Curated OER
Molar Mass and Percentage Composition
In this chemical compounds activity, high schoolers calculate the molar masses and the percentage composition for the given compounds. This activity has 8 problems to solve.
Curated OER
Percentage Composition
In this chemistry worksheet, students find the formula weight for each of the substances listed on the sheet. Then they find the percentage composition as indicated.
Curated OER
Lab-Percent of Composition of KClO3
High schoolers find the percent composition of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a sample of potassium chlorate to decompose it into potassium chloride and oxygen. They weight their...
Curated OER
Lab: Percent of Composition of KClO3
Students find the percent of oxygen in potassium chlorate. In this percent composition lesson plan, students heat a solution of potassium chlorate using a catalyst, manganese dioxide, to decompose the potassium chlorate and release...
Curated OER
Atomic Mass, Formula Mass and Percentage Composition Calculations
In this elements worksheet, students calculate the relative formula mass and percentage composition calculations for given elements. This worksheet has 16 problems to solve.
Curated OER
Percentage Composition
In this chemical compounds learning exercise, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This learning exercise has 10 problems to solve.
Curated OER
Using Percentage in Compound Composition
In this percent composition worksheet, students find the percent of each type of atom in a compound, they find the total mass of a sample and they determine the mass of particular atoms in a compound.
Curated OER
WS 5.5 Percent Composition
In this percent composition worksheet, students find the percentages of atoms in compounds and they determine empirical formulas given the percent of each atom in a compound.
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Curated OER
BMI: Body Mass Indicator
Students discover their body weight and composition. For this health lesson, students use a body mass indicator to identify their percentage of body fat. Students develop an exercise plan and record progress throughout a month.
Curated OER
Ionic Compounds
In 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...
Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds worksheet, students determine the empirical and molecular formulas for given compounds. This worksheet has 10 problems to solve.
Curated OER
Principles of Design
How to use the many design elements such as color harmony, percentage of size combinations, and lines of design are described. Composition of an attractive arrangement with a focal point is addressed. Also included, many descriptions. ...
Curated OER
Determining Percent Composition
In this percent composition worksheet, students calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition, finding...
Curated OER
WS 4.5 Percent Composition and Empirical Formula
In this compounds worksheet, students determine the empirical formulas and percent compositions of compounds given chemical formulas, mass of elements in compounds and percentages of elements in compounds.
Curated OER
Formulas from Masses
In this mass worksheet, learners determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
Curated OER
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.
Curated OER
Composition of Ocean Water
Students experiment to determine the composition of ocean water. In this ocean water composition lesson, students color in a grid that shows the percentage of each of the components of ocean water which include chloride, sodium, sulfate,...
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What Kind of Garden Would Grow in Our Schoolyard?
Students perform soil tests for pH, nitrogen, phosphorus, potassium, composition and water percolation rate and assess the conditions in the schoolyard.
Curated OER
The Composition of the Atmosphere
For this atmosphere worksheet, students identify the major components of the earth's atmosphere and write the percentage of each. They also fill in a pie graph of the percent composition of the atmosphere and answer questions about air.
Santa Monica College
The Composition of Potassium Chlorate
The third activity in a series of 11 begins by using thermal decomposition of potassium chlorate to determine the mass percent of oxygen. Then a second activity allows scholars to demonstrate that the resulting residue is from a...
Curated OER
The Composition of the Atmosphere
For this atmosphere worksheet, students list the gases in the atmosphere and their percent composition. They also fill in a pie chart with the gases and their percentages and answer questions about the atmosphere.
Curated OER
A Recipe for Air
Young scholars create a pie graph using M&Ms to demonstrate the composition of air. They label each section of the graph, and list the fractions from largest to smallest.
Curated OER
Gases In The Atmosphere
In this science worksheet, learners look for the amounts of air composition in the atmosphere by filling in the three different data charts.