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Heat Loss and Gain in Physical Changes and Chemical Reactions
Students compare and contrast exothermic and endothermic reactions. In this chemistry lesson, students perform experiments to determine whether heat was released or absorbed in a reaction. They share their observations in class.
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2007 U.S. National Chemistry Olympiad Part II
Eight multi-step chemistry problems, including analyzing a titration, writing equations, predicting products and limiting reagents, calculating concentrations of ions, and using stoichiometry to solve for unknowns in reactions make up...
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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.
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Speed me up, Scotty!
Students describe and define chemical reactions. They design a laboratory experiment, collect data and analyze data.
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Hot Gas Or Cold Gas Lab
High schoolers engage in a lab project to study chemical reactions. They use guided questions to help facilitate the lab experience and come to the correct outcomes. The lesson does not contain a true understandable objective. The lesson...
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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.
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Baggie Science
Students observe and describe a chemical reaction. For 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...
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Endothermic or Exothermic That Is the Question
Students conduct an experiment to determine what happens to heat energy during a chemical reaction. They examine an endothermic reaction by observing a chemical reactions.
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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.
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Invisible Ink!
Students explore how chemical reactions occur. After a brief discussion of household chemicals and how they work, students prepare a solution of invisible ink. Students create a message with their ink and watch the reaction as their...
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Model Mania
Eighth graders study the conservation of matter. In this chemical reaction instructional activity students examine what happens during a chemical reaction and complete a lab activity.
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Science 9 Unit 3 Worksheet
In this chapters 2 and 3 science guided reading worksheet, students read corresponding material pertaining chemical reactions and the periodic chart answering 40 fill in the blank questions.
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No Creation-No Destruction--All in a Baggie
Students investigate the concepts of conservation of mass and simple chemical reactions. Students complete lab experiments and record all observations as well as conduct experiments on their own to determine which reactions created...
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Chemistry - Science 10
In this chemistry science worksheet, students identify the parts of a chemical reactions. Students name the major particles of the atom. Students apply knowledge about the atom, theories, and models.
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Percent Yield
In this chemical reaction worksheet, students balance the reaction equation, determine the type of reaction, and calculate the percent yield. This worksheet has 7 problems to solve.
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Math, Chemistry, and Food
Students explore the effects of chemical reactions when cooking. Using the Internet, they research enzymes and then mix jello. They examine their results and test enzyme activity by adding pineapple to the jello. Finally, they test...
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Discovering Chemical Changes
Fourth graders predict what happens in a teacher demonstration of a chemical change, before watching it. They observe the demonstration and list what the see on the board before determining which represent chemical change. Working at...
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Evidence of Chemical Change
In this chemical change worksheet, students conduct 4 experiments set up around the room. They follow the instructions at each station for each experiment and list the physical properties and observe any changes at each station. Students...
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Chemistry Lab: Chemical Equilibrium
High schoolers investigate the effects of adding or removing a reactant or a product on chemical equilibrium. In this equilibrium lesson plan, students add or remove ions to solutions to determine the effects on equilibrium. They make...
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Enthalpy and Thermochemistry Problem Set
In this thermochemistry worksheet, students answer questions based on the reaction of charcoal and liquid oxygen. Students write a balanced chemical equation, determine the limiting reagent, calculate the mass of each product, and amount...
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Chapter 7 Worksheet-Types of Equations
In this equations instructional activity, students write equations and classify them as single displacement, double displacement, combustion, combination or decomposition reactions. They also write sample equations of each type of...
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Chemical Changes and Biscuits
Fourth graders investigate chemical changes in everyday life settings, such as cooking. They investigate leavening which is one of the classic chemical changes that people experience. Pupils observe leavening in biscuits with the...
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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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Mad Science Lab: Original Lesson Plan
Middle schoolers conduct a number of simple experiments, collect and categorize the results as either chemical or physical change. The instructional activity uses connections to folklore, science fiction and comic books to assist each...