This structure is made by animals to live in, like a bird’s home.
What is a nest?
This structure helps people cross over water or roads.
What is a bridge?
This force pushes on a structure. (Starts with the letter 'c')
What is compression?
This material is strong and often used to build buildings.
What is steel?
This shape is the strongest and often used in bridges.
What is a triangle?
This tall natural structure is made of rock and found in nature.
What is a mountain?
This tall structure holds up power lines.
What is a tower?
This force pulls on a structure.
What is tension?
This material comes from trees and is used in houses.
What is wood?
This shape can change easily unless it is supported.
What is a square?
This structure is made by bees to store honey.
What is a beehive?
This structure keeps you dry when it rains.
What is a house (or shelter)?
Name a force that could move a structure.
What is wind? (many other possible answers)
This material is very hard and used for sidewalks and bridges.
What is concrete?
This shape spreads force evenly and is used in domes.
What is a circle?
This underground structure is made by ants.
What is an anthill?
This structure is used for playing and climbing at a park.
What is a playground structure?
This force tries to bend a structure.
What is bending?
This material is flexible and can bend without breaking easily.
What is plastic (or rubber)?
This shape is strong when stacked, like in bricks.
What is a rectangle?
This natural structure protects a turtle’s body.
What is a shell?
This structure is built to let cars travel through mountains.
What is a tunnel?
When a structure is strong, it is also ______________. (starts with the letter 's')
stable
This is what engineers think about to make sure structures don’t fall down.
What is strength (or stability)?
Using many of these shapes together makes a structure stronger.
What is a triangle?