What do they do?
This type of engineer focuses on designing and building infrastructure that supports our everyday life.
What is a Civil Engineer?
This part of the structure needs to be *BLANK *to keep it from falling over.
What is a wide base?
This simple machine is a wheel with a rope over it, used to make lifting easier.
What is a pulley?
This famous woman helped direct the building of the Brooklyn Bridge.
Who is Emily Roebling?
Civil engineers build things like roads, bridges, and even these tall structures.
What are towers?
This shape is super strong and you can see it in many bridges.
What is a triangle?
Instead of lifting straight up, a pulley lets you pull in this direction to make an object go up.
What is down?
Emily Roebling was one of the first female engineers in this country.
What is the USA?
Besides building, civil engineers also ensure structures are this, so they don't fall down.
What is safe or stable?
When both sides of a structure are balanced and even, it has this.
What is symmetry?
This type of pulley changes the direction of force, like on a flagpole.
What is a fixed pulley?
Elevators use a pulley system connected to one of these to lift the car.
What is a motor?
This is what civil engineers build to support our everyday life, like roads and bridges.
What is infrastructure?
For the "My Tower, My Rules!" activity, your tower had to have at least this many windows.
What are 8 Windows?
This type of pulley moves with the load and reduces the amount of force needed to lift something.
What is a movable pulley?
This force pulls the elevator down, but the pulley system helps lift against it.
What is gravity?
These professionals make sure structures are safe, stable, and can handle weather, weight, and movement.
Who are civil engineers?
This type of pulley system combines both fixed and movable pulleys.
What is a compound pulley?
In an elevator pulley system, a heavy one of these helps balance the load.
What is a counterweight?