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Moles Worksheet
In this chemistry worksheet, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...
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Atoms and molecules
In this chemistry instructional activity, students find the words that are related to atoms and molecules. The answers are found by clicking the link at the bottom of the page.
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Heat and Temperature Word Search
In this heat and temperature word search, middle schoolers identify terms dealing with types of energy and heat. They locate 30 terms from a provided list. An answer sheet is provided.
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Elements And Atoms
Students investigate the concept of elements and atoms. They conduct research using a variety of resources and use the information in order to create a class presentation. The lesson includes specific dialogue and steps for the teacher...
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How Structure Can Affect Properties Through Phase Changes
Students discuss how changing the structure of atoms and molecules can change the properties of a substance. They brainstorm and review their own examples of phase change with the help of a phase change diagram. Students describe the...
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Comparing Matter
Pupils use Internet to research and discover states of matter and explain how molecules are arranged in each state, complete Comparing Matter Work Sheet, and identify objects around classroom that fit three states of matter definitions.
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How Atoms Work
Young scholars explore the concept of atoms and how they combine to form molecules and compounds. In pairs, they read an article on how atoms work and discuss the main points. They draw atoms and write a paragraph about their elements.
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How Atoms Work
Students analyze the way atoms function and how they combine to form molecules and various compounds. Using a software program, they create a diagram of an atom and write a summary about their functions. They complete a worksheet and...
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Molecular Modeling
Students recognize that the fundamental building block of all organic and inorganic matter is the atom. They construct models of a sugar, fatty acid, amino acid and nucleic acid and describe their roles.
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The Causes of Differences in Density
Students explore how density changes. Students read an article on density. They observe a ball and ring demonstration and discuss the outcome. Students draw models of the demonstration and explain what happened.
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DNA and Individual Differences
Young scholars list differences between DNA-related terms and create a simple DNA circle map. They order terms including human body, organ, tissue, cell, nucleus, etc. from largest to smallest. They discuss differences and similarities...
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Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
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Chemical Formulas
Learners examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D structure...
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Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
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Water String Travels
Students examine the properties of water and conduct experiments demonstrating adhesion. Using a wet string, they observe water moving by adhesion from a beaker full of water to an empty one. They draw cartoons of water molecules talking...
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Three Clouds Activity
Students explore how clouds are produced through three different age-appropriate hands-on experiments.
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Molecules Rock
Fourth graders engage in this interactive instructional activity which illustrates diffusion and osmosis and shows them that molecules of life move dynamically and powerfully. They must analyze their lab orally and in writing.
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Polymers
Young scholars explore online tutorial on polymers. In this chemistry lesson, they create two polymers in the lab and compare their properties. They write a sales letter about their new and improved polymer product.
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Chromatography
Eighth graders observe a compound and separate it into its component parts. In this chromatography lesson students complete and activity that demonstrates how mixtures can be separated into components.
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Diffusion of Molecules
Students study the process for diffusion of molecules. In this chemistry instructional activity, students understand molecular movement, develop skills for a chemistry investigation, develop skills in making hypotheses, develop...
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Moles, Molecules, and Molar Masses
In this molecules activity, learners calculate the mass or volume of a certain number of moles of a compound. There are 3 difficulty levels of this activity, each one has 6 problems to solve.
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Stoichiometry
In this stoichiometry worksheet, students calculate balance the chemical equations and then calculate the moles needed to complete or activate the chemical reaction. Students also calculate the volume or grams needed for each chemical...
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Stoichiometry Homework
In this stoichiometry homework learning exercise, students balance each chemical equation. Students calculate how many grams, moles, and molecules are present in each problem provided.
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Molecules Research Question
In this molecules activity, students research a substance that is made up of molecules with two or more elements. Students name the substance, write a short description of the substance, and draw a picture that illustrates the substance.