MassachusettsHISTORY EXPLORERS GRADES 3–8
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Quick glossary
evidence
Information from a source that helps us test a claim.
source
A document, object, image, or account we can examine.
inference
An explanation based on clues; it still needs checking.
migration
Moving from one place to another to live.
immigrant
A person who moves to another country to live.
estimate
An approximate amount, based on available information.
oral history
A recorded interview about someone’s memories and experiences.
community
People connected by a place, relationships, or shared activities.
ancestry
Family origins across generations.
primary source
Evidence created by someone who experienced a time or event.

Event 56 of 100 · 1897

Boston opens a subway

Choose a PDF, read on screen, and try the word game.

← All 100 events

Choose your PDF reading

Grade 2 PDF ↗Short sentences, pictures, and read-and-notice questions.Grade 4 PDF ↗More context, text evidence, and explanatory writing.Grade 8 PDF ↗Source analysis, perspective, and evidence-based comparisons.Words first PDF ↗Supported reading for multilingual learners and students who benefit from more spacing and oral rehearsal.

All four include an image, vocabulary, comprehension questions, a follow-up reading, and teacher guidance. These English PDFs have selectable text; use the reading below for adjustable text and listening tools.

Read on this page

Modern topic illustration created for Massachusetts History Explorers. It is not a historical artifact.
Modern topic illustration created for Massachusetts History Explorers. It is not a historical artifact.

Words to know

transport
move people or goods from one place to another
route
a path from one place to another
engineer
a person who designs and tests structures or systems

Boston opened the Tremont Street Subway. Streetcars could travel below crowded streets. It was North America’s first subway. Transportation changed how people moved through the city.

Talk about the reading

What happened? Point to a detail that supports your answer. What does the picture help you understand? What would you like to investigate next?

Follow-up: The Lawrence textile strike

Workers in Lawrence protested lower pay and difficult conditions. Many came from immigrant families and spoke different languages. They organized together. The strike became known as Bread and Roses.

How are the two events connected or different? Their order does not prove that one caused the other.

Read the follow-up event →

Word match: use the reading

Select a word, then select its meaning. You can use a keyboard or tap. Read the word bank if you need a clue.

Choose a word to begin.

Check the evidence

Research source for this event ↗

Original site illustration. Image source and rights ↗

Historical images, later portraits, reconstructions, and modern topic illustrations are identified in their captions. They are different kinds of evidence.

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