Curated OER
Molecular Structures-Metals
In this chemistry worksheet, students explore the structures of 8 molecules by manipulating them. They compare and contrast their arrangement.
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Chapter 3 Word Search
In this word search worksheet, students locate words related to biology. The word list includes diffusion, receptors, molecule, cytoplasmic, and alters.
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Lewis Structures
In this Lewis structures learning exercise, students are given forty molecules. They must draw the Lewis structures, identify multiple bonds and draw resonance structures.
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Matter and Molecular Motion
Fourth graders define the states of matter and their properties. They demonstrate the air is matter and observe the effect of molecular motion through these activities.
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Molecular Movement in Water Part 1- Diffusion
Students obseve and compare molecular movement within water at various temperatures and of varying salinity. They discuss the movement of water on a larger scale which can affect the movement and concentrations of microbial populations...
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Simulation of Gene Splicing
Students use the exercise as a prelude to a "wet" lab or as a substitute for such a lab. It correlates well with colony transformation labs. This lab is recommended for students what have difficulty with the abstractions that genetic...
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Constructing a Phylogenetic Tree Using DNA Sequence Data
Students analyze DNA sequence differences between organisms in order to establish a reasonable picture of the evolutionary relationships between them. They take the role of molecular biologists and make genetic changes and constructing...
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Formula for Compounds and Naming Compounds
In this naming compounds worksheet, students write the formulas and name the compounds for 4 tables of compounds and 2 sets of compounds. They must determine the compounds formed given two elements and write the simplest formulas.
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Empirical and Molecular Formula Sheet
In this formulas worksheet, students solve eight problems and are required to write the empirical and molecular formulas given percentage of elements or quantities in mass.
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WS 7.1.1 Molecular Compounds
In this molecular compounds worksheet, students write the prefixes for the numbers one through ten. They name thirty compounds given their formulas. They write the formulas for twenty six compounds given their names.
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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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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 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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Organic Chemistry
In this organic chemistry worksheet, students fill in two charts with prefixes used for alkanes and the names and chemical formulas for different alkanes. They draw structural and chemical formulas for given organic compounds.
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Chemistry: Chemical Reaction
In this chemical reactions worksheet, learners name the reactants and products, balance the equation, calculate the molecular weight of the reactants and products, and classify each reaction type. Students fill in a table of solubility...
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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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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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Colligative Properties - Freezing Point Depression
In this freezing point worksheet, students determine the freezing point of solutions at different concentrations. This worksheet has 9 problems to solve.
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Ionic Compounds
For this compounds worksheet, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This worksheet has 4 short answer questions and 7 problems to...
PBS
NOVA Elements
It's like a periodic table variety show! When the plethora of periodic table apps becomes ho-hum, this one may revive interest.
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Gases
In this gases activity, students review the kinetic molecular theory and use the ideal gas law to solve 20 problems.
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Moles, Stoichiometry, and Concentration
In this stoichiometry worksheet, students practice calculating moles, molar mass, and percentage composition of given compounds. This worksheet has 55 problems to solve.
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