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Free Reading Comprehension Worksheets by Subject

896 free high school reading comprehension worksheets, grouped by subject. Every one comes with a full answer key and prints as a ready-to-go PDF. Every worksheet runs on its own with a full answer key, so it works for sub plans.

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Geography · Unit 2

27 lessons
Biomes & Ecosystems: Life Across Earth’s Habitats cover

Biomes & Ecosystems: Life Across Earth’s Habitats

Reading Comprehension Worksheet
Climate vs. Weather: Understanding the Difference cover

Climate vs. Weather: Understanding the Difference

Reading Comprehension Worksheet
Convergent Boundaries: Where Plates Collide cover

Convergent Boundaries: Where Plates Collide

Reading Comprehension Worksheet
Deserts: Survival in the Harshest Climates cover

Deserts: Survival in the Harshest Climates

Reading Comprehension Worksheet
Divergent Boundaries: Where Plates Pull Apart cover

Divergent Boundaries: Where Plates Pull Apart

Reading Comprehension Worksheet
Earth’s Layers: From Crust to Core cover

Earth’s Layers: From Crust to Core

Reading Comprehension Worksheet
Grasslands: Where Grasses Rule the Landscape cover

Grasslands: Where Grasses Rule the Landscape

Reading Comprehension Worksheet
Lakes: Freshwater Reservoirs Shaping Ecosystems cover

Lakes: Freshwater Reservoirs Shaping Ecosystems

Reading Comprehension Worksheet
Landforms 101: Mountains, Valleys, and Plains cover

Landforms 101: Mountains, Valleys, and Plains

Reading Comprehension Worksheet
Major Climate Zones: Polar, Temperate, Tropical cover

Major Climate Zones: Polar, Temperate, Tropical

Reading Comprehension Worksheet
Mountains: Rising Giants of Earth’s Surface cover

Mountains: Rising Giants of Earth’s Surface

Reading Comprehension Worksheet
Oceans: Earth’s Vastest Water System cover

Oceans: Earth’s Vastest Water System

Reading Comprehension Worksheet
Plate Tectonics & Natural Disasters Explained cover

Plate Tectonics & Natural Disasters Explained

Reading Comprehension Worksheet
Polar Climates: Life in the Coldest Zones on Earth cover

Polar Climates: Life in the Coldest Zones on Earth

Reading Comprehension Worksheet
Rainforests: Earth’s Lush Biodiversity Hotspots cover

Rainforests: Earth’s Lush Biodiversity Hotspots

Reading Comprehension Worksheet
Rivers: Lifelines of the Landscape cover

Rivers: Lifelines of the Landscape

Reading Comprehension Worksheet
Temperate Climates: Seasons and Changing Weather cover

Temperate Climates: Seasons and Changing Weather

Reading Comprehension Worksheet
The Core: Earth’s Fiery Center of Iron and Nickel cover

The Core: Earth’s Fiery Center of Iron and Nickel

Reading Comprehension Worksheet
The Crust: Earth’s Outermost Layer and Home to Life cover

The Crust: Earth’s Outermost Layer and Home to Life

Reading Comprehension Worksheet
The Geosphere: Earth’s Solid Foundation cover

The Geosphere: Earth’s Solid Foundation

Reading Comprehension Worksheet
The Mantle: Earth’s Moving Middle Layer cover

The Mantle: Earth’s Moving Middle Layer

Reading Comprehension Worksheet
Transform Boundaries: Sliding Plates and Earthquakes cover

Transform Boundaries: Sliding Plates and Earthquakes

Reading Comprehension Worksheet
Tropical Climates: Warm and Wet Year-Round cover

Tropical Climates: Warm and Wet Year-Round

Reading Comprehension Worksheet
Tundra: The Frozen Frontier of Earth’s Biomes cover

Tundra: The Frozen Frontier of Earth’s Biomes

Reading Comprehension Worksheet
Valleys: Lowlands Sculpted by Water and Ice cover

Valleys: Lowlands Sculpted by Water and Ice

Reading Comprehension Worksheet
Water Systems 101: Rivers, Lakes, and Oceans cover

