Category: Learn About STEM Disciplines

Radioactive Decay and Half Life

Document: Unit 3 Section 2 Energy Abstract: This unit introduces students to the topic of energy and the ideas of energy conservation. The students begin by developing understandings about the different forms of energy (i.e. Kinetic and Potential). Students then connect these concepts to develop an understanding about the law of conservation of energy. Furthermore, the unit provides the students...

Ibuprofen- A case study in green chemistry

Document: Science Unit 3 (Revised)-3 Abstract: Unit three is Exploring Change, specifically bonds, energy, and reactions.  The change to be investigated will include indicators of chemical reactions as they relate to chemical bonding and energy changes. Chapters 7 and 8 cover ionic and covalent bonding respectively, while chapters 9 and 19 are the introduction to stoichiometry, chemical reactions. Again, a...

A Cool Glass of Water

Document: http://sciencecases.lib.buffalo.edu/cs/collection/detail.asp?case_id=243&id=243 Abstract: Does an ice cube melt more quickly in salt water or in freshwater? The answer surprises the group of student science teachers portrayed in this case study. To explain the phenomenon they must figure out the interactions between two clusters of concepts: (1) density and its relationship to floating or sinking, and (2) three modes of heat...
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**Disclaimer: Sources are listed to provide additional information on related jobs, specialties, and/or industries. Information is provided for your convenience and do not constitute an endorsement. Source: Bureau of Labor Statistics, U.S. Department of Labor. Occupational Outlook Handbook, 2014-15 Edition.