K20 Learn
Filling Our Land with Landfills: Solid Waste Disposal
Though it comprises only 5 percent of the world's population, the US generates 40 percent of the world's waste. Scholars learn about landfills, their safety, and other solid waste methods. They use experiments and research to learn more....
K20 LEARN
A Trait Accompli: An Introduction to Mendelian Genetics
Young scientists learn the laws of genetics through data collection and research. They use discussions and online resources to develop an understanding of the related vocabulary.
Serendip
Photosynthesis Investigation
Can scientists increase the rate of photosynthesis to help clean the air? Scholars complete an experiment determining net photosynthesis. Then, they apply knowledge from the activity to design their own investigations of the factors that...
Howard Hughes Medical Institute
Drug Adherence and Resistance
The FDA approved more than 25 drugs to treat HIV—and often people must use them in combination. One of the largest challenges with these medications happens due to patient error. Class members use an interactive to learn about drug...
Physics Classroom
Who Can See Who?
While only briefly mentioned in most Physics books, plane mirrors and their applications offer the basics necessary for future studies. While working through an interactive, pupils demonstrate knowledge of both reflection and its forms....
Physics Classroom
Law of Reflection
Reflection seems simple to understand, but without a complete understanding, pupils struggle with ray diagrams, specular versus diffuse reflection, total internal reflection, and image formation. An engaging interactive provides three...
Kenan Fellows
Sensors in Chemistry
The Environmental Protection Agency monitors sensors to track air pollution and set clean air standards. Enthusiastic young scientists use similar sensors to gather data in their area and then apply the gas laws and conservation of...
PBS
NOVA Evolution Lab Lesson Plan
It doesn't matter if you look on land, in the air, underground, or in water—evolution is everywhere. Scholars complete worksheets with multiple question types as they progress through six online missions creating phylogenic trees.
PBS
NOVA Evolution Lab Game
Many scholars study phylogenetic trees without understanding how they are made. Through an online game, young scientists use the given data to create phylogenetic trees of increasing complexity. They rely on the trees they create to...
Howard Hughes Medical Institute
CSI Wildlife
Can DNA fingerprinting prevent the extinction of elephants? Young scientists learn about DNA fingerprinting before applying their knowledge to case studies of elephant poaching. The first case requires them to match the DNA from a tusk...
Science 4 Inquiry
Plant Structures Lab Stations
In China, hibiscus is known as the shoe flower because it is used to polish shoes, while in Hawaii, it is honored as the state flower. Young scientists learn about the structure and function of flowers. They dissect hibiscus...
Science 4 Inquiry
The Monster Mash
Young scientists create monsters by applying their knowledge of transcription and translation. They randomly find the DNA, assign it a codon, and build monsters piece by piece.
Science 4 Inquiry
The Last Supper: Identifying Macromolecules
Why do medical examiners always state the contents of a person's stomach? Scholars learn about the importance of macromolecules through a case study of stomach contents. They perform multiple tests to determine a conclusion before they...
Science 4 Inquiry
"Something Old, Something New..."
Young scientists learn about DNA replication through a video and model creation. They answer analysis questions before exploring the role of mutations and then complete a summative assessment.
Science 4 Inquiry
Genetics, Genetics, and More Genetics: Exploring Independent Assortment and Non-Mendelian Genetics
Two individuals share 99.9 percent of their genetic codes, yet diversity is observed everywhere. Young scientists learn about diversity through hands-on activities and an experiment. They apply the concepts of independent assortment and...
Science 4 Inquiry
Enzymes in Action
Enzymes play a role in almost every function in the human body. Scholars explore three variables related to the use of enzymes. They observe a catalase reaction, experiment with substrates, and examine reactions rates.
Science 4 Inquiry
Do You See What I See?
In only nine months, a small group of cells grows into a fully developed baby. Pupils learn about the development of an embryo to a fetus to a baby. They identify each step of weekly development. Young scientists look at ultrasounds to...
Science 4 Inquiry
A Whole New World: The Search for Water
Scholars find Earth won't support humans much longer and need to identify a planet with water to inhabit. They test four unknown samples and determine which is the closest to water. Then they explain and defend their results.
Science 4 Inquiry
It's Not All Visible
Electromagnetic waves travel though empty space, something no other wave type can accomplish. Young scientists learn more about the entire spectrum of electromagnetic waves. They sort cards and apply their knowledge to create models of...
K20 LEARN
How Does Your Garden Grow?
Seventy thousand different types of soil exist in the United States alone. Young scientists learn about the importance of soil to the food supply. They test soil for a variety of factors and determine the best place to set up a community...
Cornell University
Hydrophobic Surfaces—Deposition and Analysis
Couches, carpets, and even computer keyboards now advertise they are spill-resistant, but what does that mean? Scholars use physical and chemical methods to coat surfaces with thin films to test their hydrophobic properties. Then they...
California Academy of Science
Color Vision Genetics Evolution Simulation
At one point, all mammals carried only two color receptors, but now most humans carry three. An informative presentation and hands-on activity demonstrate how this evolved through genetics. By participating in the activity, pupils...
Towson University
Mystery Disease
How did scientists determine the cause of illness before technology? Science scholars play the role of medical researcher in an engaging guided inquiry activity. Using observations, technical reading, and Punnett squares, learners...
Towson University
Mystery of the Crooked Cell
Can your class solve the Mystery of the Crooked Cell? Junior geneticists collaborate to learn about sickle cell anemia in a fascinating lesson plan. The included materials help them to examine the genetic factors behind the disease...