Water Systems 101: Rivers, Lakes, and Oceans

Reading Comprehension Worksheet
Weathering & Erosion: Forces Shaping the Land cover

Weathering & Erosion: Forces Shaping the Land

Reading Comprehension Worksheet

Holidays · Christmas & New Year

38 lessons
Biology of Evergreen Plants: The Science Behind Christmas Trees cover

Biology of Evergreen Plants: The Science Behind Christmas Trees

Reading Comprehension Worksheet
Body Clocks and Midnight Countdowns: Circadian Rhythms at New Year’s cover

Body Clocks and Midnight Countdowns: Circadian Rhythms at New Year’s

Reading Comprehension Worksheet
Calendars, Orbits, and the Science of New Year’s Day cover

Calendars, Orbits, and the Science of New Year’s Day

Reading Comprehension Worksheet
Christmas on the Home Front: WWII Rationing and Resilience cover

Christmas on the Home Front: WWII Rationing and Resilience

Reading Comprehension Worksheet
Colorful Chemistry: Holiday Lights, Fireworks, and the Science of Glow cover

Colorful Chemistry: Holiday Lights, Fireworks, and the Science of Glow

Reading Comprehension Worksheet
Crowded Skies: Holiday Air Travel and the Environment cover

Crowded Skies: Holiday Air Travel and the Environment

Reading Comprehension Worksheet
Environmental Science and the Holidays: Christmas Trees and Sustainability cover

Environmental Science and the Holidays: Christmas Trees and Sustainability

Reading Comprehension Worksheet
Fireside Cheer: Presidential Holiday Messages and Civic Identity cover

Fireside Cheer: Presidential Holiday Messages and Civic Identity

Reading Comprehension Worksheet
Gift Cards, Returns, and Post-Holiday Sales: The Economics of January cover

Gift Cards, Returns, and Post-Holiday Sales: The Economics of January

Reading Comprehension Worksheet
Holiday Airfares: Dynamic Pricing and Peak Demand cover

Holiday Airfares: Dynamic Pricing and Peak Demand

Reading Comprehension Worksheet
Holiday Crimes: Forensic Challenges During the Festive Season cover

Holiday Crimes: Forensic Challenges During the Festive Season

Reading Comprehension Worksheet
Holiday Debt: Credit Cards, “Buy Now, Pay Later,” and Interest Traps cover

Holiday Debt: Credit Cards, “Buy Now, Pay Later,” and Interest Traps

Reading Comprehension Worksheet
Holiday Gatherings and Germs: The Biology of Winter Illness cover

Holiday Gatherings and Germs: The Biology of Winter Illness

Reading Comprehension Worksheet
Holiday Lights, Energy Use, and Carbon Footprints cover

Holiday Lights, Energy Use, and Carbon Footprints

Reading Comprehension Worksheet
Holiday Money Choices: The Economics of Winter Spending cover

Holiday Money Choices: The Economics of Winter Spending

Reading Comprehension Worksheet
Holiday Scams and Consumer Protection: Phishing, Fake Sales, and Your Rights cover

Holiday Scams and Consumer Protection: Phishing, Fake Sales, and Your Rights

Reading Comprehension Worksheet
Holiday Stress: How the Season Affects Your Body and Mind cover

Holiday Stress: How the Season Affects Your Body and Mind

Reading Comprehension Worksheet
Holiday Whodunit: Forensic Science in Christmas Movies cover

Holiday Whodunit: Forensic Science in Christmas Movies

Reading Comprehension Worksheet
Hot Chocolate, Tea, and Cider: Solutions, Solubility, and Heat Transfer in Winter Drinks cover

Hot Chocolate, Tea, and Cider: Solutions, Solubility, and Heat Transfer in Winter Drinks

Reading Comprehension Worksheet
Ice, Floods, and Thaw: Winter Weathering and Erosion cover

Ice, Floods, and Thaw: Winter Weathering and Erosion

Reading Comprehension Worksheet
Keeping Roads Safe: Winter Salts, Ice Melt, and Water Chemistry cover

