Students demonstrate a basic understanding of the molecular basis of heredity. They discuss the chemical and structural properties of DNA and explain how genetic information is encoded in genes, replicated, transcribed and translated...

Ninth graders explore the molecular structure of matter and how it can affect the physical characteristics of a specific material. They demonstrate that isotopes of an element have different masses. Students demonstrate that the rates of...

In this chemistry worksheet, students locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.

In this periodic table I quiz, students select the best answer to the given questions. Students apply their knowledge of the periodic table and the arrangement to correctly answer the questions presented.

In this theromochemistry instructional activity, students review the kinetic theory of gases and the three phases of a substance. Students calculate how much heat is required to raise a certain mass of solution a certain number of...

For this gases worksheet, students use the concepts of Graham's Law of diffusion to determine the velocity of gases and molecules. They describe kinetic energy and how it relates to the mass and velocity of objects.

Young scientists get to the heart of the matter as they complete this learning exercise on the properties of solids, liquids, and gases.

Learners examine the three states of matter. They identify the segments of heating and cooling curves. Students analyze data and create a graph to determine the freezing and melting temperature of water.

Students identify how to relate the position of an element in the periodic table to its atomic number and atomic mass. They identify how to use the periodic table to identify metals, semimetals, nonmetals, and halogens, and also,...

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

In this extracting oxygen from moon rocks worksheet, learners read about the need for oxygen for lunar colonists. Students solve 2 problems about the lunar mineral ilmenite which contains oxygen and other elements. They find the molar...

In this periodic table worksheet, students complete a chart with the appropriate element symbol, the atomic mass and the atomic number. They classify elements by their groups and as metals, nonmetals or semi-metals. They also answer two...

High schoolers 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 chemistry worksheet, students determine the number of water molecules is a given volume of water. Students determine the empirical formula for given compounds from the percentage mass of elements. This worksheet has 20 problems...

Students complete a worksheet on solutes in chemistry. They are given an equation in order to find the total mass solution, molarity, and molality.

In this chemistry worksheet, students complete 15 short answer questions and problems on empirical and molecular formula, naming and writing chemical formula of compounds.

In this chemical reactions worksheet, students review the solubility rules for common salts. Students determine the molecular equation, ionic equation, and net ionic equation for specific reactions. Students calculate moles and volume...

Learners explore what causes differences in density. They observe an models depecting atoms, compounds, and molecules. Students determine if there is air in between atomic bonds. They study the structure and spacing of molecular bonds.

Students explore and define methane hydrates and describe ways that it can impact their own lives.  In this methane hydrate lesson students create a molecular model and research methane hydrate. 

In this chemistry review worksheet, students answer a variety of questions about matter, elements, the kinetic theory, chemical and physical properties and the distillation process. They complete a concept map about matter.

Learners explore chemical solutions. In this chemistry lesson plan, students investigate the relationship between three related experiments about solutions. Learners determine variables that affect the chemical concentration of each...

Young scholars predict the required stress to break a candy bar. They examine how a various substances break and infer a cause for the type of break. Students relate the candy bar experiment to the importance of nanotech laboratory work...

Young scholars convert mole to mass to particles and vice versa. In this chemistry lesson, students discuss the importance of Avogadro's number. They apply what they have learned in a team competition.

Ninth graders explore the abstract idea of the atom and explain the differences and similarities between solids, liquids, and gases. They understand the molecular differences between solids, liquids, and gases.