WorksheetsREVISION TEST 1EL
Total questions: 65
Worksheet time: 37mins
What is electricity?
an object that electrons do not flow through
energy created by moving charged particles
when two objects repel each other
a circuit that has only one path for electricity to flow
This picture shows a circuit that is
closed
open
an insulator
static electricity
What kind of electricity is natural (example: lightning)?
current electricity
static electricity
power source
insulator
What is the purpose of a fuse?
to break the circuit and turn the power off if there is too much power being run
to add more power to the circuit
to be a conductor
to be an insulator
If the light bulb turns ON in a circuit, that means the circuit is
open
closed
What type of electric circuit only has ONE path for the electricity to flow?
series
parallel
open
none of the above
What is the name of this device?
electric circuit
generator
electromagnet
electric motor
What happens in an electromagnet?
Mechanical energy produces an electric field
Mechanical energy transforms into electrical energy
Electrical energy produces a magnetic field
Electrical energy transforms into mechanical energy
Which energy transformation is found in generator?
Chemical energy to Electrical energy
Chemical energy to Mechanical energy
Electrical energy to Mechanical energy
Mechanical energy to Electrical energy
What type of machine converts electrical energy to mechanical energy using magnetism?
Turbine
Motor
Generator
Electromagnet
What is the role of the generator in this system?
It supplies the original energy source for the system.
It converts the magnetism in the turbine into mechanical energy.
It produces the electrical current using the mechanical energy of the turbine.
It transmits the higher-voltage current throughout the power grid system.
What is kinetic energy?
moving energy
potential energy
stored energy
renewable energy
What is NOT a renewable energy source?
coal
wind
solar
water
Identify the renewable energy source.
Tidal
Oil
Coal
Gas
What is the fast growing sector of energy?
Non-renewable
Nuclear
Renewable
Kinetic
Which form of energy production uses a fuel but does not create significant greenhouse emissions.
Coal
Nuclear
Oil
Gas
Which energy source is considered renewable?
Coal
Petroleum
Natural gas
Hydropower
Which is a negative aspect of the use of petroleum?
It is extracted at a low cost.
It can be easily transported
It produces hazardous substances.
Petroleum is used in many products.
Which is a renewable source of energy?
Uranium
Coal
Waves
Oil
Which is FALSE about hydroelectric power?
Has little or no impact on the environment.
Energy output can be regulated to meet demand.
No greenhouse emissions.
Dams are expensive to build.
Which of the following substances is fuel used in nuclear power plants?
peat
wood
uranium
coal
Energy from the sun is
solar energy
biomass fuel
geothermal energy
hydroelectric energy
Which of the following transforms energy from uranium atoms into electrical energy?
magnetic fields
solar panels
nuclear fission
satellite dish
A windmill is a renewable energy source
True
False
Wind, water, geothermal solar and biomass are what types of energy sources?
Renewable
Nonrenewable
____________ involves a mechanical device that can imitate the actions of people or animals.
Automation
Robotics
Robot
Automobile
_________________ involves the design, construction, and operation of a robot.
Robotics
Automation
Assembly line
Manufacturing
The 1st generation robots performed simple tasks or factory work that were _____________________ for people.
Dangerous or unpleasant
Destined
Unfit
Cumbersome or inconvenient
One of the first industrial robots (1961) was called UNIMATE and was in a ____________________ automobile factory.
General Motors
Ford
Chevrolet
Honda
What sort of robot is this?
Humanoid
Non Humanoid
Which of the following are advantages of using robots?
They don’t get tired
They don’t need to be paid
They don't need electricity
They can adapt to change
An actuator is a ...
Digital device that senses movement
Digital device that produces movement
a device that senses movement
A device that produces movement
Robots can go to ..............places like burning and fallen down buildings .
funny
dangerous
good
The robots arms hold tiny ...............and ...................to help doctors in hospitals.
fingers brains
tools lights
hands nails
The part of a robot that transforms input to output is ___.
output
Brain
Which famous artist sketched robots in 1465?
Giovanni Bellini
Pablo Picasso
Leonardo da Vinci
Francisco Goya
Who invented the term ¨robot¨?
William Grey Walter
George Devol
Joe Engelberger
Karel Capek
Which country leads the world in robotics?
United States
France
Japan
Germany
Robots are
Intelligent
Creative
more accurate than humans
Muscles of a robot are
Controllers
Actuators
Bumpers
Brain of a robot is
Controller
Sensor
Actuator
What acts like a brain?
computer
tail
foot
battery
what is a robot?
An animal
A machine used to do work
A person that works on computers
Your principal
To show that lightning was indeed electrical, this scientist flew a kite during a storm, to which he had attached a key. When the kite was struck by lightning, he felt electric sparks from the key.
Albert Einstein
Leonardo da Vinci
Isaac Newton
Benjamin Franklin
My inventions made it possible for people to enjoy the benefits of electricity. My most famous invention is the lightbulb.
Alessandro Volta
Thomas Edison
Nikola Tesla
Albert Einstein
I specialise in working with electricity. I am most known for designing the AC (alternating current electric system) which we still use today. My inventions have paved the way to many of today’s essential technology such as remote controls, radio, wireless technology, etc.
Nikola Tesla
Michael Faraday
Alexander Graham Bell
Marie Curie
Which Serbian-American is known for his contributions to the design of the alternating current (AC) electricity supply system?
Nikola Tesla
Michael Faraday
Louis Pasteur
Dmitri Mendeleev
Thales of Miletus discovered
amber
electricity
magnetism
electric current
He divided materials into three groups
Thales of Miletus
Edison
Tesla
W.Gilbert
I proved that a chemical reaction can produce energy,
I'm............................
Volta
Gilbert
Ohm
Franklyn
My name is used to determine the amount of current flowing through a wire
Volta
Hertz
Ohm
Ampere
with my invention people could communicate over long distances...
I'm..................
Tesla
Edison
Morse
Mors code
