Which came first?
What invention appeared first: the flush toilet or electricity?
Flush toilet
What does prototype mean?
A first model used for testing.
What drink was originally sold as a medicine in a pharmacy?
Coca-Cola
Before this invention, most factories and homes relied on candles, gas lamps, or manual labor after dark.
Electricity
What chemical element has the symbol "Au"?
What invention appeared first: the camera or the car?
Camera
What does patent mean?
An officially protected invention.
What energy drink was based on a Thai drink called Krating Daeng?
Red Bull
Before this invention, most long-distance communication took days or weeks by letter.
Mobile phone
Complete the sequence: 1, 2, 4, 7, 11, __
16
What invention appeared first: the refrigerator or the mobile phone?
Refrigerator
What does obsolete mean?
No longer useful or commonly used.
What sticky product was invented from a "failed," too-weak glue?
Post-it notes
Before this invention, most infections and minor wounds could turn fatal, since doctors had no way to fight bacterial infection.
Antibiotics
What is the only country in the world that borders exactly one other country and is also an island?
Ireland (borders only the UK)
What invention appeared first: the wristwatch or the aeroplane?
Wristwatch
What does adapt mean?
To change something so it works in a new situation.
What kitchen appliance was invented after an engineer's chocolate bar melted while he was working with radar?
Microwave
Before this invention, cities couldn't grow beyond a few stories high, because there was no way to move people quickly between floors.
The elevator
A t-shirt costs 500 baht. It's on sale for 35% off. What is the sale price?
325 baht
Put these in order, oldest to newest:
car, wristwatch, electricity, mobile phone.
Wristwatch → electricity → car → mobile phone
Explain the difference between "invention" and "innovation."
Invention = created for the first time; innovation = an improvement on something that already exists
What invention came from a scientist's experiments with gases while trying to make artificial ice for keeping food cold?
Air conditioning
Before this invention, students had to write every school report and letter by hand, with no way to copy or print multiple pages.
The printer
What is the longest river in the world?
The Nile