Santa Monica College
The Properties of Oxygen Gas
Scholars generate and collect pure oxygen through a decomposition reaction of hydrogen peroxide in the fourth lesson of an 11-part series. Then, they complete six investigations into the properties of oxygen.
Concord Consortium
Dissolving
What happens to substances when they dissolve in water? Young scientists investigate the dissolving process with a colorful interactive. The resource illustrates changes in potential energy as solute particles interact with water...
Concord Consortium
Boiling Point
Is it getting hot in here? Observe boiling from inside a beaker in an engaging interactive. Chemistry scholars heat and cool polar and non-polar solids and observe how molecules react to temperature changes. Your class' misconceptions...
Curated OER
Vitamins
Students determine the amount of vitamin C present in 3 samples of juice stored in various light conditions. In this vitamin lesson plan, students investigate the amount of vitamin C present in juice exposed to different quantities of...
Curated OER
Determination of the Physical Properties of Dietary Fibers
In this dietary fibers activity, students compare and contrast the properties of different fibers: cellulose, hemicellulose, pectin, guar, agar, and xanthan gum. This activity has 5 short answer questions.
Curated OER
How to Clean Up an Oil Slick
Students explore how an oil spill is contained and cleaned up. They investigate an oil absorbing polymer that is hydrophobic, absorbs up to 19 times its own weight in nonpolar liquids, floats on water, and can be reused or disposed of by...
Curated OER
What Is Special About Polyethylene Food Storage Bags?
Young scholars participate in an investigation in which they compare a polyethylene bag designed for recycling or disposal with a polyethylene food storage bag. Students use hexane to determine the differences between the low density...
Curated OER
Water and Polymers
Learners conduct qualitative and quantitative investigations based on the interaction between water and various polymers. They determine the percent moisture contained in various plastics along with a qualitative procedure to determine...
Curated OER
Slime and Intermolecular Attractions
Students explore the strength of intermolecular attractions. They make slime and compare the difference in the physical properties of sheet and powdered polyvinyl alcohol with polyvinyl acetate.
Pingry School
Kinetics of the Acid Decomposition of Thiosulfate
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Curated OER
Chromatography
Students use chromatography to separate substances in Kool-Aid, Crayola markers and leaves. In this chromatography lesson plan, students make chromatograms to separate substances in a mixture through absorption. Students find the Rf...
Curated OER
Identification of Different Compounds and Substances
Students conduct a series of tests to identify unknown compounds. In this chemistry lesson, students compare the physical and chemical properties of substances. They collect data and formulate a conclusion.
Curated OER
The Relationship Between Salinity and the Density of Water
Students investigate density and salinity of water. In this density and salinity lesson plan, students find the density of objects and liquids and show the relationship between the salinity and density of water. Students add salt to...
Curated OER
Smooth It Out
Fourth graders describe how weather events such as hard rains and floods cause weathering of the Earth's surface and rocks. They distinguish between erosion and weathering, and comprehend that water and friction show similar results in...
Curated OER
What Happens When Chemical Are Put Together?
In this chemical reactions worksheet, students answer 20 multiple choice questions about chemical equations, chemical formulas, oxidation and reduction reactions and acids, bases and salts.
Curated OER
Plant Nutrition and Nutrients
Students observe seeds growth and examine the different parts of the seedling. In this biology lesson, students compare the growth of seeds planted in soil and in hydroponics. They record their observations in their science journal and...
Curated OER
Worm Compost & Vermicomposting
Students explore vermicomposting, the species of worms needed and the proper climate for it. In this composting instructional activity students make their own worm compost bin.
Curated OER
The Basics of Biochemistry
Science teachers can introduce basic chemical concepts to biology students.
Curated OER
Science Lesson Plans
Students conduct a variety of exploration activities on various science topics. In this science lesson plan outline, students design a cell encapsulation to hold a specific type of medicine. They give examples of physical and chemical...
Curated OER
How Much Energy Does the Earth Receive from the Sun?
Students explore energy. In this science lesson, students conduct an experiment in which they measure how much energy is produced by the sun. Students build a calorimeter to measure the amount of energy.
Curated OER
Chromatography
Learners research types of chromatography and complete chromatography experiments.
Curated OER
Salinity in Mill Creek
Fifth graders use water samples collected at three different locations of Utah's Mill Creek to test salinity of water, hypothesize about salinity levels at each location, record results, and discuss their findings with classmates. ...
Curated OER
Through Thick or Thin!!!
Students differentiate between high and low viscosity. Students collect, graph, and interpret data, then quantitatively measure polymer solids. Students experiment with a household example of an emulsion polymer.
Curated OER
Phases of Matter
Eighth graders practice using correct vocabulary and apply content knowledge related to phases of matter when answering questions about situations or observations from everyday life.