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.

Network email in Cambridge

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

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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.

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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

message
information sent to someone
network
connected people, places, or machines
invent
create a new tool, process, or idea

Ray Tomlinson worked in Cambridge on early computer networks. He sent an early network email and used the at sign to help identify the user and computer. Messages could move between connected machines.

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: Boston school desegregation

A federal judge ordered changes after finding that Boston schools had been deliberately segregated. Busing became part of the response. Students and families experienced conflict, danger, and efforts toward fairer access.

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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