Unit
Unit 1
Every live lesson filed under Unit 1, grouped by subject and unit. That's 57 of them right now, and the rest of the shelf is one click away.
AI Literacy · Unit 1: What Is AI? (Foundations)
9 lessons
A Short History of AI: From Turing to ChatGPT
Reading Comprehension Worksheet
AI Hype vs. AI Reality: Cutting Through the Noise
Reading Comprehension Worksheet
How AI Got Smart So Fast: The 2022-2026 Boom
Reading Comprehension Worksheet
Meet the Big AI Tools: ChatGPT, Gemini, Claude, Copilot
Reading Comprehension Worksheet
Narrow AI vs. General AI: What Today's Tools Can and Can't Do
Reading Comprehension Worksheet
The Difference Between AI, Machine Learning, and Algorithms
Reading Comprehension Worksheet
The Vocabulary of AI: 20 Terms You'll Hear Everywhere
Reading Comprehension Worksheet
What Is Artificial Intelligence, Really?
Reading Comprehension Worksheet
Who Owns AI? The Companies Behind the Tools
Reading Comprehension Worksheet
Archaeology · Unit 1
10 lessons
Archaeology in Pop Culture: What Movies Get Wrong
Reading Comprehension Worksheet
Archaeology's Biggest Mistakes and Hoaxes
Reading Comprehension Worksheet
Careers in Archaeology: What Can You Actually Do?
Reading Comprehension Worksheet
Context Is Everything: Why Location Matters More Than the Object
Reading Comprehension Worksheet
Experimental Archaeology: Rebuilding the Past to Understand It
Reading Comprehension Worksheet
Famous Archaeologists Who Changed the Game
Reading Comprehension Worksheet
How Climate Change Is Both Revealing and Destroying Archaeological Sites
Reading Comprehension Worksheet
How an Archaeological Dig Actually Works
Reading Comprehension Worksheet
What Is Archaeology? An Overview
Reading Comprehension Worksheet
Who Owns the Past? The Ethics of Archaeology
Reading Comprehension Worksheet
Economics · Unit 1: Economic Foundations
18 lessons
Comparing Economic Systems: Market, Command, and Mixed
Reading Comprehension Worksheet
Economic Models and Theories: Simplifying Complex Concepts
Reading Comprehension Worksheet
Factors of Production: Building Blocks of the Economy
Reading Comprehension Worksheet
Marginal Analysis: Making the Most of Every Decision
Reading Comprehension Worksheet
Opportunity Cost: The True Cost of Every Decision
Reading Comprehension Worksheet
Production Possibilities Curve: Visualizing Choices and Trade-Offs
Reading Comprehension Worksheet
Rational Decision-Making in Economics: Balancing Benefits and Costs
Reading Comprehension Worksheet
The Role of Incentives in Economics: What Drives Decisions?
Reading Comprehension Worksheet
Trade-Offs in Resource Allocation: Balancing Needs and Wants
Reading Comprehension Worksheet
Understanding Scarcity and Choice: Why Resources Are Limited
Reading Comprehension Worksheet
Economic Goals - Growth, Stability, Equity, Freedom
Full lesson · answer keys
Economic Systems - Capitalism vs Socialism vs Mixed
Full lesson · answer keys
Factors of Production - Land, Labor, Capital, and Entrepreneurship
Full lesson · answer keys
Incentives - Why People Do What They Do
Full lesson · answer keys
Needs vs Wants - Marketings Biggest Trick
Full lesson · answer keys
Opportunity Cost - The Real Price of Every Decision
Full lesson · answer keys
Scarcity & Choice - Why You Cant Have Everything
Full lesson · answer keys
The Invisible Hand - Adam Smith Explained
Full lesson · answer keys
Geography · Unit 1
10 lessons
Cartography Basics: How Maps Are Made and Interpreted
Reading Comprehension Worksheet
Latitude and Longitude: How to Find Any Point on Earth
Reading Comprehension Worksheet
Map Projections and Distortions: Why the World Isn’t Flat
Reading Comprehension Worksheet
Political vs. Physical Maps: What They Show and Why It Matters
Reading Comprehension Worksheet
Spatial Thinking and Geographic Inquiry: Asking the Right Questions
Reading Comprehension Worksheet
The Five Themes of Geography: Making Sense of Our World
Reading Comprehension Worksheet
Time Zones and the Prime Meridian: A Global Clock System
Reading Comprehension Worksheet
Tools of Geography: Maps, Globes, GPS, and GIS Explained Simply
Reading Comprehension Worksheet
Understanding Map Scale and Measuring Distance Accurately
Reading Comprehension Worksheet
What Is Geography? Exploring Our World Through a Geographer’s Eyes
Reading Comprehension Worksheet
Marine Science · Unit 1
10 lessons
Ancient Ocean Explorers: Polynesians, Phoenicians, and Beyond
Reading Comprehension Worksheet
Branches of Marine Science: Biology, Chemistry, Geology, and Physical Oceanography
Reading Comprehension Worksheet
Careers in Marine Science and Oceanography
Reading Comprehension Worksheet
Famous Expeditions: HMS Challenger, Alvin, and Beyond
Reading Comprehension Worksheet
Marine Science Contributions to Society: Medicine, Climate, and Food
Reading Comprehension Worksheet
Modern Tools of Ocean Exploration: ROVs, AUVs, and Sonar
Reading Comprehension Worksheet
The Ocean’s Role in Earth’s Climate System
Reading Comprehension Worksheet
The Role of Marine Laboratories and Research Institutions
Reading Comprehension Worksheet
What Is Marine Science? Definition and Scope
Reading Comprehension Worksheet
Why Marine Science Matters for the Future
Reading Comprehension Worksheet