strong stable structures

Open Ended

Give an example of a structure built by a human.

Open Ended

What natural materials do you know?

Multiple Choice

What is the main difference between natural materials and built materials?

• Natural materials are found in nature, while built materials are made by humans.

• Natural materials are always stronger than built materials.

• Built materials are found in nature, while natural materials are made by humans.

• Natural materials are always lighter than built materials.

Fill in the Blanks

A bridge needs to be strong enough to support the weight of people walking or cars driving over it. This ability to support a load is called

.

Multiple Select

Which of the following methods can increase the strength of a material?

• Braiding flexible materials

• Adding layers

• Folding materials

• Painting the surface

Multiple Choice

What is the function of a tie in a structure?

• To support a structure with tension

• To resist pressure

• To make the structure heavier

• To decorate the structure

Open Ended

Explain how folding a piece of paper can make it stronger. Use examples from the images to support your answer.

Multiple Select

Which of the following statements about increasing stability in structures are correct?

• Triangulation uses triangle shapes to make structures stronger

• A pyramid is stable because it has a wide base and narrow top

• A pyramid is unstable because it is tall

• Triangulation makes structures weaker

Multiple Choice

What is the main reason a tower needs to be stable?

• So that it does not fall over

• So that it looks good

• So that it is easy to build

• So that it can be taller

Fill in the Blanks

A strut helps a structure resist

Multiple Select

Which of the following are examples of struts and ties in real life?

• Tent pole

• Tent cord

• Pyramid base

• Building window

Multiple Choice

What is the name of the tall structure shown in the image?

• CN Tower

• Eiffel Tower

• Leaning Tower of Pisa

• Empire State Building

Multiple Choice

What is the name of the tall structure shown in the image?

• CN Tower

• Eiffel Tower

• Leaning Tower of Pisa

• Empire State Building

Multiple Choice

Identify the structure shown in the image.

• Colosseum

• Pantheon

• Leaning Tower of Pisa

• Big Ben