American Chemical Society
Chlorofluorocarbons and Ozone Depletion
The best of intentions can have negative results. Learners explore the history of the use of chlorofluorocarbons and their effects on the ozone layer. They discover how widely the compound was used because of its unique chemical...
Concord Consortium
Comparing Potential Energy of a Bond
Have you reached your breaking point in looking for great resources that illustrate bond energy? Demonstrate the potential energy changes that occur when polar and non-polar bonds are broken with a stimulating simulation. Pupils pull on...
Beyond Benign
The Story of Cosmetics Video Assessment
Does your shampoo contain carcinogens? Scholars learn how cosmetic companies create and market their products, many of which contain toxic chemicals. They examine the bias and consumer responsibilities in the industry.
Curated OER
Chemical or Physical Change?
Eighth graders participate in several science activities to note chemical or physical changes after discussion. They understand that all matter has definite structure which determines physical and chemical properties.
Curated OER
Matter
Eighth graders explore chemical reactions and their products. They define a chemical reaction and describe the characteristics of a chemical reaction. Students classify chemical reactions.
Curated OER
Chemistry II Enthalpy Worksheet
In this enthalpy equation worksheet, students are given 3 examples of chemical reactions. Students then respond to 4 practice problems and 1 challenge problem in regard to heat and energy change and release.
Curated OER
The Changing Earth
Students explore the Earth's crust. In this earth science lesson, students participate in 2 activities that demonstrate physical and chemical weathering. Students also play Jeopardy with topics including volcanoes, earthquakes,...
Curated OER
The Chemistry Connection
In this proteins activity, students read about the chemical compound, protein. Students determine where proteins are found in the body and how enzymes help the body react. Then students complete 3 short answer questions.
Curated OER
Baggie Science
Students observe and describe a chemical reaction. In this chemistry lesson, students record observations of the materials they will be using, then follow a written procedure to perform the experiment in a baggie and record their...
Curated OER
Solution Chemistry Investigation
Students engage in a lesson that is concerned with the concepts related to solution chemistry. They calculate the molar mass of various chemical compounds. Then students predict the anion ratio for ionic compounds. Students also write...
Curated OER
Activity #18 Decompostion of Baking Soda
Middle schoolers observe what occurs as baking soda is heated. They explain why a chemical rather than a physical change occurred during the procedure. Pupils identify the tpe of reaction (decomposition). Students conduct a glowing...
Curated OER
Describing the Physical World
In this physical world worksheet, learners review concepts relating to the chemical and physical properties of matter, density of matter, and if matter is a solid, liquid, or gas. This worksheet has 9 terms in a word puzzle, 4 true or...
Curated OER
Yeast Fermentation
Students measure the temperature change involved in the production of carbon dioxide by yeast. They also identify products and reactants in a chemical and balance the equation.
Curated OER
Balancing Act
In this chemical equation worksheet, students learn about atoms, elements and how to balance chemical equations. They walk through a few problems step by step, and then students attempt to complete some on their own. In total, there are...
Curated OER
Ice Energy
Students learn how science affects foods. In this chemical reactions lesson, students make two kinds of ice cream. They evaluate the different changes based on the ingredients.
Curated OER
Model Mania
Eighth graders study the conservation of matter. In this chemical reaction lesson students examine what happens during a chemical reaction and complete a lab activity.
Curated OER
Speed me up, Scotty!
Students describe and define chemical reactions. They design a laboratory experiment, collect data and analyze data.
Curated OER
Getting Animated
Students create a simple animation illustrating a chemical element in the periodic table. In this chemistry lesson plan, students create a new way to describe elements by using them in an artistic form.
Curated OER
Endothermic or Exothermic Reactions
In this chemical reaction activity, students determine if given reactions are endothermic or exothermic reactions. Students determine the energy released or consumed when chemical reactions occur. This activity has 5 problems to solve.
Curated OER
Balancing Equations
Learners work in pairs to complete a worksheet that asks them to balance several chemical equations. They partner with other students to correct the equations and then follow online instructions to create a table in Word.
Curated OER
Balancing Chemical Reactions
In this balancing chemical reactions worksheet, learners answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of molecules and they...
Curated OER
Balancing Equations
In this chemical equations activity, students review the steps to balancing equations and then complete a graphic organizer by balancing 10 chemical reactions.
Curated OER
Spin the Saltine!
Students investigate chemical energy. For this physical science lesson, students blow on saltine crackers to demonstrate how chemical energy in food can be converted to motion. Students compare the saltine cracker experiment to how...
Curated OER
Making Energy "trails"
Students explore ten different stations that demonstrate either chemical, kinetic, or mechanical energy. They examine the way energy is transferred during each station's hands-on activity. Stations include vinegar and baking soda,...
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