WorksheetsTech B Final
Total questions: 28
Worksheet time: 42mins
An improvement of an existing technology is called
engineering
innovation
The creation of new technology is
invention
innovation
Planes, ships, trains & automobiles are what type of technology?
transportation
communication
Buildings, towers, bridges, roads, and tunnels are part of what technology?
construction
transportation
Social media, email, phones, and computers are what type of technology?
medical
communication
Which force of flight is this?
Thrust
gravity
This force of flight is
lift
drag
Which force of flight is this?
gravity
lift
This force of flight is
gravity
lift
Which force of flight is the opposite of thrust?
drag
lift
What makes a hot air balloon float?
hot air is less dense than coolair
hydrogen gas
What changes electricity into mechanical energy?
an electric motor
a generator
What is the spinning part of an electric motor?
magnet
commutator
What force causes an electric motor to spin?
magnetism
gravity
The plastic coating on the outside of a wire is a good conductor of electricity.
true
false
What is this mechanism?
crown & pinion
simple gear train
What is this mechanism?
universal joint
simple gear train
What mechanism is this?
universal joint
bevel/miter gear
What is this mechanism?
crown & pinion
worm gear
What is this mechanism?
worm gear
cam & follower
What is the gear ratio in this diagram?
1:16
1:1
What is the gear ratio in this diagram?
2:1
8:1
The first gear is turning clockwise. What direction will the last gear be turning?
counter-clockwise
clockwise
When the driving (input) gear is larger than the driven (output) gear, which one will turn faster?
driving (input) gear
driven (output) gear
In a simple gear train, which gear turns the fastest?
large gear
small gear
You can simplify a code using custom "Define" blocks
true
false
What do we call the part of the robot that contains all the ports to connect motors & sensors, processes our code & makes the robot work?
sensor
Brain
This is a
keps nut
screw
