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WorksheetsStudying - Machines, electricity and inventions
Total questions: 40
Worksheet time: 20mins
Pulleys use wheels and axles to lift heavy loads.
True
False
Scissors are an example of an inclined plane.
True
False
There are three classes of levers.
True
False
Bicycles and trucks use wheels to move around.
True
False
In class 1 levers, the fulcrum is in the middle.
True
False
A ramp is an example of an inclined plane.
True
False
A computer is an example...
...forget to save your work!
...type a keyword into the browser.
...of a complex machine
...input, memory, processing and output
A computer has four functions...
...forget to save your work!
...type a keyword into the browser.
...of a complex machine
...input, memory, processing and output
To search for information...
...forget to save your work!
...type a keyword into the browser.
...of a complex machine
...input, memory, processing and output
When writing a text, don't...
...forget to save your work!
...type a keyword into the browser.
...of a complex machine
...input, memory, processing and output
Google Slides is an example of a browser.
True.
False.
The computer stores data it receives on a hard drive.
True
False
A computer is a simple machine with lots of different components.
True
False
A computer has four main functions: input, memory, processing and storing.
True
False
Hard drives are magnetic devices that store data.
True
False
Rubbing a balloon on your hair causes electrons to pass from your hair to the balloon.
True
False
Rubbing a balloon on your hair causes protons to pass from your hair to the balloon.
True
False
Select which is the correct drawing of an atom.
What part of an atom has a positive charge?
The neutrons
The protons
When two objects are rubbed together, what part of an atom moves to create static electricity?
The nucleus
The electrons
What happens when two objects with the same electrical charge are near each other?
They are repelled
They are attracted to each other
What happens when you rub a balloon on your hair?
Your hair becomes electrical charged
The balloon deflates
A flow of electrons creates an electric current.
True
False
Electricity can only be produced by burning coal or petroleum.
True
False
An electromagnet is made of a wire coiled around an iron object.
True
False
Electromagnets can work without electricity
True
False
Electric conductors allow electric current to pass through them easily
True
False
Choose the name of this component
Light bulb or lamp
Switch off
Switch on
Battery
Wire
Choose the name of this component
Light bulb or lamp
Switch off
Switch on
Battery
Wire
Choose the name of this component
Light bulb or lamp
Switch off
Switch on
Battery
Wire
Choose the name of this component
Light bulb or lamp
Switch off
Switch on
Battery
Wire
Choose the name of this component
Light bulb or lamp
Switch off
Switch on
Battery
Wire
Edison was the first inventor to produce an electric light bulb.
True
False
Edison built the first power station.
True
False
Alexander Graham Bell invented the first television
True
False
Today television use LED lights and can connect to the Internet
True
False
Choose the correct word.
Wedge
Pulley
Wheel
Wire
Choose the correct word.
Wedge
Pulley
Wheel
Wire
Choose the correct word.
Wedge
Pulley
Wheel
Wire
Choose the correct word.
Wedge
Pulley
Wheel
Wire
