Avengers Assemble

When was the airplane invented

• 1980

• 1930

• 1903

• 1902

Who invented the printing press

• Walter Hunt

• Johannes Guttenburg

• John Guttenburg

• Johannes Gutenburg

What did Alessandro Volta invent?

• Engine

• Battery

• Cell

• Voltage

Who invented the microphone and when

• Emile Berliner in 1903

• Mitchel Bower in 1913

• Mitchel Bower in 1903

• Emile Berliner in 1913

He _______ (play) in the park when he ______ ( fall) down.

• had been playing, fell

• played, fell

• was playing, fell

• was playing, fall

By the time I _______ (return) home, he ______ ( leave) the house.

I ______ (go) there after I ______ (complete) the task.

The dancer ______ (dance) on the stage wonderfully and _______ (amuse) the audience

Where were Buttons invented?

• USA

• China

• India

• Australia

Who invented the X rays?

• Evangelista Torricelli

• Willhelm Roentgen

• Willhelm Wudnt

• Evangelista Tomlinson

• Vrinda Sethi