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Chemical Equations
In this chemical equations worksheet, students write the symbols for the products and reactants and then write balanced symbol equations for the 20 chemical reactions given.
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Rates of Reaction: Indigestion Remedies
In this reactions worksheet, learners compare the reaction of two different indigestion tablets with dilute hydrochloric acid and plot the results of loss of mass against time. Then students complete 5 short answer questions.
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The Energy Debate - Stoichiometry
Students determine crude oil can be separated into useful fractions by a process of fractional distillation. They write a balanced equation for the reaction between a hydrocarbon and oxygen.
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Limestone and Its Uses
Everything you ever wanted to know about limestone fills these 15 slides. Its properties, uses, and reactions with other materials are all explained. Most likely, this would be useful in a high school geology class as an example of...
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Earth's Atmosphere
This simple presentation sports a timeline of the last 400 million years. Click by click, the condition and developments in Earth's atmosphere appear along the timeline. This is a nifty PowerPoint that you could use as you teach about...
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Baking Soda and Vinegar Volcano
Students construct a volcano using baking soda and vinegar. In this earth science lesson, students explain the reaction that takes place when these two chemicals combine together.
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Chemical Changes
Learners explore chemical changes. in this activity about the properties of chemical changes, students do experiments, observe, and record results. Learners complete four experiments in order to observe chemical changes. In each...
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The Energy Debate - Global Warming
Young scholars describe what global warming is, what causes global warming and the impact to our world. They study the threat of global warming and its relationship to the use of fossil fuels.
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Transition Metal Ions and Colour
In this transition metal instructional activity, learners are given equations of transition metals and their ions. Each equation shows the changes in colors of the ions when heat, salt or other substances are added to the metals.
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Activity #4 What Do Equations Mean?
Students practice with writing and balancing simple chemcial equations. they comprehend that chemical equations are a method of using a set of univeral symbols to represent what happens experimentally in chemical reactions. Pupils...
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Chemical Reactions
In this writing chemical reactions activity, students solve 15 problems on their own paper using a 3 step-problem solving approach. In addition, students write six balanced equations and classify each reaction. They also write equations...
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First Land Plants Found on Earth
In this first land plants worksheet, students read about the major events that allowed plants to evolve on Earth. Students read about the primary and secondary atmospheres, the formation of the ozone layer to protect from UV light and...
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Activit #2 Matter: Is It Conserved?
Middle schoolers support the law of conservation of matter with evidence. They discuss the changes observed from the burning of the candle, and the differences in mass which are observed when the same reaction is carried out in an open...
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Energy Changes in Reactions
In this chemical bonds worksheet, students determine how much energy is needed to break bonds. Students classify reactions as exothermic or endothermic and identify a reaction as reversible. This worksheet has 4 problems to solve.
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D-block Ions as Catalysts
In this catalysts worksheet, students use transition metals ions to catalyze oxidation reactions of iodide ions. Students measure the rate of the reactions by measuring free iodine as a product.
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Investigation: Chemical Models
Science teams make models of four different hydrocarbon compounds that we commonly use for fuel. Then they demonstrate chemical reactions that result when energy is produced. This can be used as an enrichment when your class is studying...
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Gas Laws
In this gas activity, students calculate molar mass and molecular weight of a given mass of gas at a specific temperature and pressure. Students calculate partial pressure of given gases. This activity has 6 word problems.
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Titration Calculations
For this titration worksheet, students calculate the moles of acids in a given amount of solution. Students balance equations and calculate the concentrations of given acids. This worksheet has 10 problems to solve.
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Activity #18 Decompostion of Baking Soda
Students 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 splint...
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Moles, Molarity, Grams, and Formula Units
In this atoms worksheet, students calculate the number of moles, molarity, grams, or formula units for 20 different problems.
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Types of Chemical Reactions
In this chemical reactions learning exercise, students fill in 12 blanks, determine if 5 statements are true or false, match 4 types of reactions with their description and solve 2 problems related to balancing equations and chemical...
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How Can we Measure the Rate of a Chemical Reaction?
High schoolers examine different types of chemical reactions. They explore how alcohol molecules affect the reaction rates. They answer discussion questions to end the lesson.
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Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
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Making Ammonia - The Haber Process
In this fertilizer worksheet, students read background information about how farmers began using nitrogen compounds as fertilizer and how Fritz Haber came up with an efficient process. Students complete 10 short answer questions based on...