Land Travel
Water Travel
Air Travel
100
Before the invention of the automobile (cars), this animal was the primary way people traveled on land, often pulling carriages or wagons.
A horse
100
Ancient sailors used the stars and the sun to navigate the open ocean. Today, ships use this satellite-based system to find their exact location 
GPS
100
In 1903, two brothers made history by flying the first successful airplane in Kitty Hawk, North Carolina. Who were they?
The Wright Brothers
200
This early version of the bicycle, popular in the 1870s, featured one very large front wheel and one tiny rear wheel. What is it called?
A Penny-Farthing
200
Before engines were invented, large ships like the one in the picture relied entirely on this natural resource to move across the ocean.
Wind
200
The very first human passengers to fly did not fly in a plane, but in a large balloon filled with this heated substance.
The hot AIR
300
In the 1800s, trains were powered by steam engines burning coal. Today, modern "bullet trains" in countries like Japan run on this type of power to reach speeds over 200 mph.
Electricity
300
Early rafts were made of simple logs or reeds. Modern supertankers and cruise ships are primarily built using this strong metal.
Steel
300
Early airplanes used propellers to pull them through the air. Modern commercial airliners use this type of powerful engine to fly much faster and higher.
Jet Engine