Keeping Roads Safe: Winter Salts, Ice Melt, and Water Chemistry

Reading Comprehension Worksheet
New Year Through the Ages: Calendars, Kings, and Cosmic Time cover

New Year Through the Ages: Calendars, Kings, and Cosmic Time

Reading Comprehension Worksheet
New Year’s Eve Crash Reconstruction: Forensics at the Accident Scene cover

New Year’s Eve Crash Reconstruction: Forensics at the Accident Scene

Reading Comprehension Worksheet
New Year’s Resolutions: Psychology of Goal Setting and Motivation cover

New Year’s Resolutions: Psychology of Goal Setting and Motivation

Reading Comprehension Worksheet
New Year’s Resolutions: The Psychology of Goals and Habits cover

New Year’s Resolutions: The Psychology of Goals and Habits

Reading Comprehension Worksheet
Party Smart: New Year’s Safety, Alcohol, and Risky Decisions cover

Party Smart: New Year’s Safety, Alcohol, and Risky Decisions

Reading Comprehension Worksheet
Seasonal Affective Disorder: Light, Brain Chemistry, and Winter Mood cover

Seasonal Affective Disorder: Light, Brain Chemistry, and Winter Mood

Reading Comprehension Worksheet
Silent Night in the Trenches: The 1914 Christmas Truce cover

Silent Night in the Trenches: The 1914 Christmas Truce

Reading Comprehension Worksheet
Snowflakes and States of Matter: The Physics of Freezing, Melting, and Vapor cover

Snowflakes and States of Matter: The Physics of Freezing, Melting, and Vapor

Reading Comprehension Worksheet
The Business of “New Year, New You”: Gyms, Diets, and Marketing cover

The Business of “New Year, New You”: Gyms, Diets, and Marketing

Reading Comprehension Worksheet
The Economics of the Holiday Season: Supply, Demand, and Consumer Behavior cover

The Economics of the Holiday Season: Supply, Demand, and Consumer Behavior

Reading Comprehension Worksheet
The Economics of the New Year: Spending and Consumer Behavior cover

The Economics of the New Year: Spending and Consumer Behavior

Reading Comprehension Worksheet
Turbulence, Jet Streams, and Winter Flight Delays cover

Turbulence, Jet Streams, and Winter Flight Delays

Reading Comprehension Worksheet
Why We Give: Psychology of Holiday Generosity and Charity cover

Why We Give: Psychology of Holiday Generosity and Charity

Reading Comprehension Worksheet
Winter Festivals in the Ancient World: Saturnalia, Solstice, and the New Year cover

Winter Festivals in the Ancient World: Saturnalia, Solstice, and the New Year

Reading Comprehension Worksheet
Winter Light Festivals: Geography of Global Holiday Celebrations cover

Winter Light Festivals: Geography of Global Holiday Celebrations

Reading Comprehension Worksheet
Winter Night Sky: Stars, Constellations, and Holiday Lights cover

Winter Night Sky: Stars, Constellations, and Holiday Lights

Reading Comprehension Worksheet
Wrapping Paper, Packaging, and Holiday Waste: A Sustainability Check cover

Wrapping Paper, Packaging, and Holiday Waste: A Sustainability Check

Reading Comprehension Worksheet

Holidays · Halloween

28 lessons
Bats, Vampires, and Biology cover

Bats, Vampires, and Biology

Reading Comprehension Worksheet
Budgeting for Halloween cover

Budgeting for Halloween

Reading Comprehension Worksheet
Death Rituals and the Afterlife Around the World cover

Death Rituals and the Afterlife Around the World

Reading Comprehension Worksheet
Fear and Policy-Making cover

Fear and Policy-Making

Reading Comprehension Worksheet
From Crime to Horror Movie cover

From Crime to Horror Movie

Reading Comprehension Worksheet
Full Moons and Halloween Legends cover

Full Moons and Halloween Legends

Reading Comprehension Worksheet
Halloween Crimes and Forensic Investigations cover

