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EJ985483 - Growth of a Pine Tree

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ERIC #:	EJ985483
Title:	Growth of a Pine Tree
Authors:	Rollinson, Susan Wells
Descriptors:	Biology; Science Activities; Science Instruction; Scientific Concepts; High School Students; Forestry; Botany; Class Activities
Source:	American Biology Teacher, v74 n9 p620-627 Nov-Dec 2012
More Info: Help Peer Reviewed:	Yes
Publisher:	University of California Press. 2000 Center Street Suite 303, Berkeley, CA 94704. Tel: 510-643-7154; Fax: 510-642-9917; e-mail: customerservice@ucpressjournals.com; Web site: http://www.ucpressjournals.com/journal.php?j=abt
Publication Date:	2012-00-00
Pages:	8
Pub Types:	Journal Articles; Reports - Descriptive
Abstract:	The growth of a pine tree is examined by preparing "tree cookies" (cross-sectional disks) between whorls of branches. The use of Christmas trees allows the tree cookies to be obtained with inexpensive, commonly available tools. Students use the tree cookies to investigate the annual growth of the tree and how it corresponds to the number of whorls on the tree. Height-diameter and height-age relationships are also investigated. While aimed at high school classes, the procedure can be adapted for younger students.
Abstractor:	As Provided
Reference Count:	16

Note:	N/A
Identifiers:	N/A
Record Type:	Journal
Level:	N/A
Institutions:	N/A
Sponsors:	N/A
ISBN:	N/A
ISSN:	ISSN-0002-7685
Audiences:	N/A
Languages:	English
Education Level:	Elementary Secondary Education; High Schools; Secondary Education
Direct Link:	http://dx.doi.org/10.1525/abt.2012.74.9.5

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