Chemistry

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Review of Chemical Formulas
Review of Chemical Formulas 150 150 Deborah

 Overview: Chemical formulas are abbreviations for chemical compounds.  They contain both the elements in the compound and  the ratio of elements to one another.  They are used as shorthand to…

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Review of Physical and Chemical Changes
Review of Physical and Chemical Changes 150 150 Deborah

 Overview All matter can undergo physical and chemical changes.  While physical changes do not affect the composition of matter, chemical changes transform one type of matter to another type of…

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Science Review of Heat and Temperature
Science Review of Heat and Temperature 150 150 Deborah

Overview: Heat energy is kinetic energy caused by the vibration of particles within a substance.  Temperature is the measure of the average heat energy within a sample of the substance,…

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Introduction to the Periodic Table
Introduction to the Periodic Table 150 150 Deborah

Overview:  What Is the Periodic Table? The periodic table is a grouping of chemical elements arranged in families based upon their chemical properties.  The most common form of the periodic…

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Organic Compounds
Organic Compounds 150 150 Deborah

Overview: What Are Organic Compounds? All organic compounds contain carbon.  This is because of the atomic structure of carbon such that it can bind with up to four other elements at…

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Chemical Bonds and Reactions in Living Things
Chemical Bonds and Reactions in Living Things 150 150 Deborah

Overview Chemicals form the basic building blocks of matter in living things as well as nonliving things.  Molecules are formed by chemical bonds that join elements and make substances.  Chemical…

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Mixtures and Compounds in Living Organisms
Mixtures and Compounds in Living Organisms 150 150 Deborah

Overview Mixtures and compounds are important combinations of elements.  They are essential to the chemical processes that support living things, as well as those that occur every day in nonliving…

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Chemistry and Biology Review: Life in Oceans of Europa?
Chemistry and Biology Review: Life in Oceans of Europa? 150 150 Deborah

Overview:  Why Europa? Europa is one of the moons that orbit the planet Jupiter.  Recently, scientists studying data from the faraway moon have applied principles of biology and chemistry to…

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The Chemistry and Physics of Superconductors
The Chemistry and Physics of Superconductors 150 150 Deborah

Overview:  What Are Superconductors? Superconductors are substances that do not resist electrical flow at all when they are cooled below a certain temperature.  Electrical currents can flow indefinitely without using…

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How Water Can be Used as an Adhesive: Applications of Chemistry and Biology
How Water Can be Used as an Adhesive: Applications of Chemistry and Biology 150 150 Deborah

Overview:  What Is an Adhesive? Adhesives are substances like paste or glue that bond items together.  Some are natural, such as tar made from bark and plants, glues made from…

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