MassachusettsHISTORY EXPLORERS GRADES 3–8
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Reading tools & my notebook
My passport
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.

Explore · listen · explain

The school-land detectives

What changed at the school, and what can an image not tell us?

10–20 minutes · Read, listen, draw, dictate, or work with a partner.

Your investigation

  1. Compare the 1999 and 2025 aerial photographs.
  2. Describe one visible difference and name both image dates.
  3. Explain one thing these pictures cannot prove.
Open the source activity

Words to know

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.

Return to this mission to save your explanation.

My evidence notebook

The stamp records your self-check, not a teacher grade. Writing saves on this device when storage is available. No student account or upload.

My passport
Explore the six lessons →Image credits & sources →
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