Introduction Alchemy is the medieval forerunner of chemistry, based on the supposed transformation of matter. ... Conclusion The purpose of this lab experiment was to explore the use of physical and chemical changes to imitate alchemists and turn a penny from copper to "silver " to "gold ". It was found that it is possible to use physical and chemical changes to change a copper penny to what appears to be silver and what appears to be gold. ... Chemical and physical changes are the likely changes in this experiment. ... Changing the penny from a shiny, silver colored penny to a gold colored p...

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• Approx Pages: 2
• Grade Level: High School

Compound: Chemical substance made up of two or more elements bounded together, so that they cannot be separated by physical means. ... Neutrons have about the same mass as protons but no electric charge, contribute to the mass of atoms but do not affect their chemistry. ...

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• Approx Pages: 1
• Grade Level: High School

., Astronomy, Biology, Chemistry, Physics), collectively they're doing just two types or broad categories of research - basic and applied. ... Learning Object Info: Lesson Highlight: Topic 1 - The Scientific Method   Type: HTML   Submitted By: Randall Warwick   Lesson Highlight: Topic 2 - Fundamentals of Chemistry Fundamentals of Chemistry When I think of the material things in the world, I like to think of that stuff as substance. ...

• Word Count: 10700
• Approx Pages: 43
• Grade Level: High School