Halloween Crimes and Forensic Investigations

Reading Comprehension Worksheet
Halloween Safety: Hazards and Precautions cover

Halloween Safety: Hazards and Precautions

Reading Comprehension Worksheet
Halloween and American Pop Culture cover

Halloween and American Pop Culture

Reading Comprehension Worksheet
Halloween and Plastic Waste cover

Halloween and Plastic Waste

Reading Comprehension Worksheet
Halloween and the Law cover

Halloween and the Law

Reading Comprehension Worksheet
Haunted House Engineering cover

Haunted House Engineering

Reading Comprehension Worksheet
Haunting the Past: Ghosts and Spirits in Ancient Belief Systems cover

Haunting the Past: Ghosts and Spirits in Ancient Belief Systems

Reading Comprehension Worksheet
Monsters and Myths in Ancient Civilizations cover

Monsters and Myths in Ancient Civilizations

Reading Comprehension Worksheet
Plagues, Panic, and Fear in History cover

Plagues, Panic, and Fear in History

Reading Comprehension Worksheet
Pumpkins and Agriculture cover

Pumpkins and Agriculture

Reading Comprehension Worksheet
Sugar and the Halloween Binge cover

Sugar and the Halloween Binge

Reading Comprehension Worksheet
Superstitions and the Human Mind cover

Superstitions and the Human Mind

Reading Comprehension Worksheet
Supply and Demand of Candy cover

Supply and Demand of Candy

Reading Comprehension Worksheet
The Biology of Fear cover

The Biology of Fear

Reading Comprehension Worksheet
The Business of Halloween cover

The Business of Halloween

Reading Comprehension Worksheet
The Chemistry of Glow Sticks cover

The Chemistry of Glow Sticks

Reading Comprehension Worksheet
The Physics of Fear cover

The Physics of Fear

Reading Comprehension Worksheet
The Salem Witch Trials: Fear and Justice cover

The Salem Witch Trials: Fear and Justice

Reading Comprehension Worksheet
The Science of Smoke and Fog Machines cover

The Science of Smoke and Fog Machines

Reading Comprehension Worksheet
The True Cost of Halloween Debt cover

The True Cost of Halloween Debt

Reading Comprehension Worksheet
Why Do We Love Horror? cover

Why Do We Love Horror?

Reading Comprehension Worksheet
Zombie Science: Parasites and the Undead cover

Zombie Science: Parasites and the Undead

Reading Comprehension Worksheet

Holidays · Thanksgiving

20 lessons
Black Friday Forensics: Shoplifting, Organized Theft, and Crowd Violence cover

Black Friday Forensics: Shoplifting, Organized Theft, and Crowd Violence

Reading Comprehension Worksheet
Black Friday Smart Shopper: Economics and Personal Finance in Action cover

Black Friday Smart Shopper: Economics and Personal Finance in Action

Reading Comprehension Worksheet
Black Friday: Are the “Deals” Actually Good for Shoppers? cover

Black Friday: Are the “Deals” Actually Good for Shoppers?

Reading Comprehension Worksheet
Black Friday’s Economic Impact: Who Gains, Who Pays, and What It Means for the Economy cover

Black Friday’s Economic Impact: Who Gains, Who Pays, and What It Means for the Economy

Reading Comprehension Worksheet
Budget a Feast: Unit Prices, Deals, and Receipts cover

Budget a Feast: Unit Prices, Deals, and Receipts

Reading Comprehension Worksheet
Colonial Foodways: Indigenous Knowledge and European Adaptation cover

Colonial Foodways: Indigenous Knowledge and European Adaptation

Reading Comprehension Worksheet
Cranberries, Corn, and Trade: The Geography of Thanksgiving Foods cover

Cranberries, Corn, and Trade: The Geography of Thanksgiving Foods

Reading Comprehension Worksheet
Environmental Science and Thanksgiving: Turkey Farming and Sustainability cover

Environmental Science and Thanksgiving: Turkey Farming and Sustainability

Reading Comprehension Worksheet
From Teosinte to Corn: Domestication and Selective Breeding cover

