WorksheetsUnit 7. Machines and inventions
Total questions: 22
Worksheet time: 11mins
A plane is ...
A simple machine
A complex machine
A wheel is a ....
simple machine
complex machine
A pulley has a wheel and an axle. A rope goes around the outside of the wheel. The pulley is a....
simple machine
complex machine
A sharpener uses...
burn fuels
human energy
sun, wind and water energy
electricity
A plane uses...
burn fuels
human energy
sun, wind or water energy
electricity
Nowadays, some machines use energy from the sun, wind or water. They produce very little pollution.
True
False
A computer is a ...
complex machine
simple machine
The CPU (central processing unit)
processes data and organises how all the other parts work.
is where we read texts and see photos, pictures and videos.
allows us to type texts and give commands
moves the cursor on the screen and we use it to click on texts and pictures.
The screen
processes data and organises how all the other parts work.
is where we read texts and see photos, pictures and videos.
allows us to type texts and give commands
moves the cursor on the screen and we use it to click on texts and pictures.
The keyboard
processes data and organises how all the other parts work.
is where we read texts and see photos, pictures and videos.
allows us to type texts and give commands
moves the cursor on the screen and we use it to click on texts and pictures.
The mouse
processes data and organises how all the other parts work.
is where we read texts and see photos, pictures and videos.
allows us to type texts and give commands
moves the cursor on the screen and we use it to click on texts and pictures.
The software is...
the program a computer uses.
very useful but it can also be dangerous
a part of a laptop
a simple machine
Who uses a rake?
A doctor
A teacher
A farmer
A nurse
Who uses a syringe?
A doctor
A farmer
A mechanic
A teacher
They help us at home...
washing machine, dishwashers, vacuum cleaners and irons.
telephones, radios, televisions and computers.
bicycles, cars, planes and trains.
video consoles, electronic books or scooters.
They help us to communicate...
washing machine, dishwashers, vacuum cleaners and irons.
telephones, radios, televisions and computers.
bicycles, cars, planes and trains.
video consoles, electronic books or scooters.
When people use dangerous machines they must follow safety...
test
rules
mask
Workers must use special mask over their mouth and safety glasses when they work with
a drill
car
chemical substances
These materials are NOT conductors...
water and trees
people
glass and rubber
This material is conductors...
plastic
glass
water
The telegraph was the start of a transport revolution
True
False
The invention of the steam engine was part of the Industrial revolution
True
False
