Curated OER
Neutralization Reactions
In this neutralization reaction worksheet, high schoolers read about how neutralization reactions are double replacement reactions in water. They complete five questions about neutralization reactions including completing five reactions...
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Endothermic and Exothermic Lab
In this endothermic and exothermic reactions worksheet, students experiment with water and a salt of choice to determine if heat is absorbed or released in the reaction. Students take the temperature of their solution over a 2 minute...
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Freshwater/Saltwater "Eggs-Periment"
Learners explore water properties by conducting a class experiment. In this buoyancy lesson, students utilize freshwater, saltwater, plastic cups, hard boiled eggs and food coloring to experiment with the floating capabilities of salt...
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Plasmolysis in Elodea Plant Cells
Students microscopically observe various subcellular components. They determine the effects of different salt solutions on Elodea plant cells. They detect the presence of chloroplasts, cell walls, and cell membranes of Elodea.
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The Frigid Gourmet
Young scholars make a " science surprise" or ice cream in the lab. In this melting point depression lesson plan, students use various substances with ice to determine the effects on the melting point of ice and the ability to make ice...
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Physical and Chemical Change of Six White Substances
Students investigate chemical and physical changes in reactions. In this chemical and physical change lesson plan, students mix 6 different white substances with water, vinegar and iodine. They make hypotheses about each substance and...
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My Type of Mixture
In this mixture worksheet, students fill two test tubes with water and add starch to one and salt to the other. They stir the solutions and observe their appearance. They answer four questions about their mixtures and determine if they...
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Using Models to Communicate
For this models worksheet, students read about how models are used to communicate events or principles in science. They are given an example and answer 4 questions about models. They discuss accuracy and inaccuracy of models. They create...
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Periodic Table of the Elements: Transition Metals
Students conduct an exothermic reaction to investigate the properties of a transition metal. In this periodic table lesson, students identify the transition elements and discuss their properties after watching a video. They conduct an...
Discovery Science Center
Kindergarten Observing, Comparing and Contrasting
Although this is a science lesson, it can be adapted to help meet Common Core standards in math as well. Starting scientists describe physical properties of objects and explore three forms of water. To address the Common Core, they can...
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Pancakes, Pancakes!- Measuring
Students estimate measurements in real world problem situations. For this estimation lesson, students read the book Pancakes, Pancakes and estimate how many cups equal a pint, quart, and gallon. Students test their estimations by...
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An Oceanographic Proxy
Students conduct experiments on a sample of sea water. In this oceanography lesson, students inquire how conductivity is used to approximate the salinity ocean water. Students construct their own conductivity meters and test solutions...
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Understanding pH, Alkalinity, and Hardness
Students comprehend the interactions of pH, alkalinity, hardness, and carbon dioxide in aquaculture water. They read the SRAC fact sheet number 464 "Interactions of pH, Carbon Dioxide, Alkalintiy and Hardness in Fish Ponds." Students...
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How Low Can You Go?
Fourth graders experience measuring temperatures after determining, by touch, whether water is hot or cold. They use a thermometers to measure the temperature of water in three cups of water. Using a vertical number line, they write the...
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A Special Present
Students conduct an experiment to create a special gift. In this special gift activity, students make a gift for someone using water, Epsom salt, essential oil and food coloring. Students can create a card to go with their present.
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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...
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Making Mayonnaise - An Edible Emulsion
Young scholars find a way to mix oil and water. In this emulsion lesson, students attempt to mix oil and water, then add egg yolk to the mixture to serve as an emulsifier and observe the results.
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Diaper Challenge
Students compare the absorbency of a regular diaper and a swim diaper in fresh water and salt water. In this absorbency lesson plan, students mass the diapers and place them in water and determine the change in mass. They do the same...
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Making Hail
Fourth graders investigate the different types of precipitation and conduct a hail experiment. They identify the types of precipitation during a slideshow, and define key vocabulary terms. Next, in small groups they follow the...
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Mathematics Within: Algebraic Patterns
Students comprehend that ratios and fractions are interchangeable. They compare ratios using common denominators, cross multiplication, and intuition. Students find equivalent fractions. They comprehend that equivalent ratios do not...
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Temperature Change and the States of Matter
Tenth graders observe the processes of evaporation, condensation, melting, freezing, boiling, and sublimation. They do a quantitative investigation of the freezing of water, to explore explanations that involve particles.
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Chemical Changes
Fourth graders examine and identify chemical and physical changes in a variety of substances. They observe a vinegar and baking soda demonstration, and a water, laundry detergent, and Epsom salt mixture demonstration. They discuss the...
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Soil pH Effect on Germination of Specific Weeds
Students collect weed seeds from three varieties of weeds (knapweed, thistle, or toadflax, for example they may choose others in addition to the spotted knapweed.) They sterilize soil for thirty containers, plant seeds in sterile soil,...
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Chemistry is pHun
Students investigate the pH of solutions and they learn how to use different types of indicators. In this pH lesson plan, students test various solutions with pH paper and determine if they are acidic, basic or neutral. They also test...