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The Cell Membrane
Your students will love this PowerPoint! Great visuals will support understanding of membrane proteins, cell membranes, active transport, and diffusion. There are a lot of details on each page and all are relevant. The presentation could...
Mr. E. Science
Acids, Bases and Solutions
If you are not part of the solution, then you are part of the precipitate. The presentation covers solutions, suspensions, solubility, dissociation, and acid/base reactions. This is the 19th lesson in a series of 26.
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Characteristics of Crystals
In this crystals worksheet, students complete a graphic organizer by filling in the characteristics of the different crystal types including melting/boiling point and electrical conductivity.
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Molecular Structure of Proteins
Learners examine the effects different substances have on proteins. They test different molecules reaction to water. They discover how the amount of water affects the shape of the protein.
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Making "Cents" of Surface Tension
Young scholars explore the unique behaviors of water. They investigate surface tension using water drops on a penny and pennies dropped in a cup.
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Physical and Chemical Properties of Water
Students experiment with water as a component of suspensions, solutions, and heat conduction contributing to the use of food and the health and wellness of human beings.
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The Chemistry of Life
In this chemistry of life worksheet, students will review key terms of plant cell structure and chemistry by reading 13 clues to complete the puzzle. Word bank is included.
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Solubility of Ionic Substances
In this solubility worksheet, students identify substances as either ionic or molecular, define saturated solution and solubility, and calculate concentration of solutions. This worksheet has 7 short answer, 5 fill in the blank, and 27...
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Electrolysis of Water
Ninth graders examine the electrolysis of water by completing an experiment. For this water lesson students will explain how hydrogen can be extracted from water and how energy flows through an electrolysis system.
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The Nature Of Dissolving Processes
Young scholars examine the rule of "like dissolves like." They define and describe solutions and solubility models on molecular liquids, ionic solids, and molecular solids.
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The Formation of Solutions
In this solutions activity, students compare situations that increase or decrease the solubility of a solute. Students describe how surface area, stirring, and temperature can increase the rate of dissolving a solute. This activity has...
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Worksheet-Bonding
In this bonding and electron configuration worksheet, students answer 9 multi-part questions including identifying the differences between bond types, drawing Lewis structures for atoms and identifying types of bonds in molecules.
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Water: The Neutral Substance
In this water worksheet, students read about hydrogen bonds in water and the differences in electronegativity between the oxygen atom and the two hydrogen atoms in water. Students answer four questions about the structure of water and...
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Laboratory: Modeling Molecular Shapes
In this molecules worksheet, students answer post lab questions about types of bonds, factors that determine polarity and molecular geometry. They calculate electronegativity differences in atoms and determine the types of bonds between...
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Electonegativity-How Do Atoms Stick Together?
In this electronegativity worksheet, high schoolers use given electronegativity values for each element to determine the bond type in 9 molecules.
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More Fun with Lewis Structures
In this compounds worksheet, students draw the Lewis structures for the given compounds, being sure to show the bond angles and molecular shapes. This worksheet has 6 problems to solve.
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Water and Diffusion
In this water and diffusion worksheet, high schoolers 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....
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Drops on a Penny
Eighth graders experiment to determine the number of drops of water a heads up penny hold. They create a stem and leaf graph of the class results and use the data for further experimentation on a tails up penny.
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Can Chromatography Separate A Pigment?
Learners separate a mixture of pigments with ion exchange chromatography and predict whether the ion-exchange matrix is positively or negatively charged based on the type of pigment bonded to the matrix.
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Creating Bonds
In this creating bonds activity, students create 2-D and 3-D models of the molecular formula provided. Students complete a chart of information about the molecular formula given.
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Unit 3 Bonding
An organized table charting the different types of chemical bonds arrays this resource. The octet rule, ionization energy, and the naming of compounds are also reviewed. Young chemists answer review questions in multiple choice fashion....
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7.012 F’04 Problem Set 1 ~ Biology
Course identification information is included in the upper left corner as well as within the title of this worksheet. If you overlook or remove that information, you are left with a tremendous college biology assignment. There are only...
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Bonding
All different types of bonding are covered in this PowerPoint, along with details of resulting bond and molecule shapes. The definitions of traditional molecule shapes and characteristics of behavior are very useful to assist in...
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Ranking Molecular Properties Based Upon Intermolecular Forces
A splendid chart of information about chemical bonding tops the first page. In it you will find information on London forces, permanent dipoles, hydrogen bonds, ionic bonds, and covalent bonds. A four-step process for assigning...