Curated OER
Testing the Waters
Students study the quality of water by running chemical tests on the water. First, they measure pH, temperature, phospates, and nitrates in tap (drinking) water and an outdoor water sample. Then they post and evaluate the results of...
Curated OER
Qualitative Analysis
In this qualitative analysis worksheet, learners read about all the different tests that can be done in chemistry to give qualitative results. Tests include flame tests, forming precipitates with sodium hydroxide, using sodium hydroxide...
Curated OER
Color, Light, and Excited Electrons
Investigate color, light and excited electrons and produce waves using slinkys. Your high schoolers will observe a continuous spectrum with a prism and an overhead projector. They observe flame tests to identify elements and they observe...
Scholastic
Study Jams! The Nitrogen Cycle
Expose your class to the steps of the nitrogen cycle with this short clip. Colorful computer imagery and animation explain how nitrogen travels from the atmosphere as a gas into plants and soil, where bacteria convert it into nitrates....
Curated OER
Displacement Reactions
Five metal samples are tested for their reactivity with different solutions. From the results they discover the order of reactivity for copper, iron, lead, magnesium, and zinc. Have your aspiring chemists perform this laborabory exercise...
Royal Society of Chemistry
Some Reactions of Carbon Dioxide—Microscale Chemistry
Precipitation reactions are always interesting. How about one that forms a precipitate using a gas? Chemists of any age will enjoy this twist on a standard solubility lab. Partners observe the lack of interaction between sodium hydroxide...
Curated OER
Devising a Set of Experiments to Test Water for Dissolved Substances
High schoolers work together to test water samples for pollutants. They design data tables to collect and record their observations. They complete discussion questions to end the lesson.
Curated OER
Water Quality Tests Explained
Students define all eight water quality parameters and list at list one source for each of the eight water quality parameters. They determine how each of the eight parameters affect river ecosystems.
Kenan Fellows
Making Connections with Water Quality
What's in your water? And, why is water quality so important? Enhance your class's level of water appreciation through a lesson that demonstrates the necessity of water quality. Environmental enthusiasts explore the EPA's Clean Water...
Learning Games Lab
Nitrogen in Pollutants
Responsible farming is important for maintaining natural resources. Eager scientists complete a WebQuest to explore what happens to nitrogen when it enters the soil. They learn about the chemical makeup of nitrogen-based molecules and...
Curated OER
The Chemical Detective
In this chemical detectives worksheet, students perform 6 tests on various unknown solutions including a test for chloride ion, sulphate ions, carbonate ions, iron (III) ions, iron (II) ions and copper (II) ions. Students record their...
Curated OER
Great Lakes Ecology
Young scholars are able to use a secchi disk to measure the turbidity of water by determining the depth at which the sechi disk is no longer visible and using the data in a formula to quantify the results. They are able to use Vernier...
Curated OER
What's in the Water?
Young scholars make a water sampler and use proper techniques to collect water.They write a essay explaining the inter-relationship of factors such as temperature, pH, dissolved oxygen, nitrates, and phosphates in a lake that might cause...
Curated OER
How about a Little Give and Take?
Middle schoolers design a closed system to test the relationships between plants and animals. They monitor abiotic fluctuations within this living system by using a chemical test kit. They observe how living organisms respond to...
Curated OER
Oxidation of Ethanol to Ethanoic Acid
In this oxidation reaction worksheet, students covert ethanol to ethanoic acid using a condenser. Students test the smell of the final product, they add sodium carbonate and they test the product with indicator paper. They explain their...
Curated OER
Wetland/Estuary Structure and Functions
Students plant wetland plants in aquatic soil and regular soil. They test the effect fertilizers have on each and record the chemicals found in run-off water collected from each soil sample.
Curated OER
Controlling Nonpoint Source Pollution
Students examine factors affecting water quality. They test water in a local body of water to determine its quality. They collect data and continue monitoring the water monthly. They assess water quality in the home and on the farm.
Curated OER
Nutrients In Chesapeake Bay
Students perform pH and turbidity test to determine water quality. In this environmental science instructional activity, students analyze NASA database on chlorophyll-a in the bay. They explain how a small river area affects Chesapeake Bay.
Curated OER
Colored H2 Balloon Explosions
Students perform an experiment in which they put different types of salts in a balloon, fill it with hydrogen gas, and ignite it. The electrons in the salt molecules are excited by the heat and release energy in the form of light. ...
Curated OER
What is Wrong with My Pond?
Students examine various pond water samples to identify water quality. In this water quality lesson, students will identify levels of nitrates, ammonia, pH, hardness,and alkalinity in pond water. They will explain importance of water...
Curated OER
Food Additives
In this food additives worksheet, students will read information about the use of curing salt and ion nitrates to preserve food and the health problems that can occur from using these substances. Students will then answer 4 short answer...
Curated OER
Identifying Anions
In this anions worksheet, students are given a table showing 9 anions, the test that indicates the presence of each anion and what will be observed when each substance is added to the anion.
Curated OER
Acid Rain Research
Students collect samples of rainfall, cloud condensation, and water that trickles through the soil. These samples are tested for pH, conductivity, and the presence of sulfates, nitrates, calcium, and magnesium.
Curated OER
"Pandemic" A Disease Simulation
Students use small test tubes with water, salt and a silver nitrate solution to simulate the spread of infectious disease contracted the exchange of bodily fluid. They problem solve to track the original source of infection.