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Diffusion
Students 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 instructional activity, 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...
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Exam Review: Chemistry Calculations
In 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 activity, 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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Molecular Mass and Percent Composition Worksheet
For this molecular mass and percent composition worksheet, high schoolers 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...
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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
In 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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Eggshells
Students examine the porosity of eggshells. In this eggshell properties lesson, 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
Students experiment with objects of different densities. In this density lesson plan, students examine same-sized objects with different weights, then look at a teacher explanation of density. Students make wave bottles and a density...
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Diffusion of Molecules
Learners conduct a series of experiments to observe factors that impact molecular movement. In this molecular chemistry instructional activity, students drop food coloring in water with different properties (hot, with ice, with alcohol)...
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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 worksheet, 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
In 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. For 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...
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Moles Homework-Honors Chemistry
In this moles worksheet, high schoolers are given 9 problems where they find the number of grams, molecules, moles, or ions given one of these measurements and the chemical compound. Students calculate the number of atoms in a gallon of...
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More Fun with Lewis Structures
In this Lewis structures worksheet, students are given 6 compounds and they write the Lewis structure for each. They identify compounds with resonance structures and include the resonance structures if present.
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Polarity Homework
In this polarity worksheet, students are given 5 compounds and they draw the Lewis structure for each, they identify the bond angels, they write the molecular shape and they determine the polarity of the molecules. Honors students...
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More Fun with Lewis Structures
In this compounds worksheet, students draw the Lewis structures for the given compounds, being sure to show the bond angles and molecular shapes. This worksheet has 6 problems to solve.