Which invention am Which invention am I?I?

Which invention am Which invention am I?I?

Which invention am I?

I am used a lot in farming. I help prepare the soil for

sowing and planting seeds.

STEEL PLOW• Interesting fact:

Plows can be used under the sea for submarine cables.

• Did it change communities?

I am the main part of the car that helps it go.

Which invention am I?

INTERNAL COMBUSTION ENGINE

• Interesting fact: The internal combustion engine is also used for motorcycles, boats, jets, helicopters, and large ships.

• Did it change communities?

14 year old inventor Philo Farnsworth had the idea of combining picture and

sound in 1921.Which invention

am I?

TELEVISION• Interesting fact: It

costs several million dollars to show a commercial during the Super Bowl.

• Did it change communities?

I am a machine that people use to find

information and type information.

Which invention am I?

COMPUTER• Interesting fact:

The first computers were the size of a very large room.

• Did it change communities?

People use me to talk to friends, family, and

others who live far away and even nearby.

Alexander Graham Bell invented me in 1878.Which invention

am I?

TELEPHONE• Interesting fact:

Old phones were in the shape of a candlestick.

• Did it change communities?

I was invented in 1905 by Oliver Evans. I help to

keep food cold and fresh. You can usually find me

in the kitchen.Which invention

am I?

REFRIGERATOR• Interesting fact:

Iceboxes, wooden boxes with hollow walls and a large block of ice, were used before refrigerators were invented.

• Did it change communities?

Laszlo Biro invented me in 1938. I help you write letters, take notes, and

much more.

Which invention am I?

BALLPOINT PEN• Interesting fact:

Newspaper ink inspired him to create the ballpoint pen.

• Did it change communities?

An African-American inventor named Garrett

A. Morgan invented me in 1923. Drivers look at me to know when they should

go, slow down, or stop.Which invention am I?

TRAFFIC LIGHT• Interesting fact:

The first interconnected traffic light system was installed in Salt Lake City.

• Did it change communities?

When it’s hot outside, I help people stay cool inside. Willis Carrier invented me in 1911.Which invention

am I?

AIR CONDITIONER• Interesting fact:

Benjamin Franklin conducted many experiments involving evaporation to try and cool rooms.

• Did it change communities?

Mary Anderson invented me in 1905. I help

drivers see better in rainy or snowy weather.Which invention

am I?

WINDSHIELD WIPERS• Interesting fact:

You can adjust the speed of windshield wipers.

• Did it change communities?

Thomas Crapper, a British plumber, invented this flushing object in 1872 and installed more than

30 in a castle for the prince of Wales.Which invention

am I?

TOILET• Interesting fact:

Some countries have squat toilets.

• Did it change communities?