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a device used for measuring temperature, especially of the air or in a person's body
thermometer
a device for finding direction with a needle that can move easily and that always points to magnetic north. What is it?
compass
Who invented light bulb?
The light bulb was invented by Thomas Edition.
Who invented the telephone?
The telephone was invented by Alexander Graham Bell.
a type of radiation that can go through many solid substances, allowing hidden objects such as bones and organs in the body to be photographed
x-ray
Who discovered gravity?
Newton discovered gravity.
This building was buit in 1889 in Paris, France. What is it?
Eiffel Tower
This is a structure that connects San Francisco Bay and the Pacific Ocean. What is it?
Golden Gate Bridge
This building was built in 1931 in New York
Emprire State Building
