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...
Khan Academy
Khan Academy: Bond Hybridization
Practice determining the hybridization for atoms in covalent compounds. Use the interactive scratch pad to work out the problems.
Khan Academy
Khan Academy: Bond Hybridization
Practice determining the hybridization for atoms in covalent compounds.
CK-12 Foundation
Ck 12: Polarity and Intermolecular Forces
[Free Registration/Login may be required to access all resource tools.] The following online tutorial describes how the electronegativity difference between two atoms in a covalent bond results in the formation of a nonpolar covalent,...
TeachEngineering
Teach Engineering: Mixtures and Solutions
This unit covers introductory concepts of mixtures and solutions. Students think about how mixtures and solutions, and atoms and molecules can influence new technologies developed by engineers. The first lesson explores the fundamentals...
Educaplus (Jesús Peñas Cano)
Educaplus: Enlace Ionico [In Spanish]
Expand your knowledge of Chemistry. Observe how ionic compounds are networks of electrically charged atoms.
McREL International
Mc Rel: Glue Polymer (Whelmer #15 Learning Activity)
An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.
Other
Science Alive: Synthetic vs. Natural: What's the Difference?
Through this reading, students will learn that a substance's properties arise from its molecular structure, not from how it's made (i.e., synthesized by people or found in nature). There is no fundamental difference between natural and...
ClassFlow
Class Flow: What Is Matter?
[Free Registration/Login Required] Discover the composition of matter and the relationship between matter, atoms, and elements. Students will learn the differences between elements and compounds, and how molecules are formed. Chemical...