American Chemical Society
Middle School Chemistry: P H and Color Change
Learn about color change and pH as it relates to chemical changes.
American Chemical Society
Middle School Chemistry: Temperature Changes in Dissolving
See how temperature changes affect dissolving and the molecular bonds in a water molecule.
Khan Academy
Khan Academy: Infographic: Chemical Abundances: The Oceans
The chemical composition of our oceans varies depending on location, but the primary ingredients are oxygen, hydrogen, chlorine, and sodium. View this downloadable infographic on the earth's oceans.
Khan Academy
Khan Academy: Infographic: Chemical Abundances: A Meteorite
Examine the chemical composition of a meteorite, identify elements and their abundances in meteorites, and take an in-depth look at iridium with this downloadable infographic.
American Chemical Society
Middle School Chemistry: Energy Changes in Chemical Reactions
Use these demostration video clips to help understand the energy changes in some chemical reactions.
Khan Academy
Khan Academy: Infographic: Chemical Abundances: Human Body
Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. View this downloadable infographic on the human body.
Sophia Learning
Sophia: Metallic Character
A slide show presentation describes the metallic character of elements, and explains how that changes throughout the periodic table.
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