Howard Hughes Medical Institute
Natural Selection and the Evolution of Darwin's Finches
Darwin explained the connection between species of finches 150 years before scientists understood DNA. Technology and progressing science proved he was right, yet many struggle to understand how natural selection happens. Scholars use...
Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Curated OER
The Effect of Natural Selection on Genes, Traits and Individuals
Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...
K-State Research and Extensions
You Ol’ Fossil
Geologists are gneiss, tuff, and a little bit wacke. The fifth chapter of seven includes ten activities at four different levels. The hands-on activities cover fossils including how they are formed, vertebrates, invertebrates,...
Howard Hughes Medical Institute
Ebola: Disease Detectives
How did the Ebola virus first infect humans? Young virologists examine genetic sequences from the 2014 Sierra Leone outbreak to find similarities during a riveting activity. Following similar methods used by MIT and Harvard, partners...
International Technology Education Association
Reinventing Time
Take a trip through time. A lesson resource provides instruction on the origin of current measurements for time. The text explains the different tools humans used throughout history to measure time as well as provides examples such as...
National Park Service
The Young Naturalist
Beginning with a brief history of our 26th president, Theodore Roosevelt, then followed by a discussion of his interest in nature, young scientists take to the outdoors to locate and observe local plants and insects....
Forest Foundation
Waste Not - Want Not
Recycling is the focus in the sixth of a nine-lesson series devoted to forest ecosystems. Class members read an article about the responsible use of natural resources and ways to reduce land fill.
DocsTeach
Environmental Case Study: Hetch Hetchy Valley
What is more important: building a new school or preserving a nature reserve? Keeping a natural area clean or providing clean drinking water to a city of millions? Young scholars weigh these questions—almost literally—using an...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
American Museum of Natural History
Draw a Monarch Butterfly: Scientific Illustrations
One doesn't have to be an artist to appreciate nature. A thorough resource shows pupils how to create detailed illustrations of a monarch butterfly. The lesson highlights the benefits of creating scientific drawings as opposed to simply...
It's About Time
Monitoring Active Volcanoes
The fastest growing volcano in recorded history grew more than 150 meters in less than a week and to more than 424 meters in less than a decade. How do we safely monitor active volcanoes? Young scientists design an...
NASA
Water Works on a Blue Planet
Keep within a water budget. Learners find out that less than 2.5% of Earth's water is available to drink—and that there is a fixed amount of water. Scholars read an interesting article comparing the available water to a game of Monopoly...
NASA
Erosion and Landslides
A professional-quality PowerPoint, which includes links to footage of actual landslides in action, opens this moving lesson. Viewers learn what conditions lead to erosion and land giving way. They simulate landslides with a variety of...
National Park Service
It Was a Very Good Year
Waterton-Glacier International Peace Park includes whitebark pines that are over 1,200 years old, meaning they have been there since before medieval times. The second lesson of five details how to read tree rings for climate change and...
National Park Service
Leave it to Beavers
Many people know cats mark their territories by rubbing the back of their necks to leave a scent, but not many people know beavers also leave a scent to mark their territories. During the first activity of two, scholars use their noses...
Illustrative Mathematics
The Lighthouse Problem
Long considered the symbol of safe harbor and steadfast waiting, the lighthouse gets a mathematical treatment. The straightforward question of distance to the horizon is carefully presented, followed by a look into the...
Nomad Press
Amazing Leonardo da Vinci Inventions: Make Your Own Plastic
When you hear Leonardo da Vinci mentioned, chances are that you think of the Mona Lisa, or flying machines—but what about plastic? Learners blend heavy cream and vinegar over heat to replicate da Vinci's early organic plastic recipe.
Early Childhood Learning and Knowlege Center
My Body My Senses
In a comprehensive unit of activities, learners explore the five senses. Youngsters discover the many different body parts and their functions that allow humans to have sense of sight, touch, smell, taste, and hearing. The best way to...
PBS
Season Seeking
It's a time of change. A hands-on activity engages young scientists in a lesson highlighting the change of seasons. They brainstorm indicators of season changes in nature and then look for them. Next, they record observations in a field...
PBS
Predicting/Making a Hypothesis
As an introduction to the hypothesis and testing method of investigation, young history detectives engage in a special investigation of a family artifact. After watching a short video that demonstrates the method, they develop a...
Discovery Education
The Time of Our Life
Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...
Teach Engineering
Computer Simulation of the Sonoran Desert Community
See how changes in initial populations and parameters affect a biological community. Individuals use a special software program to simulate a desert community with five species. They adjust initial populations to see how the community...
Discovery Education
The Key to It All
Which characteristics make organisms unique? Dichotomous keys simplify the process of classifying organisms by focusing on these unique characteristics. Young scholars learn how to use the dichotomous key flow chart by creating their own...