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What do Chemists See When they Look at Chemicals?
In this naming chemicals worksheet, students indicate the prefixes for naming compounds. They fill in a chart with the chemical names and formulas for alkanes. They draw the structural and molecular formula for propane and they draw and...
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Empirical Formulas
Students investigate empirical formulas for molecules. In this empirical formulas lesson plan, students use paper ions to form formulas and they show these are empirical formulas. They use ions of carbon and hydrogen showing electron...
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Models of Hydrocarbons
Students construct models of hydrocarbon molecules using candy and toothpicks. In this hydrocarbons lesson plan, students are given a sheet with the molecular formulas of hydrocarbons. As a group, they construct each molecule using...
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The World of Molecules
Students investigate molecules through 2 demonstrations and writing formulas for molecules given the oxidation states of the atoms. In this molecules lesson plan, students observe iron filings being separated from salt and pepper using a...
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Diffusion
Learners investigate diffusion using different solutions of chemicals placed in agar dishes. In this diffusion lesson plan, students observe 3 demonstrations of diffusion using perfume, food coloring in water and sugar cubes in water....
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VSEPR Theory: Molecules with Lone Pairs
In this VSEPR theory learning exercise, students build models of molecules using styrofoam balls and pipe cleaners to represent lone pairs. Students complete a chart for 12 molecules with valence electrons, Lewis structures, bond angles,...
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Exam Review: Chemistry Calculations
For this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
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Unit 2 Quantities Review
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
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VSEPR Theory: Predicting the 3-D Shapes of Molecules
In this VSEPR theory worksheet, students draw the Lewis structures for 5 molecules, they build the molecule, sketch the structure, show the bond angles and name the molecule. They also answer a question about the VSEPR theory and what...
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IUPAC Rules for Naming Compounds with Functional Groups
In this naming compounds with functional groups worksheet, students read about using the IUPAC rules for naming these compounds and they draw structures for 3 -carbon, 2-carbon and 4-carbon molecules and give the names for each.
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Organic Chemistry Review
For this organic chemistry review worksheet, students answer 10 questions about different organic molecules. They draw structures, they name structures, they draw polymers, they identify the type of isomer given molecules are and they...
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Molecular Mass and Percent Composition Worksheet
In this molecular mass and percent composition worksheet, students find the molecular mass of 10 compounds to three decimal places. They also find the percent composition of 7 compounds and express their answers to two decimal places.
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Eggshells
Students examine the porosity of eggshells. In this eggshell properties instructional activity, students observe dyed eggs, then peel the eggs to see if the color was able to go through the shell and discuss why eggshells have pores.
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Density - An Introduction
Young scholars experiment with objects of different densities. For this density lesson, students examine same-sized objects with different weights, then look at a teacher explanation of density. Young scholars make wave bottles and a...
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Diffusion of Molecules
Young scholars conduct a series of experiments to observe factors that impact molecular movement. In this molecular chemistry lesson, students drop food coloring in water with different properties (hot, with ice, with alcohol) and...
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Molecules, Moles and Molar Masses
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
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Nomenclature Review
In this nomenclature worksheet, students are given the formulas for ionic compounds, molecular compounds and inorganic acids and they write their names. They also write the formulas given the names of ionic compounds, molecular compounds...
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Naming Molecular Compounds
In this naming molecular compounds instructional activity, students are given 8 formulas of molecular compounds and they write the names for each. Students are then given 8 names of molecular compounds and they write the formula for each.
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Heat Transfer & Phase Changes
In this heat transfer and phase change worksheet, students experiment with ice, salt, and milk to show the relationship between the temperature of a solution and its phase. Students turn milk from a liquid to a solid and graph the...
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Polymers-Greaaaaaat Biiiiiig Molecuuuuuules
Students explore polymer properties. In this lesson about polymers, students perform an experiment to understand polymers, their properties, and that they are formed from small molecules. Students role play pretending they are polymer...
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Physical and Chemical Changes-Notes
In this physical and chemical change worksheet, students watch a movie called the "Brain POP" about property changes and fill in the blanks to complete 8 sentences which are examples of chemical and physical changes.
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Mixtures, Solutions and Matter
For this mixtures, solutions and matter worksheet, students are given 12 terms and they cut out 12 definitions to match with the terms. Topics include types of mixtures, types of matter such as atoms, molecules and compounds and solutions.
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How Big is a Molecule?
Students calculate the size of a molecule. In this molecules and their sizes lesson plan, students find the size of an oleic acid molecule by using a measured amount of drops of oleic acid to find the volume of the sample, the thickness...
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Lab: Determining the Number of Moles and Molecules Used Up In a Burning Candle
Students find moles and molecules used when a candle burns. In this moles and molecules lesson plan, students calculate the initial mass of a candle and the mass of a candle after it burns for 3 minutes. They calculate the mass lost when...