University of Colorado
Phases of Charon
Pluto, although no longer considered a planet, has five moons. Pluto's moon, Charon, is the focus of a resource that describes how the moon is viewed from the surface of Pluto. Photos help individuals see how Charon would look at...
Curriculum Corner
Coniferous and Deciduous Trees
What are the differences between coniferous and deciduous trees? Supplement your tree lessons with a set of activities that has learners describing, naming, comparing, and reading about deciduous and coniferous trees. The activities are...
Nuffield Foundation
Making a Calibration Curve for Starch Concentration
How well can your class concentrate on solutions? Scholars use colorimeter absorption to explore a starch concentration calibration curve. They add iodine to different starch solutions to see how the concentration of the solution changes.
Serendip
Evolution of Fur Color in Mice – Mutation, Environment and Natural Selection
Most species of animals include a variety of fur or hair color, but why? Scholars watch a video about a changing environment for mice. As the rocks around them change hues, different colors of mice begin to thrive. Discussion questions...
American Museum of Natural History
What's This? Staying Safe
Amaze the class with the creative adaptations species employ to trick predators. An online interactive lesson introduces learners to six different species with unique adaptations. Each species highlights a different adaptation and its...
University of Colorado
Patterns and Fingerprints
Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a...
Kenan Fellows
Using Water Chemistry as an Indicator of Stream Health
Will this water source support life? Small groups test the chemistry of the water drawn from two different sources. They then compare the collected data to acceptable levels to draw conclusions about the health of the source. The...
Las Cumbres Observatory
The Cosmic Distance Ladder: Parallax
Scientists don't have a ruler long enough to measure to the stars, so they rely on math. Scholars learn to calculate the distance from Earth to a star using the parallax method. They use angle measures from different perspectives to...
Curated OER
Critical Thinking Strategies
Teach your readers to be critical thinkers. A strategy is outlined that can be used to compare and contrast entities. An example lists four states. The learner removes one state that "does not belong" in the list for some reason, and...
Curated OER
How Different Authors Treat Similar Themes - Elephants of Africa
Learners watch videos about similar themes presented by two different authors about elephants and their relationship with humans. In this theme analysis lesson, students watch video segments, visit the given websites, and complete...
American Chemical Society
Developing Tests to Distinguish Between Similar-Looking Liquids
Each group talks about how to test unknown liquids based on their findings in the previous experiment. In this second of four activities, they test unknowns on wax paper, newspaper, and construction paper. As a stand-alone, this lesson...
National Wildlife Federation
Tree Detectives!
Trees may look pretty similar until you take a closer look. Young scientists use their observation skills to describe the difference between the bark, leaves, and seeds of different trees. They then use a field guide to identify local...
PHET
Iron Filings and Magnetic Field Lines
How do magnetic fields differ? Allow scholars to see the difference between 2-D and 3-D magnetic fields. They construct models of both and observe how they are similar and different. It is the fifth installment of an 18-part unit.
Royal Society of Chemistry
Units of Volume
Did you know in the UK a quart is smaller than in America? This explains why a standard unit of measure is necessary for volume. Young scientists learn the similarities and differences between five different units used to measure volume....
Nuffield Foundation
Investigating the Effect of Concentration of Blackcurrant Squash on Osmosis in Chipped Potatoes
Model and explore osmosis using squash and potatoes. Young scientists expose chunks of potatoes to different concentrations of a squash solution. They compare the weights of the chunks before and after exposure to the solution and use...
Howard Hughes Medical Institute
RNA Diversity
Messenger RNA, transfer RNA, and ribozymes ... the many faces of RNA. The structure of RNA makes it much more versatile than the very similar DNA. Learners view a slideshow presentation to learn all about the different forms and...
PBS
Mountains and Rain Shadows
Scholars use an online interactive to learn just how different the other side of the mountain actually appears. They use satellite images, graphics, and videos to compare the impact of winds, oceans, clouds, precipitation, and more on...
Biology Junction
Echinoderms
Turn a walk on the beach into an in-depth biology lesson! Scholars learn about the different classes of echinoderms in an informative PowerPoint presentation. The lesson explains the unique characteristics of the five different classes...
Agriculture in the Classroom
Seed Match
Using this resource, your team of green thumbs discuss why plants are a part of a healthy diet and the different ways they are used in daily life. They then observe the characteristics of different seed as they attempt to match them with...
BioEd Online
The Skeleton
Don't be chicken to try a lesson plan that compares the anatomy of birds to humans. Read the background information so you don't have to wing it when it comes to the anatomy of a chicken. Prepare cooked chicken bones by soaking them in a...
Scholastic
Study Jams! The Rock Cycle
Rock out with a song, video, and quiz about the rock cycle. Learn how it is similar to recycling, the different kinds of rocks, and how they form. There is a karaoke feature that allows learners to sing along, helping to cement the...
Kindergarten Kindergarten
Living and Non-Living Sort
What do an ice cream cone, bicycle, and alarm clock all have in common? That's exactly what young scientists will find out as sort these pictures and learn about the differences between living and non-living things.
Teach Engineering
Skin and the Effects of Ultraviolet Radiation
Though UV radiation can damage skin, it isn't all bad. The third installment in a six-part series allows the class to study the structure and function of skin. They learn about the different types of skin cancer and the SPF rating...
American Chemical Society
What’s the Difference between Baking Soda and Baking Powder?
Introduce pupils to chemical reactions. Using the hands-on lesson, learners experiment with substances that combine to form a gas. Different substances react to form different amounts of gas, leading to a discussion about the particles...