This invention is an aircraft that does not have a pilot but is controlled by someone on the ground, used especially for dropping bombs or for surveillance.
Drone
___________________ was invented to make it easier to keep cool.
Air conditioning
________________was invented to take people up and down buildings.
The lift
This vehicle was invented to move by turning the two pedals.
Bicycle
This can control the TV.
Remote controller
____________________ was invented to help people work and travel faster.
The steam engine
A device used to convert electricity into light, consisting of a source of illumination.
Light bulb
It was invented to keep your food unspoiled and fresh to eat.___________
Refrigerator
People look at this to know the time. ________
clock/watch...
This vehicle was invented for traveling over snow and ice.
Sleigh
Something that was invented for exchanging it for products,etc.
Money
It was invented for producing an image of whatever is in front of it.
Mirror
It was invented to help people communicate. It is _______________.
The telephone/the Internet
This invention is used for making clothes flat and smooth.
Iron
The __________________ was invented to make it easier to clean your flat or house.
vacuum cleaner
This invention is a long, thin object used for writing or drawing with ink.
Pen
__________________ were invented to improve people’s vision.
/Glasses/Contact lenses
It was invented to be used instead of paper books._______________
Electronic books
This invention is a long plastic, metal, or ceramic container that is filled with water so that you can sit or lie in it to wash your whole body.
Bath
It was invented for moving quickly from one country to another overcoming long distances.__________
Airplane
It was invented to heat and defreeze food. ____________________
Microwave
it was invented for storing, organizing, and finding words, numbers, and pictures, for doing calculations, and for controlling other machines.
Computer
This invention is used for for washing clothes, sheets, and other things made of cloth.
Washing machine
The _____________was invented to make it easier to see in the dark.
light bulb
This is big and takes many people to work or school. It travels on roads.________
Bus/Trolleybus
The________________ was invented to prevent diseases from spreading.
vaccination
It was invented for allowing hidden objects such as bones and organs in the body to be photographed.
X-ray
This invention is used for recording visual images in the form of photographs, film, or video signals.
Camera