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ERIC Number: EJ423624
Record Type: CIJE
Publication Date: 1991
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0036-8555
Our Two Cents Worth.
Corcoran, Tim; Allen, Bill
Science Teacher, v58 n2 p18-20 Feb 1991
Described is an activity in which students determine the percent composition of zinc and copper in pennies minted before and after 1982. Students also use pennies to show the natural relative abundance of isotopes and to explain how the weighted atomic mass of the elements is determined. (KR)
Publication Type: Journal Articles; Guides - Classroom - Teacher
Education Level: N/A
Audience: Teachers; Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A