Curated OER
To Smell or Not to Smell, That is the Ester
Students explain the basic concepts of polymerization. Students participate in a lab to create a crude preparation of carboxyl esterase and test its effectiveness in reducing the residual monomer in an emulsion such as paint.
Curated OER
Types of Reactions (Demonstration)
Learners visually observe chemical changes that occur when various solutions are combined. Teacher explains chemical reactions that are happening.
Curated OER
Chemical Changes
Sixth graders explore chemical and physical changes. In this lesson about chemical changes, 6th graders observe various items and changes that occur at certain times. Students determine what change took place and observe the change....
Curated OER
Separation of Mixtures and Compounds For K Through 12
Students explore mixtures and compounds. In this lesson, students do an experiment to distinguish between mixtures and compounds. Students complete ten different phases of the experiment testing many different substances. Students will...
Curated OER
Acid Rain Simulation
Young scholars collect data on causes of Acid Rain. In this science lesson, students simulate the effects that produce acid rain, collect and analyze data from their samples. They relate science and statistics in this lesson.
Curated OER
Exothermic Reactions
Students experiment, observe, measure, and analyze what occurs during an exothermic reaction. They safely design an experiment, control variables, and properly dispose of materials.
Curated OER
Light & Crystals
Students observe a demonstration of light refraction. They experiment with disappearing crystals to further study light refraction.
Curated OER
Root, Root, Root for the Nutrients
Pupils observe the growth of a seed, predict what will happen when seeds are planted without soil, and conduct an experiment using a hydroponics system.
Curated OER
Reaction Rates-Catalysis, Concentration, Surface Area, and Temperature
Students determine the meanings of concentration, surface area, and catalysis through an experiment. In this lesson about chemical reactions, students participate in an experiment. Students complete three different parts of the...
Curated OER
Combining Elements to Form a Compound
Students explore elements and compounds. For this lesson about elements and compounds, students will do an experiment. Students work in groups of 2-3 as they complete two separate activities. Students understand how two elements combine...
Curated OER
Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
Curated OER
Balancing Symbolic Equations
In this chemistry worksheet, students balance the listed equations by changing the coefficients. They identify and explain why iron bromide can react with water to produce iron oxide and hydrogen bromide.
Curated OER
Stoichiometry
In this chemistry worksheet, learners solve various problems on stoichiometry by following what each statement describes. They identify how many moles and grams of carbon dioxide will be produced and what the theoretical yield in moles...
Curated OER
Chemical Changes
Students compare types of chemical change. In this chemical reaction lesson, students use a variety of household items to investigate different types of chemical change. Students will engage in a discussion about the dangers of chemicals...
Curated OER
Ideal Gas Law Worksheet
In this ideal gas law worksheet, students complete 8 problem solving questions to find pressure, volume and temperature of given gases.
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Energy Worksheet
In this energy worksheet, students calculate the enthalpy of chemical reactions to answer 9 problems. They determine whether the reaction is exothermic or endothermic.
Curated OER
Confectionary Bureau of Investigations: Case of the Cookie Mystery
High schoolers perform tests on different chemicals to determine their chemical properties. For this forensic science lesson, students identify an unknown sample using its physical and chemical properties. They solve a fictional crime...
Curated OER
Secret Agents of Dissolved Oxygen
Students determine the changes in different types of water in a sealed container over time. They investigate how to measure dissolved oxygen, temperature, and carbon dioxide with calculator or computer probe-ware. Students determine the...
Curated OER
Activity #5 Soils-Permeability and Impurity Removal
Middle schoolers predict which types of soils would work best for keeping contaminants contained. They comprehend that in the past, landfills have been one major source of groundwater contamination. Pupils comprehend that placing and...
Curated OER
Temperature and Solubility
Pupils experiment to see how the solubility of a solid changes as water temperature changes. They graph the results of the solubility tests.
Curated OER
Science: Quick Freeze
Students observe an experiment of freezing point depression using club soda. Through observation, they note that the carbon dioxide molecules disrupt the capacity of the water molecules to solidify. Precautions must be taken to assure...
Creative Chemistry
Displacement Reaction of the Halogens
This publisher has put out some terrific laboratory activities for your aspiring chemists! This edition uses displacement reactions to develop a reactivity series for three halogens. Not only do they explore the reactivity of bromine,...
Curated OER
Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
Virginia Department of Education
Matter and Energy: Equations and Formulas
Using simple materials, an informative lesson demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations...
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