What do you use it for?
Take a photo
Name this object?
Lightbulb
Who invented the lightbulb?
Thomas Edison
Who invented the telephone?
Graham Bell
Who invented cinema?
Lumiere brothers
Who invented radio?
Guillermo Marconi
Name 3 inventions in medicine.
...
Name 3 inventions in communication.
...
Name 3 transport inventions.
...
Name this object.
Microscope
Name this object
compass
Name this machine
Printing press
Name this object
Glasses
Name this machine?
Lever