From Teosinte to Corn: Domestication and Selective Breeding

Reading Comprehension Worksheet
Harvest Festivals Worldwide: Chuseok, Sukkot, Diwali, and More cover

Harvest Festivals Worldwide: Chuseok, Sukkot, Diwali, and More

Reading Comprehension Worksheet
Heat Transfer at Thanksgiving: Conduction, Convection, and Radiation in Your Feast cover

Heat Transfer at Thanksgiving: Conduction, Convection, and Radiation in Your Feast

Reading Comprehension Worksheet
Leftovers and Food Safety at Thanksgiving: Temperatures, Timers, and Storage cover

Leftovers and Food Safety at Thanksgiving: Temperatures, Timers, and Storage

Reading Comprehension Worksheet
Lincoln’s Proclamation: How Thanksgiving Became a National Holiday cover

Lincoln’s Proclamation: How Thanksgiving Became a National Holiday

Reading Comprehension Worksheet
Mapping the Mayflower: Navigation, Weather, and Settlement Choice cover

Mapping the Mayflower: Navigation, Weather, and Settlement Choice

Reading Comprehension Worksheet
Media, Myth, and Memory: How Thanksgiving Stories Evolve cover

Media, Myth, and Memory: How Thanksgiving Stories Evolve

Reading Comprehension Worksheet
Pilgrims, Wampanoag, and Diplomacy: A Complicated First Feast cover

Pilgrims, Wampanoag, and Diplomacy: A Complicated First Feast

Reading Comprehension Worksheet
Supply Chains Under Stress: Turkeys, Trucking, and Cold Storage cover

Supply Chains Under Stress: Turkeys, Trucking, and Cold Storage

Reading Comprehension Worksheet
Thanksgiving and the Presidential Turkey Pardon: Symbol, Spectacle, and Civics cover

Thanksgiving and the Presidential Turkey Pardon: Symbol, Spectacle, and Civics

Reading Comprehension Worksheet
The Thanksgiving Basket: Prices, Scarcity, and Consumer Behavior cover

The Thanksgiving Basket: Prices, Scarcity, and Consumer Behavior

Reading Comprehension Worksheet
Tryptophan Truths: Why You’re Sleepy After Dinner cover

Tryptophan Truths: Why You’re Sleepy After Dinner

Reading Comprehension Worksheet

September 11

40 lessons
9/11 and Civil Liberties: The Patriot Act Debate cover

9/11 and Civil Liberties: The Patriot Act Debate

Reading Comprehension Worksheet
9/11 and Immigration Policy cover

9/11 and Immigration Policy

Reading Comprehension Worksheet
9/11 to Forever War: The US in Afghanistan cover

9/11 to Forever War: The US in Afghanistan

Reading Comprehension Worksheet
9/11: A Day That Changed the World cover

9/11: A Day That Changed the World

Reading Comprehension Worksheet
9/11: Never Forget Patriot Day cover

9/11: Never Forget Patriot Day

Reading Comprehension Worksheet
A Nation United: American Unity After 9/11 cover

A Nation United: American Unity After 9/11

Reading Comprehension Worksheet
Air Quality and the Environmental Impact of 9/11 cover

Air Quality and the Environmental Impact of 9/11

Reading Comprehension Worksheet
Aviation Security Technology: How 9/11 Changed Flying cover

Aviation Security Technology: How 9/11 Changed Flying

Reading Comprehension Worksheet
Balancing Security and Freedom: The USA PATRIOT Act Explained cover

Balancing Security and Freedom: The USA PATRIOT Act Explained

Reading Comprehension Worksheet
Biology: Respiratory and Immune System Impacts of 9/11 cover

Biology: Respiratory and Immune System Impacts of 9/11

Reading Comprehension Worksheet
Boom or Bust: The U.S. Economy in a Globalized World cover

