Curated OER
Sun and Shadows
Why do shadows look different in the summer than in the winter? What causes day and night? How can a sundial be used to tell time? Answer these questions and more through two engaging lessons about light and shadows. Fourth and fifth...
Space Awareness
Britannia Rule the Waves
Could you determine longitude based on measuring time? Early explorers used a longitude clock to do just that. Scholars learn about early exploration and the importance of the invention of the clock. Then pupils build their own longitude...
Montana State University
Climb into Action!
Climate change affects even the largest and intimidating of landforms—even Mount Everest! A resource helps teach learners the connection between global climate change and its effects on Earth. Activities include videos, class discussion,...
EduGAINs
Go Eco! Ecosystems
How is a movie theater like a desert biome? Compare systems to ecosystems with a set of activities that focuses on accessing multiple intelligences and building upon knowledge. As learners discuss the ways elements of an ecosystem depend...
Science Matters
Up and Down Fault Blocks
The Sierra Mountains in Nevada and the Tetons in Wyoming originally formed as fault block mountains. In order to visualize these fault blocks, pupils use construction paper to create layers of earth. They cut the paper models and form...
Carnegie Mellon University
Introduction to Climate
Begin a full lesson on climate change by demonstrating how carbon dioxide gas contributes to increased temperatures. Be aware that pressure inside the antacid-containing bottle in Activity 2 may cause the lid to fly off; keep viewers at...
University of Colorado
Using Spectral Data to Explore Saturn and Titan
Saturn's rings are made of dust, ice, and solid chunks of material. Individuals use spectrographs in this final installment of 22 lessons to determine the atmospheric elements. They analyze spectrums from Titan's atmosphere and...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
101 Questions
2010 Guatemalan Sinkhole
Dig deep into a lesson studying volume. Learners view images of a Guatemalan sinkhole that seems too big to be true! Their task is to determine the amount of material needed to fill the hole using information from news articles and videos.
Cornell University
Constructing and Visualizing Topographic Profiles
Militaries throughout history have used topography information to plan strategies, yet many pupils today don't understand it. Scholars use Legos and a contour gauge to understand how to construct and visualize topographic profiles. This...
Florida International University
Design Your Own
Apply scientific principles to designing an experiment to study organisms living on the coral reef in our oceans. Through reading, individuals learn about the coral reef ecosystem and important factors that affect its function....
Polk County Education
Winter Survival/Hike
Hibernation isn't just about staying fed, it's about staying warm. Young environmentalists explore the importance of staying warm in the wilderness with a short lesson about surviving in the wild. Using gelatin to represent warm-blooded...
Illinois Department of Natural Resources
Section One: What is Biodiversity?
Four intriguing and scientific activities invite learners to explore the natural resources of their town. The activities cover concepts such as genetic traits, organizing species in a taxonomy, the differences between different species...
MENSA Education & Research Foundation
The Writer’s Toolbox: What You Need to Master the Craft
Strengthen your high schoolers' writing with a series of steps for writing successfully. With sections on organizing an essay, choosing a topic, crafting a thesis statement, and revising a draft, the lesson encourages your class to...
United Nations
Compost Monitor Training
What should go in the trash, and what can be composted? Guide your young conservationists through the process of composing their trash with a lesson about the different ways we can dispose of garbage. Using a trash bag with clean...
National Institute of Open Schooling
Hydrogen and s-Block Elements
Lesson 19 in the series of 36 analyzes the element hydrogen and the s-block elements. Through readings, answering questions, and discussion, learners write about and explain their occurrence, physical and chemical properties, and...
American Museum of Natural History
Welcome to the Dzanga-Sangha
One ecosystem is home to numerous habitats—how diverse are they? Pupils interact with an online lesson to explore three habitats in a rain forest ecosystem. They discover connections between species and how they depend on each other for...