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Gumdrop Crystal Models
A great way to learn about molecular structures is to make a model. Gumdrops and toothpicks are used to construct crystal models. The models are based on theories of crystal shapes that occur because of positive and or negatively charged...
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Avoiding Carbon Dioxide Emissions from Burning Fossil Fuels
Chemistry and earth science meet in a instructional activity on carbon dioxide emissions. After reading about atmospheric problems caused by using fossil fuels, science stars balance equations for the burning of different alkanes. They...
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WS 4.6 Types of Reactions
In this chemical reactions worksheet, students are given the reactants of equations and must complete each equation by writing the products and balancing the equation. They must also identify the type of reaction.
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A Test-Tube Study of Redox Reactions
Six different redox reactions are set up in the lab by your chemistry class. Inquisitors methodically test each one and eventually order them according to oxidizing strength. This is a neat way to have the learners perform more than one...
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Percent Yield
In this percent yield activity, high schoolers solve 4 problems. They find the percent yield given the chemical reaction, the mass of the reactants and the mass of the products. Given the percent yield students find the liters of a...
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Oxidation of Ethanol to Ethanal
Here is a laboratory exercise where chemistry masters carry out an oxidation reaction to change ethanol into ethanal. They compare the original alcohol to the resulting aldehyde by forming a precipitate. Definitely aimed at learners...
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Cellular Respiration: Other Metabolites and Control of Respiration
The feedback mechanisms of metabolism of a variety of substances in the human body. Carbohydrates, lipids, amino acids, and their derivatives are explained. The biochemistry required to explain the metabolic balance and feedback controls...
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Stoichiometry Homework
In this stoichiometry homework learning exercise, students balance each chemical equation. Students calculate how many grams, moles, and molecules are present in each problem provided.
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Resources - A Reading Guide
In this resources worksheet, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This worksheet has 56 short answer questions.
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Stoichiometry
In this stoichiometry activity, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
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Laboratory - Density of a Material
Students conduct a lab (with water, guar gum and sodium borate) and carefully record physical and chemical properties and changes throughout the session, and experiment with weighing by difference.
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Iron Filings
Pupils conduct an experiment in which a solution of copper(II) sulfate is added to iron filings. They write and balance the equation for the reaction that occurs and calculate the amount of iron that reacted and the percent yield of...
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Types of Reactions
In this reactions worksheet, students describe combustion as either exothermal or endothermal. Students balance reactions and label the types of reactions. This worksheet has 1 multiple choice, 2 short answer, and 10 problem solving...
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Chemical Equilibria
In this equilibria worksheet, students are given detailed information about LeChatelier's principle and how to solve equilibrium problems. They then calculate concentrations of compounds in solutions.
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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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The Big Balancing Act
High schoolers describe chemical changes occurring in hydrothermal circulation systems. They make inferences about the significance of these systems to ocean chemical balance compared to terrestrial runoff.
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Chemical Formulas Unit-Day 4
The purpose of this activity involves reviewing nomenclature and molecular
formulas as well as introducing naming molecular compounds and identifying acids. The students investigate and understand how conservation of energy
and matter is...
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Studying with Chemical Compounds
High schoolers create a foldable to help them remember topics on chemical compounds. In this physical science lesson, students differentiate ionic and covalent compounds. Given certain compounds, they identify whether it's ionic or...
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Earth and Matter
In this matter worksheet, students review the Earth's layers, write balanced equations, and compare the properties of different elements. This worksheet has 29 fill in the blank questions.
Virginia Department of Education
A Crystal Lab
Young chemists grow ionic crystals, metallic crystals, and supersaturated crystals in three different lab experiments. Observing these under a microscope allows pupils to compare the various structures.
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Animal Survival - Water and Waste
Here is a very simple set of slides to complement your lecture about the importance of water for animals. It includes a table of where we gain liquid from, the chemical reaction for aerobic respiration, how we lose water, and how ADH and...
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Determination of Equivalent Weight of an Acid
In this chemistry worksheet, pupils look for the weight of acid and examine its mass using chemical equations and a laboratory procedure.
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Limiting Reagents
In this limiting reagents activity, students determine the limiting reagent, the number of moles produces, number of grams produced and excess reagent. This activity has 3 problems to solve.
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Mass/Mass Problems
In this mass worksheet, students calculate how much of any product will form from a given amount of reactant. This worksheet has 7 problems to solve.