Longest trains

High school (ages 12+)
Transportation

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/longest-trains

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What makes a train the longest?The longest trains are measured by how many wagons they have and how many meters they cover. They can be over 6 kilometers long, which is about 3.7 miles. This length is only possible because the train’s parts are strong enough to hold together.
2. Why do trains need special engines placed in the middle or back?Locomotives are sometimes put in the middle or at the back of the train. This "distributed power" lets the engines work together, spreading the pulling and braking forces evenly. It helps keep the train from buckling or breaking apart.

Drawgear: The components connecting railway vehicles, designed to transmit tensile and compressive forces.
Traction: The force generated by a locomotive's wheels to move a train.
Slack Action: The movement of couplings between wagons as they compress or extend under varying forces.