Corrosion Source
Corrosion Source: Manganese
This resource presents a good summary of the history, properties, sources, uses and handling concerns of manganese. Also contains some basic data.
Other
Web ref.org: Manganese
A nice set of paragraphs summarizing basic information on manganese, its properties and applications. Well done links on all technical terms and vocabulary.
Texas Instruments
Texas Instruments: Matter
This Study Card stack enables students to review the concepts of matter, the kinds and classes of mater including atoms, molecules, elements, compounds, pure substance, and mixtures.
Science Education Resource Center at Carleton College
Serc: The Mole in Chemistry: Determining the Number of Atoms in Everyday Items
Students explore the concept of the mole as a measure of quantity. They build spreadsheets that allow them to convert between moles, grams, and atomic mass units for given quantities of everyday items, elements, and simple chemical...
Other
Virtual Chembook: Density Applications With Gases
DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. For...
State University of New York
State University of New York: Gas Density
This module simulates the measurement of the density of a gas sample. Different gaseous compounds and elements are available and the pressure and temperature of the sample can be adjusted.
Other
American Institute of Physics: Vapor Pressure Calculator
Type in an element or compound and the temperature and corresponding vapor pressures are shown.
National High Magnetic Field Laboratory
Magnet Academy: Humphry Davy
Humphry Davy was a pioneer in the field of electrochemistry who used electrolysis to isolate many elements from the compounds in which they occur naturally. Electrolysis is the process by which an electrolyte is altered or decomposed via...
University Corporation for Atmospheric Research
Ucar: Biogeochemical Cycles
The ways in which an element or compound such as water moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle. All of the atoms that are building blocks of living things are a...
CK-12 Foundation
Ck 12: General Chemistry
[Free Registration/Login may be required to access all resource tools.] Students will be introduced to some of the basic concepts of chemistry.
Towson University
Towson University: Online Writing Support: Comma
This entry focuses on the rules for comma use including listing the uses, explaining the rules, and providing detailed examples.
Ducksters
Ducksters: Kids Science: Molecules
Kid's learn about the science of the molecules. Tiny chemistry and compounds of atoms and elements make up all matter.
ClassFlow
Class Flow: Comparing and Contrasting Matter
[Free Registration/Login Required] This flipchart is a guided activity to help students compare different types of matter: atoms and molecules, elements and compounds, mixtures and solutions. It corresponds to Virginia science SOL 5.4.
Science Struck
Science Struck: Composition of Air
Discover all the elements and chemical compounds that are found in the air. They are presented in a chart listing their symbols, molecular weights, and what percent of the atmosphere they each comprise. A set of facts is also provided.
Curated OER
Eternal Egypt: Glass Measure With Stamp
The glass bottle is a type of measure. It contains the remains of acid compounds and has a stamp to ensure the drugs or chemical materials were not tampered with.
Other
Science Alive: What Is Organic Chemistry?
This reading/lesson plan introduces students to the concept of organic chemistry.
CK-12 Foundation
Ck 12: Biology: Significance of Carbon
[Free Registration/Login may be required to access all resource tools.] Covers the significance and functions of carbon.
Discovery Education
Discovery Education: Physical Science
The Discovery Channel provides numerous lesson plans dealing with the physical sciences. Content is organized by grade level, but all lesson plans include suggestions for adaptations for older or younger audiences.
Other
Homewood City Schools: Classification of Matter
This Homewood City Schools site has an outline form and contains lots of information about the classification and composition of matter. Some of the topics covered are matter and temperature, changes in state, composition of matter, and...
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