Simple Machines
How many simple machines are there?
6
What type of engineers design eletricla systems and electronic products?
Electrical engineers
Tunnels can be divided into ___ major types.
3
How many types of catapults are there?
2
Who were Rube Goldberg machines named after?
Rube Goldberg!
What simple machine is a wheel with teeth around their circumference?
Gears
What type of engineers use science to convert raw materials and chemicals into things people can use?
Chemical engineers
Shallow foundations are also called what?
Footings
True or False... Catapults and trebuchets work the same way, but accomplish different tasks.
Flase
What does a Rube Goldberg machine need to accomplish?
A simple task
In which lever class is the fulcrum in the middle?
Class 1
What type of engineers design technology such as computer software and hardware, operating systems, and computer networks?
Computer engineers
Water must be held back during the construction of this tunnel. What tunnel is it?
Underwater tunnel
What period of time were catapults and trebuchets used in?
Medieval times
How many steps did your project need at least?
8 steps
What is a machine called if it has more than one simple machine?
A compound machine
What type of engineer designs buildings, bridges, dams, highways, and tunnels?
Civil engineers
How much support during construction do rock tunnels need?
Little to none
Does a catapult or trebuchet use a counterweight?
Trebuchet
How many points was the Rube Goldberg machine in total?
395 points
What compound machine is made up of the wheel and axle and pulley?
A belt system
How old is electrical engineering?
About 100 years old
By what century were tunnels beginning to be constructed for canals?
17th century
What are the two different types of catapults?
Mangonel and ballista
What was the first day Mrs. Rohr introduced Rube Goldberg to us?
March 8, 2019