Elemental Notation and Isotopes
In this elements learning exercise, students complete a graphic organizer by writing in the number of protons, electrons, and neutrons for the elements given.
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What Determines and Limits an Atom's Mass?
Provide learners with the tools to further understand nuclear energy and isotopes. Young chemists investigate the components of an atom's nucleus, use symbols to represent various isotope forms, and use the percent abundance of an atom's...
7th - 12th Science
New Review History's Thermometers
How is sea coral like a thermometer? Part three of a six-part series from NOAA describes how oceanographers can use coral growth to estimate water temperature over time. Life science pupils manipulate data to determine the age of corals...
9th - 12th Science CCSS: Designed