Curated OER
A Burst of Light
Students discover the many uses of minerals in industry. They use minerals to conduct flame tests and to demostrate color. They practice safety tips in the lab.
Teach Engineering
Investigating Contact Angle
Discover the properties of water-loving and water-hating surfaces. In the seventh installment of a nine-part series, scholars explore hydrophilic and hydrophobic surfaces by conducting an experiment. They observe surface coatings,...
Teach Engineering
Exploring Capillary Action
Explore capillary action from different perspectives. In the fourth installment of a nine-part series, scholars perform several experiments to observe capillary action. They look at the meniscus of water in a glass, observe capillary...
Teach Engineering
Battle of the Beams
Make the strongest beam possible using taffy? Groups mold a taffy-water mixture into a beam and a reinforcing material of their choice. To finish the final installment of a two-part series, participants test its strength by adding...
Curated OER
Types of Chemical Reactions
High schoolers conduct labs to gain an overview of chemical reactions. They observe examples of synthesis, decomposition, single displacement and double displacement reactions. They identify certain products by the use of litmus and...
Curated OER
An Egg-cellent Osmosis Experiment
Learners investigate the problem of osmosis by conducting an experiment. They use eggs with the shells dissolved to tell whether fluid can move across the membranes. The experiment provides high interest for all kinds of students to keep...
Curated OER
Helpful Microorganisms
Students study how some microorganisms are helpful and practical in foods. They work with microorganism in a number of food, such as yeast in bread and yogurt.
Curated OER
Genetically Modified Foods
Students explain what genetically modified foods are and how they are created. Students use appropriate vocabulary to describe and effectively discuss the benefits of, and potential risks of, genetically modified foods.
Curated OER
Scientific Methods in Biology
In this scientific methods worksheet, students will review the steps necessary in testing a hypothesis including the types of reasoning and variables involved. This worksheet has 6 terms in a crossword puzzle and 4 fill in the blank...
Curated OER
Determining Acids and Bases
Students test various liquids and identify as acids or bases. In this chemistry and pH lesson, the students use purple cabbage indicator to test a variety of teacher-provided substances, then bring in liquids from home to test acidity....
Curated OER
How Much Energy is Stored in Wood?
In this energy lesson, learners create calorimeters out of soda cans and use them to calculate the amount of energy stored in different types of wood.
Curated OER
Oceanic Absorption- Oceanic Sequestration
Students examine the techniques that may be used to reduce carbon dioxide in the atmosphere. In this pollution lesson students simulate oceanic sequestration using chemistry.
Curated OER
Ecological Succession in Pond Water Cultures
Students collect samples of pond water, dried grass, and soil in a jar. They predict the order of ecological succession in their pond water cultures. They compare their expected results with their observed results.
Curated OER
Smelly Balloons
High schoolers investigate the concept of diffusion through a membrane. They do this through the conduction of a simple experiment. Students make observations while determining if the smell of different chemicals seeps through the...
Curated OER
Mining Simulation
Eighth graders put their knowledge of rocks and minerals into perspective by seeing how minerals can be mined and the difficulties and costs of mining. They explore the environmental impacts of mining.
Curated OER
Acid Rain
Students perform experiments to determine how different acids cause acid rain. They measure the pH of the water to calculate the water's acidity. They discover how acid rain dissolves rock materials.
Curated OER
Food Energy
Students compare the energy value of traditional foods eaten by indigenous people with those of modern commercial foods. They use a calorimeter to measure and calculate the amount of stored energy in various food types, and identify the...
Curated OER
Experiments in Nanotechnology: Ferrofluids
Students explore the world of nanotechnology by synthesizing ferrofluids in a series of chemical reactions. In small groups, they follow the procedure to create the ferrofluids using precise measuring techniques. They test the resulting...
Curated OER
Creating Coacervates
Students create and observe coacervates. For this origin of life lesson, students create coacervates by mixing carbohydrate and protein solutions. They observe the life-like qualities of the structures and discuss the origin of life.
Curated OER
Newton's First Law Crash!!
Students examine Newton's first law of motion and demonstrate how it applies to cars. In this motion lesson students complete an experiment and worksheet on speed and inertia.
Curated OER
A Comparison of Polymeric Liquids with Newtonian Liquids
Students concretely illustrate and define a macromolecule, observe the unique behavior of polymers and relate to their knowledge of molecules, and use the scientific process to determine the difference between Newtonian and non-Newtonian...
Curated OER
Enzymatic Action
Students observe how a cell uses an enzyme to rid itself of a poisonous substance by experimenting with hydrogen peroxide, potatoes, liver and carrots. They record the temperature and changes of the hydrogen peroxide as other elements...
Curated OER
Measuring Calories in Food
Students measure the amount of calories in food. In this food energy instructional activity, students discuss what a calorie is, how our bodies use a calorie, and how many we need. Then, students use a calorimeter to calculate the amount...
Curated OER
Trapping CO2
Students investigate climate change and how the properties of carbon dioxide and methane play a part. In this climate lesson students use a chemical reaction to trap CO2 and methane.
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