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Properties of Covalent Compounds
In this compounds worksheet, students compare the differences between and ionic compound and a covalent compound. Students explain bond dissociation energy. This worksheet has 5 short answer questions.
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More Mole Problems
In this mole instructional activity, students will convert grams of specific compounds to moles or convert moles to grams in 5 different word problems.
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The Physical Setting
Tenth graders examine chemical reactions. In this chemistry lesson students choose an investigation that they wish to perform based on their interest.
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Resources - A Reading Guide
In this resources learning exercise, students compare and contrast physical and chemical properties and changes. Students review the periodic table, pattern of atomic numbers and chemical reactivity. This learning exercise has 56 short...
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Super Scientists Code
In this science worksheet, middle schoolers use the key code on the right to unscramble each of the scientists. They also match each of the scientists found to their correct description.
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Earth and Beyond
In this earth and beyond worksheet, students answer short answer questions about the atmosphere, the chemical compounds in Earth's atmosphere. Students visit different websites to conduct research of the discoveries of the scientist who...
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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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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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Compounds and Molecules
In this compounds worksheet, students compare separating elements of a compound and substances in a mixture. Students review melting and boiling point. This worksheet has 1 fill in the blank and 5 short answer questions.
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Biochemistry Assignment
In this biochemistry worksheet, students complete a table by filling in the missing information about different elements. Students draw the Bohr diagram and the Lewis dot diagram for several atoms.
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The Structure of Materials
Students brainstorm what matter is and how they define it. They construct a water molecule with marshmallows and toothpicks. In addition, they watch videos to explore the use the idea of nanoscience to investigate the properties of...
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Oh - The Bonds of Matter!
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.
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Molecular Models Laboratory
Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...
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Balancing Chemical Equations
Ninth graders explain how atoms and molecules form different substances during chemical reactions and how these processes require losing, gaining or sharing electrons. They correctly write chemical formulas and show how a balanced...
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Review Questions-Molecular Geometry and VSEPR Theory
In this molecular geometry and VSEPR worksheet, students find bond angles, hybridization, determine polarity and draw orbital box diagrams of molecules. They determine molecular geometry and bond angles of given molecules and determine...
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Covalent Bonding-Electron Dot Structures
In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.
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Thermal Energy and Heat Unit
Students explain that heat energy in a material consists of the disordered motions of its atoms or molecules. They know and explain that transformations of energy usually transform some energy into the form of heat, which dissipates by...
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Water and Diffusion
In this water and diffusion worksheet, students will explore the characteristics of water and the water molecule. Students will also answer questions about diffusion and the movement of materials due to concentration differences. This...
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The Causes of Differences in Density
Students 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.
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Differentiate Elements, Compounds, and Mixtures
Young scholars examine the differences between elements, compounds and mixtures. Using diagrams, they compare and contrast atoms and molecules and describe various chemical reactions. They distinguish the differences between ionic and...
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Simple Chemical Equations
Eighth graders interpret the chemical symbols and shorthand used for molecules and equations. Through guided practice, 8th graders work to decipher and interpret the symbols for chemical equations. An opportunity for independent...
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Lewis Structure Worksheet
In this chemistry worksheet, students draw the Lewis structures of 11 compounds and polyatomic ions. They calculate the formal charge of each atom.
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Bonding
In this word search worksheet, students locate 12 words related to molecular bonding. Words include molecule, ions, forces, polarity, partial, and particles.
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Chemical Elements
In this elements worksheet, students determine the number of moles and the number of protons, electrons, and neutrons for given atoms or ions. Students calculate the atomic weight of an element. This worksheet has 3 fill in the blank and...
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