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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...
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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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Cool Chemistry- DIY pH Indicator
Young scholars study the differences between an acid and a base. In this pH lesson students view a demonstration then test chemicals in groups.
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Fertilizers, Pesticides and Human Health
Students define several vocabulary terms related to chemicals and toxicology. Students calculate chemical concentrations in water and explain the toxicological principles that govern safety of substances. Students conduct an...
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Solutions and Solubility Review
In this solutions and solubility review worksheet, high schoolers are given main ideas about intermolecular forces, concentrations of solutions, molar solutions, ionic equations, solubility rules, acids and bases and titrations. Students...
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Energy Content of Foods
Learners collect data, organize and analyze the data and compare it to real life scenarios. This assignment requires two class periods.
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Basic Vitamins: Water-Soluble and Fat-Soluble
Students examine vitamins and study their functions and food sources. They research what happens to vitamins when foods are overcooked. They prepare a microwaveable vegetable quiche.
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Chemical Calculations
For this elements worksheet, students use the relative atomic masses of given elements to calculate the relative formula mass. Students calculate the mass of compounds from given number of moles and determine the number of moles from a...
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More Moles Calculations
In this moles worksheet, students determine the number of grams or moles in the given amount of chemical compound. This worksheet has 5 problems to solve.
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Chemistry: Acids and Alkalis
Students identify substances that are acids and alkalis. In this acids and alkalis lesson, students conduct tests to determine if given substances are acids or alkalis. They test substances and explain the different qualities that make...
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Activity #1 Reactions: Chemical or Physical?
Learners distinguish between physical changes and chemical changes. They comprehend that chemical reactions produce new substances with compositions and properites which are different than those of the starting materials. Pupils also...
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Waterproof Paper
Students explore matter through the concept of displacement. They perforrm an inquiry experiment with a glass, paper and a bucket to demonstrate that gases take up space.
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Chromatography Lab
Students discover the components of primary and secondary colors. In this physical science lesson, students create a set up in which water will separate a color into the component colors along a piece of filter paper. Students will...
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Desalination: Creating a Solar Still
To better understand how solar power can aid in creating desalinated drinking water, the class creates a model still. They will build a model of a solar still, make observations, and discuss how the process works. While the idea behind...
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Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
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Air, Air Everywhere! Lesson 2: Acid Rain
Middle school environmentalists record the pH of four different liquids, including two aerosol cleaning products. They liken the products to acid rain and speculate in writing which might affect the human respiratory system. Although...
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Stoichiometry
Balancing equations is a foundational skill for starting chemists. There are a few slides in this PowerPoint with colorful diagrams that help to explain how. Unfortunately, the presentation begins with an unrelated table of contents and...
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Ice Cream
Open this instructional activity by giving a brief history of ice cream. Using liquid nitrogen to lower the temperature, preteens make their own confection. The accompanying activity sheet queries learners about freezing point, the...
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Heat Problems
In this heat worksheet, students calculate the heat energy required to raise the temperature of a liquid based on its specific heat. Students calculate specific heat. This worksheet has 7 problems to solve.
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Limiting Reactant Problems
In this chemical reaction activity, students determine the limiting reactant in the equations given plus determine the amount of moles of product produced. This activity has 6 problems to solve.
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Stoichiometry
For this stoichiometry worksheet, students use balanced equations for chemical reactions to determine the percent yield and the mass of product produced. This worksheet has five problems to solve.
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Energy and Stoichiometry
In this stoichiometry worksheet, students calculate the amount of heat energy released in combustion equations. This worksheet has 4 problems to solve.
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Diffusion Of Molecules
Students investigate molecular movement while studying how to perform a chemistry investigation.
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Specific Heat Capacity of a Metal
Eleventh graders investigate the relationship between heat and energy transfer. They review terms including heat, work, calorimetry and the procedures for an experiment. After assembling the materials for the experiment, they observe...