Students 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 initial...

In this chemistry worksheet, learners find the formula weight for each of the substances listed on the sheet. Then they find the percentage composition as indicated.

For this percent composition worksheet, learners find the percentages of atoms in compounds and they determine empirical formulas given the percent of each atom in a compound.

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.

In this composition of soil worksheet, students study the make-up of soil by identifying the amount of air in the soil, the amount of water in the soil, the size of the mineral grains in the soil and the proportion of humus in the soil....

Students examine soil. In this soil composition lesson students participate in soil sedimentation and filtration activities. The students discuss what non-living and living things are in soil and why it is so important.

In this chemical compounds worksheet, learners calculate the molar masses and the percentage composition for the given compounds. This worksheet has 8 problems to solve.

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...

Try not to blind anyone with science by following the safety rules. The lesson encourages scholars to form an ionic compound from magnesium and chlorine. Then they determine the empirical formula and determine the mole ratio and percent...

Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...

In this reactions worksheet, students complete the given reactions by writing the products. Students do examples of composition, decomposition, single replacement, double replacement, and combustion reactions. This worksheet has 54...

In this percent composition worksheet, high schoolers calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition,...

In this molecular mass and percent composition worksheet, students complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12 molecules...

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.

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.

Students investigate the structure of the atom and its composition. In this atom structure lesson, students find the area of cut out circles and drop pens into the circles. They count the number of marks in the circles and relate their...

Through a station rotation activity, scientists complete 9 chemistry activities to complete this interactive worksheet. Concepts include molar masses, percent composition, accuracy vs. precision, mass of an object, scientific notation,...

For this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.

In this chemistry worksheet, students determine the formulas of compounds with the indicated compositions. There are six compositions to solve on the sheet.

It's time to roll up those sleeves and get a little dirty in the second lesson of this series on the science of food. Investigate where plants and animals get the minerals they need to live in this two-part exploration of soil. First,...

Beyond the phases of the moon, this comprehensive lesson plan covers geologic history and geology. Amateur astronauts examine photos of the lunar landscape, experiment with the creation of craters, and delve into information about the...

Somehow 55 chemistry problems have been squished onto a single page! Don't assume that it is a mess, however. High school chemists write the products for different types of reactions. Then they identify the type of reaction in addition...

High schoolers read about the Spitzer Space Telescope and the technology used to learn about planet composition. They calculate the radius of a planet, the size of a planet, the average density of a planet and the likely core composition...

Plenty of time was invested in creating this detailed presentation. The first slide alone includes several steps that support your explanation of percent composition, a precursor to understanding how to write empirical and molecular...