Inventions
Inventors
Vocabulary
Significance
Dates & Events
100

What did Margaret Knight invent?

Flat-bottomed paper bags

100

Who invented the electric brake?

Victor Ochoa

100

What is a device?

A tool or machine made for a specific purpose

100

Why was the zipper important?

It improved the function of clothing and bags

100

When was the tin can invented?

1810

200

What problem did Momofuku Ando’s invention solve?

Food shortages

200

Who invented general anesthesia?

Seishu Hanaoka

200

What does identical mean?

Exactly the same

200

Why was the life raft important?

It helped save lives at sea

200

In what year was color television first broadcast?

1942

300

Which invention helps clear windshields in bad weather?

Windshield wipers

300

Who invented roller skates?

John Joseph Merlin

300

What does patent mean?

Legal protection for an invention

300

Why was instant noodles an important invention?

 It provided an easy way to prepare food in times of shortage

300

When did Laszlo Biro invent the ballpoint pen?

1944

400

Which invention made storing food in metal containers possible?

Tin can

400

Who invented the zipper?

Gideon Sundback

400

What is an invention?

A new creation or device that solves a problem

400

Why is the ballpoint pen considered revolutionary (involving a complete change)?

It was easier to use and didn’t require refilling as often as fountain pens

400

In what year did Margaret Knight invent the flat-bottomed paper bag?

1871

500

What invention made cooking fast and easy by just adding hot water?

Instant noodles

500

Who invented the ballpoint pen?

Laszlo Biro

500

What is an emergency?

 A sudden, urgent situation that requires immediate action

500

What impact did general anesthesia have on surgery?

It allowed patients to undergo surgery without feeling pain

500

When did John Joseph Merlin invent roller skates?

1760s