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published by the Maine Mathematics and Science Alliance
supported by the National Science Foundation
content provider: the The Science House: NC State University
PRISMS is a collection of reviewed phenomena and representations for middle school science. This page features a classroom demonstration that illustrates the Law of Conservation of Mass: no matter how substances within a closed system interact with one another, the total mass of the system remains the same. In this demo, steel wool is placed in a flask, covered by a balloon, and the mass is measured before and after the steel wool rusts.

Editor's Note: The key elements of PRISMS are the professional reviews that accompany each digital resource. The resource is evaluated for its quality, alignment to national science standards, scope, and appropriateness for the grade level intended. PRISMS database topics include astronomy, biology, earth science, structure of matter, energy, force and motion, and ecology.
Subjects Levels Resource Types
General Physics
- Properties of Matter
Other Sciences
- Chemistry
- Middle School
- High School
- Instructional Material
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= Curriculum support
= Laboratory
= Lecture/Presentation
= Lesson/Lesson Plan
Appropriate Courses Categories Ratings
- Physical Science
- Physics First
- Conceptual Physics
- Lesson Plan
- Activity
- Laboratory
- New teachers
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Intended Users:
Educator
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Format:
text/html
Access Rights:
Free access
Restriction:
© 2008 Maine Mathematics and Science Alliance
Keywords:
chemical reactions, chemistry demonstration, closed system, conservation of mass, conservation of matter, middle school science, peer reviewed materials, standards-based materials, systems
Record Cloner:
Metadata instance created April 28, 2011 by Caroline Hall
Record Updated:
April 28, 2011 by Caroline Hall
Last Update
when Cataloged:
May 9, 2009

AAAS Benchmark Alignments (2008 Version)

1. The Nature of Science

1B. Scientific Inquiry
  • 6-8: 1B/M1b. Scientific investigations usually involve the collection of relevant data, the use of logical reasoning, and the application of imagination in devising hypotheses and explanations to make sense of the collected data.

4. The Physical Setting

4D. The Structure of Matter
  • 6-8: 4D/M6b. An important kind of reaction between substances involves the combination of oxygen with something elseā€”as in burning or rusting.
  • 6-8: 4D/M7a. No matter how substances within a closed system interact with one another, or how they combine or break apart, the total mass of the system remains the same.
  • 6-8: 4D/M7b. The idea of atoms explains the conservation of matter: If the number of atoms stays the same no matter how the same atoms are rearranged, then their total mass stays the same.

This resource is part of a Physics Front Topical Unit.


Topic: Particles and Interactions and the Standard Model
Unit Title: Matter and Interactions

This page features a classroom demonstration that illustrates the Law of Conservation of Mass: no matter how substances within a closed system interact with one another, the total mass of the system remains the same. In this demo, steel wool is placed in a flask, covered by a balloon, and the mass is measured before and after the steel wool rusts.

Link to Unit:
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(Maine Mathematics and Science Alliance, Augusta, 2008), WWW Document, (http://prisms.mmsa.org/review.php?rid=262&cat=5).
AJP/PRST-PER
PRISMS: Conservation of Matter, (Maine Mathematics and Science Alliance, Augusta, 2008), <http://prisms.mmsa.org/review.php?rid=262&cat=5>.
APA Format
PRISMS: Conservation of Matter. (2009, May 9). Retrieved December 18, 2014, from Maine Mathematics and Science Alliance: http://prisms.mmsa.org/review.php?rid=262&cat=5
Chicago Format
The Science House: NC State University, and National Science Foundation. PRISMS: Conservation of Matter. Augusta: Maine Mathematics and Science Alliance, May 9, 2009. http://prisms.mmsa.org/review.php?rid=262&cat=5 (accessed 18 December 2014).
MLA Format
PRISMS: Conservation of Matter. Augusta: Maine Mathematics and Science Alliance, 2008. 9 May 2009. The Science House: NC State University, and National Science Foundation. 18 Dec. 2014 <http://prisms.mmsa.org/review.php?rid=262&cat=5>.
BibTeX Export Format
@misc{ Title = {PRISMS: Conservation of Matter}, Publisher = {Maine Mathematics and Science Alliance}, Volume = {2014}, Number = {18 December 2014}, Month = {May 9, 2009}, Year = {2008} }
Refer Export Format

%T PRISMS: Conservation of Matter
%D May 9, 2009
%I Maine Mathematics and Science Alliance
%C Augusta
%U http://prisms.mmsa.org/review.php?rid=262&cat=5
%O text/html

EndNote Export Format

%0 Electronic Source
%D May 9, 2009
%T PRISMS: Conservation of Matter
%I Maine Mathematics and Science Alliance
%V 2014
%N 18 December 2014
%8 May 9, 2009
%9 text/html
%U http://prisms.mmsa.org/review.php?rid=262&cat=5


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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

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PRISMS: Conservation of Matter:

Is Part Of Phenomena & Representations for Instruction of Science in Middle Schools (PRISMS)

A link to the full database for the PRISMS project.

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