MassachusettsHISTORY EXPLORERS GRADES 3–8
Language / Idioma
Choose your path

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.

Rivers, coasts & water

Follow water from a watershed to the coast. Compare rivers, wetlands, shorelines, and coastal change.

Showing 7 of 7 resources

Official statewide map of major watershed boundaries.
Official statewide map of major watershed boundaries.MassGIS / Commonwealth of Massachusetts Image source ↗
physical

Major watersheds

statewide · 2000s

Trace areas where rainwater flows toward the same river or coast.

A question to investigate

Can a watershed cross a state border?

Dig deeper · grades 6–8

Compare the map’s creator, date, purpose, scale, and missing information with a second map. Explain what changed and what stayed connected.

Explore the official source ↗
Official local sample of MassDEP hydrography, with the original water-feature legend.
Official local sample of MassDEP hydrography, with the original water-feature legend.MassGIS / Commonwealth of Massachusetts Image source ↗
physical

Rivers, streams, lakes, and ponds

statewide · 2000s

Follow waterways through towns and across the state.

A question to investigate

Which river carries water away from your area?

Dig deeper · grades 6–8

Compare the map’s creator, date, purpose, scale, and missing information with a second map. Explain what changed and what stayed connected.

Open the interactive map ↗
Official statewide coastline map at 1:25,000 source scale.
Official statewide coastline map at 1:25,000 source scale.MassGIS / Commonwealth of Massachusetts Image source ↗
physical

Massachusetts coastline

statewide · 2000s

Examine the edges of the mainland, Cape Cod, and offshore islands.

A question to investigate

Which coast has the most bays and inlets?

Dig deeper · grades 6–8

Compare the map’s creator, date, purpose, scale, and missing information with a second map. Explain what changed and what stayed connected.

Explore the official source ↗
Official paired local wetland map samples with the original wetland legend.
Official paired local wetland map samples with the original wetland legend.MassGIS / Commonwealth of Massachusetts Image source ↗
physical

Wetlands mapped from 2005 imagery

statewide · 2000s

Locate mapped marshes, swamps, and other wetland areas.

A question to investigate

How do wetlands connect land and water?

Dig deeper · grades 6–8

Compare the map’s creator, date, purpose, scale, and missing information with a second map. Explain what changed and what stayed connected.

Open the interactive map ↗
Live map tool

Massachusetts Coastal Erosion Viewer

Compare shoreline positions along the Massachusetts coast.

Where has the shoreline moved, and in which direction?

Open the official map resource ↗
Live map tool

Sea Level Rise and Coastal Flooding Viewer

Explore how different water levels could affect coastal places.

Which low areas connect to the ocean?

Open the official map resource ↗
Map collection

Massachusetts Ocean Resource Information System

Explore ocean resources, coastal habitats, and human uses of the sea.

Where might fishing, shipping, and habitats overlap?

Open the official map resource ↗

Sources checked September 23, 2026. Open the source for current programs, hours, access, and map updates. Historical maps may contain outdated language or incomplete representations of Native homelands.

Browse all collections