Curated OER
Water, Water Everywhere
Students estimate the amount of water that can be found in its various forms including oceans, lakes, glaciers, rivers, etc. They view a demonstration about water distribution and discuss flash flooding safety precautions.
Curated OER
Arsenic Contamination: Water Filtration
Students work in groups to design a filtration process that will separate clean water from polluted water. They organize data in tables or graphs and present their findings to the class. Students identify further safety protocols that...
Curated OER
Water Quality Monitoring of Natural Water
Students create their own monitoring program for natural water. They collect samples from an appropriate sampling site. They perform chemical and biological analyses of their samples. They present their information to the class.
Curated OER
Water Quality Monitoring of Natural Water
Young scholars set up their own monitoring system. They collect samples from an appropriate sampling site. They analyze data and determine the water quality. They present their information to the class and draw a conclusion.
Curated OER
The Perils of Drinking Water
Learners determine the presence of drugs in water. In this chemistry lesson, students experiment on water samples using thin layer and column chromatography. They determine the concentration of drugs present using graphical analysis.
American Chemical Society
Molecules Matter
Did you know that jumping spiders sometimes wear water droplets as hats? A seventh grade science lesson introduces the concept of what makes up water: tiny molecules that are attracted to each other. Starting with a...
Cornell University
Build a Fuel Cell
Discover the connection between redox reactions and fuel cells. Collaborative groups build a Hoffmann Apparatus that demonstrates the electrolysis of water and then convert their models into a fuel cell. They use their fuel cells to...
American Chemical Society
The Ups and Downs of Thermometers
What has a thermometer earned that your pupils haven't? A degree! After reviewing the previous lessons about molecules and degrees, scholars observe how thermometers work before building their own. The module includes a activity sheet.
Rainforest Alliance
Protecting the Critical Habitat of the Manatee and Loggerhead Turtle
Explore ocean habitats with a lesson that showcases the home of manatees and loggerhead turtles in Belize. Here, pupils compare and contrast the homes of ocean animals to those of humans, listen to an original short story about...
Centers for Disease Control and Prevention
Diseases
During a cholera outbreak, scientists presented two theories; one theory was based on miasma and the other on germs and contaminated water. The lesson looks at the scientific process for finding the real culprit.
Nuffield Foundation
Observing Osmosis, Plasmolysis, and Turgor in Plant Cells
Create the perfect conditions for osmosis. Young scholars use a microscope to observe plant cells exposed to distilled water or sodium chloride. They observe how osmosis creates turgid or plasmolyzed cells.
Chymist
Tritration: Standardization of a Base and Analysis of Stomach Antacid Tablets
Do antacid tablets really do what they claim? An experimental lesson attempts to answer this question. Individuals practice the process of titration during the first part of the experiment. They then use those skills to neutralize an...
Cornell University
Nano Interactions
Tiny particles can provide big learning opportunities! Middle school scientists explore the world of nanoparticles through reading, discussion, and experiment. Collaborative groups first apply nanotechnology to determine water...
Nuffield Foundation
Intrepreting Information about Sweating and Temperature
Why do we sweat? Scholars analyze data about body temperature, sweating, and other factors to better understand sweating. They note the changes after drinking ice water to sweating, skin temperature, and body temperature. Analysis...
Santa Monica College
Mole Ratios and Reaction Stoichiometry
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth instructional activity in an 11-part series has scholars use stoichiometry to find the theoretical yield of a...
American Chemical Society
Moving Molecules in a Solid
Who likes magic shows? In the fourth of five lessons, pupils view a scientific magic trick. The ball fits through the ring easily, but then moments later, it won't pass through anymore. What changed? Can we reverse the change? Scholars...
Curated OER
Dissolved Oxygen Introduction
High schoolers are shown how dissolved oxygen enters the water. They are taught the difference between a water sample that has been exposed to the air and one that has not. Students brainstorm what organisms need to survive. They use...
Curated OER
Analyzing the Relationship between Snowpack and River Flow
Students use the Internet to research current and past snowpack levels and river gauging station readings. They determine the relationship between snowpack and river flow. They predict future river flow.
Kenan Fellows
Determining Stream Health by the Diversity and Types of Benthic Organisms
How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local...
Curated OER
Go Jump In The Lake!
Middle schoolers experiment with local lake water to determine the health of the lake waters. They explore the human impact on the lake water, hypothesize and share inferences in a scientific report.
Curated OER
Be Prepared With Emergency Supplies
Students identify what needs to be in a Family Emergency Supplies Kit. For this safety lesson, students discuss items that are necessary to have in emergencies. Students use pictures of items and order them according to importance.
Curated OER
Project Geode
Young geologists attempt to predict the appearnace of a geode's internal structure based on how it looks from the outside, its mass, and its physical characteristics. In this geologly lesson, learners use scientific equipment to collect...
Carnegie Mellon University
International Perspectives to Climate Change 2
A couple PowerPoint presentations are used to stimulate discussion about the perspectives of different countries on the issue of energy consumption. Afterward, they play a game in which each team is assigned a country, considers its...
Curated OER
Keeping Pets Safe in an Emergency
Young scholars discuss what ifs with relation to their pets. In this keeping pets safe lesson, students create lists of pet items needed in case of disasters. Young scholars complete worksheets related to pet safety in emergencies.