Inventions
Joseph Niepce invented this in France.
Camera
When was the lightbulb invented?
1870
Who invented the car?
Karl Benz
What was wrong with the first TV?
Couldn't see and hear at the same time
What are two ways two write 4?
IV or IIII
Gideon Sundback invented this in Sweden.
zip
When was the TV invented?
1926
Who invented the lightbulb?
Thomas Edison and Joseph Swan
What did people use before the light bulb?
candles or gaslights
When there is a smaller number before a bigger number, what should you do with the smaller number?
subtract
Charles Babbage invented this.
Personal Computer
When was the car invented?
1885
Who invented the jeans?
Levi Strauss
When is Inventors' Day in Argentina?
September 29
What did the Romans use to represent numbers?
Symbols or letters
Thomas Sullivan invented this in the USA.
teabag
When was the mobile phone invented?
1979
Who invented the fridge?
Jacob Perkins
How far did the first radio wave travel?
1.5 kilometers
Write the roman numeral for 99
XCIX
This was first called the wireless
Radio
When was the first computer invented?
1820s
Who invented the Microwave?
Percy LeBaron Spencer
What were the first computer used for?
Mathematical Calculations
Write the Roman Numeral for 0
They didn't have zero