1. Electricity
   Diesel
2. Grass
   Steam

The earliest trains were powered by steam. Later, steam engines were replaced by diesel and electric engines.

1. Roads
   Paths
2. Tracks
   Trails

Tracks allow trains to travel faster than if the train ran on the road. This was even true for carriages before trains were invented.

1. Thomas Newcomen
   Matthew Murray
2. James Wyatt
   George Pullman

Thomas Newcomen's engines were originally built for removing water from coal mines. Inventors would later improve his design for the railroad.

1. 1804
   1850
2. 1863
   1888

Trains have been around since ancient times. Early examples used tracks carved into the ground so they could be pulled by animals without going off track.

1. William Dent Priestman
   Richard Trevithick
2. William Armstrong
   Jean Jacques Heilmann

Steam engines are powered by heated water that produces stream. The water is heated by burning coal or wood.

1. Bogie
   Cab
2. Caboose
   Tender

Toy trains have become huge collectibles. One of the largest toy manufacturers is Lionel, a private company founded in New York.

1. The California Zephyr
   The California Limited
2. Orient Express
   Salamanca

This train was named after the Battle of Salamanca. In the battle, the combined forces of England, Spain and Portugal defeated the French Empire.

1. Cable railway
   Fell railway
2. Rack railway
   High-speed railway

In a rack railway, pinions rotate along racks with grooves in each. Each time the pinion catches a new groove in the rack, the train moves forward.

1. Alfred Lent
   Werner Von Siemens
2. Alfred Krupp
   Adolf Klose

Siemens' locomotive looked like a child's toy when it was presented in 1879. The operator sat at the front while the locomotive carried three carriages behind it.

1. Canadian Central
   Canadian National
2. Canadian Pacific
   Baltimore & Ohio

Amtrak is one of the few locomotives to still use electricity today. This is mainly due to cost and efficiency.

1. Boxcar
   Hopper car
2. Flatcar
   Tank car

In Sweden, ore trains traveling down from the mountains produce more electricity than they use. This electricity then powers nearby towns.

1. Flatcar
   Tank car
2. Hopper car
   Motorcoach

Dogs in Moscow will board trains and take them into the city to search for food. Then, they take the trains back to wherever​ they are from.

1. Tank car
   Flatcar
2. Motorcoach
   Gondola

During the Civil War, Northern troops destroyed train tracks across the South. This kept Southern armies from resupplying their soldiers and was a major reason for their defeat.

1. George Stevenson
   Thomas Newcomen
2. Matthew Murray
   James Wyatt

The term "horsepower" was used as a marketing tool by James Wyatt. It was supposed to describe how many horses the engine could replace.

1. Cab
   Caboose
2. Couchette
   Tender

A train conductor has many responsibilities other than operating the train. In fact, they are in charge of overseeing just about every aspect of the train from passenger safety to crew responsibilities​.

1. Robert Stevenson
   George Pullman
2. Granville Woods
   Peter Cooper

Pullman developed this idea after a horrible trip on a train where he was bunched together with passengers. His trains became popular after they were used for transporting Abraham Lincoln's body after he was assassinated.

1. Orient Express
   Indian Pacific
2. Flying Scotsman
   Eurostar

The Eurostar stretches across much of Europe. The channel tunnel opened in 1994, as part of the Eurostar network.

1. Transport goods
   Decrease travel time
2. Increase travel time
   Connect cities

Some of the earliest trains traveled less than 10 mph. Today, trains are much, much faster than that.

1. 50 mph
   100 mph
2. 200 mph
   300 mph

The Japanese bullet trains are some of the fastest trains in the world. They have reached over 300 mph.

1. London
   New York
2. Boston
   Paris

Opened in 1863, the Metropolitan Railway was the first underground railway in the world. Using gas-lit carriages, it ran until 1933.

1. Luxury train
   Express train
2. Tram
   Freight train

Freight trains are one of the most common ways of transporting good. They are extremely efficient because of the amount of material they can carry, but there are limitations because trains can only travel along their tracks.

1. Express train
   Tram
2. High-speed​ rail
   Luxury train

Because they move through public streets, trams are much slower than regular trains. People often board and exit these trains every few blocks.

1. Express trains
   High-speed rails
2. Luxury trains
   Inter-city rails

Over the years, luxury trains have become very popular tourist attractions. They allow passengers to see the environment while touring the country.

1. Commuter rail
   Express train
2. Maglev
   Monorail

As cities overflowed with residents, people looked to move outside the city. Luckily, trains developed around this time, which allowed quicker access to the city from suburbs that began to pop up outside of cities.

1. Monorail
   Express train
2. Maglev
   Inter-city rail

Magnetic trains use magnets to levitate off the ground, which cuts out friction with the track. Once the friction is gone, another magnet pushes the train down the track.

1. Monorail
   Inter-city rail
2. High-speed​ rail
   Express train

Monorails are typically elevated tracks in the city. This allows them to operate overhead instead of taking up road space.

1. 1955
   1964
2. 1979
   1981

The first bullet train opened in Japan in October, 1964. This was right before the Olympics, which took place in Tokyo that same year.

1. France
   United States
2. Argentina
   Russia

This route runs from Moscow to Pyongyang. The entire distance is 10,267 km.

1. Russia
   Turkey
2. Vietnam
   India

The journey from Portugal to Vietnam take around 12 days. It takes you through Northern Europe into Russia and down through China.

1. France
   Scotland
2. United States
   Japan

The Hogwarts Express Train runs 84 miles throughout Scotland. The real name of this steam train is the Jacobite.

1. Tender
   Funnel
2. Cab
   Caboose

A guard was much more important in the early days of trains. This was because train robbers were common, particularly in the American West.

1. Communication cord
   Emergency Stopper
2. Horn
   Power shut off

Many trains allow the driver to override a stoppage that they don't believe is necessary. Of course, for people who falsely pull the communication cord, fines and punishments have been put in place.

1. Couchette
   Tender
2. Corridor
   Ally

Thomas the Tank Engine is a famous fictional train. He was part of a book collection called The Railway Series, which later became a television show.

1. Wheel
   Convertible bed
2. Oven
   Window

Many passenger trains have seats that can be converted into beds. This provides tourists with the ability to tour the country without booking hotels.

1. Food
   Luggage
2. Sleeping passengers
   Coal and water

Railroad photography has become very popular over the years. However, most people don't know that they are trespassing when they get on the tracks.