical position if it runs up or down. For example, a table leg or chair leg is usually in a vertical position.

Find more maths words in the Glossary.

# 2. The Challenge

**Build the tallest free standing tower you can**.

**Gather your construction team.**You may want to involve a parent, grandparent, brother, sister, or family friend.**Collect as much paper as you like**(think about using old newspapers or junk-mail – no cardboard).**Find some sticky tape, scissors and a tape measure**if you want to measure how tall your finished tower is.**Clear some space**, take as much time as you like, and using the paper, sticky tape and scissors**start building**.**Grab a camera to capture images or video of your tower.****Reflect:**what has building a tower taught you about the interaction between height, weight and stability?

# Advice

If you are stuck, here are some questions and suggestions that might help.

What if you try to build a smaller tower? Can you learn anything from this to help you build a taller tower?

Can drawing a diagram help you design your tower?

You could also try looking for patterns or shapes in existing towers that might help you build yours.

# Gallery

Check out our gallery to see what other families have achieved.

# 3. Keep going

Watch the video below and see what first year engineering students learn when they are challenged to build a one metre paper tower that holds one kilogram. Then see if your family can do the same.

- Now, try this: Using paper and sticky tape, make a bridge that crosses a gap of at least 30 centimetres.
- Will your bridge hold a shoe? Whose shoe could it hold?
- Watch the videos below to learn more about building skycrapers, towers and bridges, as well as the maths behind the Eiffel Tower.