In this elements worksheet, students use the relative atomic masses of given elements to calculate the relative formula mass. Students calculate the mass of compounds from given number of moles and determine the number of moles from a...

In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...

Students divide substances into categories: made of chemicals/not made of chemicals, synthetic/naturally occurring, and toxic/nontoxic. They observe a mystery chemical and determine what precautions they need to take when handling an...

In this polymer worksheet, students use an on line site to complete sentences about plastics, their chemical make-up, their uses, their history and information about recycling plastics.

Young scholars investigate moles and Avogadro's hypothesis. In this moles lesson plan, students complete a worksheet by finding the volume of 1 mole of each substance given its density and they find the number of molecules, the formula,...

In this chemical reaction worksheet, young scholars investigate the results of mixing calcium chloride with sodium bicarbonate. They observe the chemical and physical changes that occur, identify the properties of the chemical before and...

Students are able to use inquiry to answer the essential questions. They are able to predict and test configurations of a battery, bulb, and wire that make the complete circuit. Students craft a group and individual theory of a...

For this nuclear decay worksheet, students read about alpha and beta decay and the isotopes formed by the reactions. Students solve nine problems including writing the equations for the decay of radioactive isotopes, identifying the...

Students explore the components of matter. They discover what matter is, the states of matter, and how heat and cold cause it to change states in an online format. In addition, they complete internet-based lessons, activities, and quizzes.

In this stoichiometry instructional activity, learners review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This instructional activity has 18 word problems.

In this chemistry of food learning exercise, students complete 20 various types of questions related to food and nutrition. First, they complete a crossword puzzle with vocabulary terms. Then, students use the figure shown to write the...

In this enthalpy instructional activity, students calculate the combustion for propane and find the enthalpy of the reaction. They discuss entropy and free energy.

In this early atomic theory worksheet, students answer 4 questions about the Law of Definite Proportions, the Law of Conservation of Mass and Dalton's Laws. Students are given 5 statements to determine if each true statement supports or...

In this compounds activity, students use a flowchart to determine what a compound is made of and how to name the compound. Students complete 6 matching and 60 fill in the blank questions.

In this naming compounds activity, students are given a chart to determine if the compound they are naming is ionic, covalent or polyatomic. Students practice identifying and naming ionic, covalent and polyatomic compounds. They define...

In this chemistry calculations review worksheet, learners solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.

Students investigate common household items and classify them into types of matter. In this matter lesson, students group given items into categories based on their characteristics. They also complete a concept map about matter and...

In this compounds activity, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This activity has 4 short answer questions and 7 problems to solve.

In this radioactivity quiz worksheet, students complete a 10 question true/false quiz. Quiz is also available as a student handout and Powerpoint presentation. 

Communicate chemistry clearly with a concise guide to writing chemical equations. It covers everything from the parts of a chemical equation to the different types of reactions that budding chemists may encounter.

Radiation has numerous real-world applications, some of which are relatively safe while others can be extremely hazardous. In this nuclear chemistry project, young scientists choose a practical use of nuclear reactions to...

Finally, an electronegativity resource your class will be strangely drawn to! Skilled scientists manipulate interactive puzzles to gain an understanding of common electronegativity values. The great thing? You can conduct the lesson...

Students demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.

Eighth graders identify the types of bonds elements form. In this chemistry lesson, 8th graders represent valence electrons with dot structures. They draw and label different atoms.