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...
Virginia Department of Education
Physical and Chemical Properties of Water
How can you effectively provide detailed concepts of water properties to your high school class in a way they find exciting and challenging at the same time? By letting them play, of course! Through a variety of...
NOAA
It's a Roughy Life
Scientists recently discovered several previously unknown species at the Bear Seamount off the coast of New England. Scholars research these new species — benthopelagic, benthic, and seamount fish — and find out what makes them...
Curated OER
Investigating Properties of Water: Temperature
Investigate how temperature affects the density of water and stratification that occurs in bodies of water when temperatures vary. Water of differing temperatures is given different colors to see the layers that form. The lesson is meant...
Cornell University
The Making of Macromolecules
Compare and contrast macromolecules made from the same elements. Young scholars learn how the structure of a molecule has as much influence on a compound as the elements in the molecule. They experiment with molecular model kits to...
Cornell University
Bacteria Take Over and Down
Bacteria outnumber all other forms of life on Earth. Scholars observe the growth of bacteria in petri dishes to understand their role in maintaining good health. Then, they observe the growth of bacteria after they introduce...
Curated OER
Photosynethsis....How do we know it's really happening? - Biology Teaching Thesis
Students think of one way to detect photosynthesis in plants besides those ways shown in class. They identify the reaction that occurs during photosynthesis. Students define the difference between an acid and a base. They identify acidic...
Curated OER
Investigating the Effect of Salinity on the Density and Stability of Water
Water with varying amounts of dissolved salt are dyed and then used to compare densities. The objective is to discover the effect of salinity, and therefore density, on ocean water on the stability of the ocean. Many branches of science...
Curated OER
Science Lessons for Grade 11
High schoolers explore different activities in biology, physics and chemistry. In this science activity, students examine chromosomes using a microscope and explain their significance in sustaining life on Earth. They investigate alkanes...
National Nanotechnology Infrastructure Network
Lab On A Slab
Capillary action is the frugal chemist's dream ... the less liquid used, the more tests they can run! Learners experiment with the best design to maximize the benefits of capillary action. Using a liquid sample, they design a capillary...
Curated OER
This Life Stinks
Chemosynthetic communities of cold seep areas are considered in this instructional activity. Working in collaborative groups, marine biology or oceanography learners research and prepare a report about oxidation-reduction reactions...
Curated OER
Earth Science Lesson Plans on Geologic Time
Springboard your fourth and fifth graders into the study geologic time. They will complete 7 activities to learn about geologic time and the topics most often associated with it: astronomy, creation, planet formation, volcanology,...
Curated OER
Teaching About the Properties of Water
Students use video, Internet research, graphs and tables, worksheets and hands-on experiments to investigate the properties of water in a lake environment. They work under direction or through an inquiry process.
Teach Engineering
The Grand Challenge: Fix the Hip Challenge
It may be time to get to know the skeletons in your family. The first lesson in a series of 5, introduces the class to the concept of osteoporosis. The class members brainstorm possible causes and whether the family should be concerned...
Curated OER
Finding the Ages of Rocks and Fossils
Students practice dating fossils. They learn the concept of "deep time"--that earth was formed billions of years ago. They experience excellent hand-outs and virtual age tutorial links.
Curated OER
Scientific Inquiry
Students investigate the general geology, biology, and chemistry of Seneca Lake. They study how to use scientific instruments on the research vessel. They explain how the data they gather will be used by scientists and develop a hypothesis.
Curated OER
Polymerization Experiments
Students explain the process of polymerization. In this chemistry lesson, students produce carboxylesterase in the lab. They test its effectiveness in removing the by-product odor.
Mascil Project
Epidemics: Modelling with Mathematics
The Black Death epidemic is responsible for more than one million deaths in the United Kingdom. An inquiry-based activity has young scholars explore the rate of disease spread. They then analyze graphs showing data from epidemics such as...
Perkins School for the Blind
Building an Organic Molecule
Glucose is a simple sugar and a molecule that can be illustrated through modeling. Scientific investigators with visual impairments use hands-on models to reconstruct the process of bonding molecules. The tools used in this activity are...
Curated OER
Reduced Fare
High schoolers discover the relationship between tectonic plate boundaries and the communities of life that thrive at such boundaries. In this biology lesson plan, students find that methane from oxidized carbon in sediments provides...
Curated OER
To Smell or Not to Smell, That is the Ester
Students explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
Curated OER
Life in a Drop of Water
Students observe the wealth of living organisms in a drop of water from our freshwater ecosystems. They classify the types of organisms observed as single-celled or multi-cellular and use a key or chart to identify and name the organisms...
Curated OER
Ethical Decision Making in Biology
Students explore a model that illustrates the spread of HIV through an adolescent population. Acting in the role of epidemiologists, students explore the dilemmas of HIV infection presented by a simulation. Students produce a play, skit,...
Curated OER
Summer Science Recipes: Experiments on the Grill and in the Kitchen
Generate ideas about the most scientifically sound ways to prepare foods safely and efficiently during the summer season. Learners will use the GED Connection Science Workbook, so they can practice the skills needed to prepare for the...