Boom or Bust: The U.S. Economy in a Globalized World

Reading Comprehension Worksheet
DNA Identification at Ground Zero cover

DNA Identification at Ground Zero

Reading Comprehension Worksheet
Debunking 9/11 Conspiracy Theories cover

Debunking 9/11 Conspiracy Theories

Reading Comprehension Worksheet
Economics: The Economic Impact of 9/11 cover

Economics: The Economic Impact of 9/11

Reading Comprehension Worksheet
Engineering the Memorial: Rebuilding Ground Zero cover

Engineering the Memorial: Rebuilding Ground Zero

Reading Comprehension Worksheet
Firefighters of 9/11: Courage, Sacrifice, and Legacy cover

Firefighters of 9/11: Courage, Sacrifice, and Legacy

Reading Comprehension Worksheet
First Responder Careers After 9/11 cover

First Responder Careers After 9/11

Reading Comprehension Worksheet
Forensic Science: The 9/11 Investigation cover

Forensic Science: The 9/11 Investigation

Reading Comprehension Worksheet
Health: The Long-Term Health Impacts of 9/11 cover

Health: The Long-Term Health Impacts of 9/11

Reading Comprehension Worksheet
Homeland Security and the Economy: Balancing Safety and Cost cover

Homeland Security and the Economy: Balancing Safety and Cost

Reading Comprehension Worksheet
Media and 9/11: The Role of News in a National Crisis cover

Media and 9/11: The Role of News in a National Crisis

Reading Comprehension Worksheet
Patriotism vs. Prejudice: Islamophobia After 9/11 cover

Patriotism vs. Prejudice: Islamophobia After 9/11

Reading Comprehension Worksheet
Psychology and Neuroscience: The Brain and Trauma After 9/11 cover

Psychology and Neuroscience: The Brain and Trauma After 9/11

Reading Comprehension Worksheet
Public Health Policy After 9/11 cover

Public Health Policy After 9/11

Reading Comprehension Worksheet
Remembering the Heroes of 9/11 cover

Remembering the Heroes of 9/11

Reading Comprehension Worksheet
Resilience and Remembrance: Healing After 9/11 cover

Resilience and Remembrance: Healing After 9/11

Reading Comprehension Worksheet
Search and Rescue Dogs of Ground Zero cover

Search and Rescue Dogs of Ground Zero

Reading Comprehension Worksheet
The Chemistry of Fire, Smoke, and Dust from 9/11 cover

The Chemistry of Fire, Smoke, and Dust from 9/11

Reading Comprehension Worksheet
The Digital Age and Domestic Security: New Challenges cover

The Digital Age and Domestic Security: New Challenges

Reading Comprehension Worksheet
The Hunt for the Planners: Investigating 9/11 cover

The Hunt for the Planners: Investigating 9/11

Reading Comprehension Worksheet
The Impact of 9/11 on Our World cover

The Impact of 9/11 on Our World

Reading Comprehension Worksheet
The Physics of the Twin Towers' Collapse cover

The Physics of the Twin Towers' Collapse

Reading Comprehension Worksheet
The Psychology of Trauma: PTSD and 9/11 Survivors cover

The Psychology of Trauma: PTSD and 9/11 Survivors

Reading Comprehension Worksheet
The TSA: Keeping the Skies Safe After 9/11 cover

The TSA: Keeping the Skies Safe After 9/11

Reading Comprehension Worksheet
The WTC Health Program: Caring for the Survivors cover

The WTC Health Program: Caring for the Survivors

Reading Comprehension Worksheet
The War on Terror: Domestic Impacts and Ongoing Debates cover

The War on Terror: Domestic Impacts and Ongoing Debates

Reading Comprehension Worksheet
The World Reacts: The Global Response to 9/11 cover

The World Reacts: The Global Response to 9/11

Reading Comprehension Worksheet
Timeline of the 9/11 Attacks cover

Timeline of the 9/11 Attacks

Reading Comprehension Worksheet
Understanding 9/11 Through Victim Stories cover

Understanding 9/11 Through Victim Stories

Reading Comprehension Worksheet
Who Planned 9/11? Unveiling the Attackers' Motives cover

Who Planned 9/11? Unveiling the Attackers' Motives

Reading Comprehension Worksheet
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