NotesFAQContact Us
Collection
Advanced
Search Tips
Peer reviewed Peer reviewed
Direct linkDirect link
ERIC Number: EJ938886
Record Type: Journal
Publication Date: 2010-Mar
Pages: 3
Abstractor: As Provided
Reference Count: 2
ISBN: N/A
ISSN: ISSN-1449-6313
The Tapioca Bomb: A Demonstration to Enhance Learning about Combustion and Chemical Safety
Keeratichamroen, Wasana; Dechsri, Precharn; Panijpan, Bhinyo; Ruenwongsa, Pintip
Teaching Science, v56 n1 p39-41 Mar 2010
In any demonstration to students, producing light and sound usually ensures interest and can enhance understanding and retention of the concepts involved. A guided inquiry (Predict, Observe, Explain: POE) approach was used to involve the students actively in their learning about the explosive combustion of fine flour particles in air in the presence of sparks. It also provides an opportunity to explore chemical safety in industrial chemical settings. Tapioca flour is essentially a dry powdery starch (carbohydrate) prepared from the roots of the cassava (manioc) plant. It shares with potato starch the general structure (C[subscript 6]H[subscript 10]O[subscript 5])n. (Contains 3 figures.)
Australian Science Teachers Association. P.O. Box 334, Deakin West, ACT 2600, Australia. Tel: +61-02-6282-9377; Fax: +61-02-6282-9477; e-mail: publications@asta.edu.au; Web site: http://www.asta.edu.au/resources/teachingscience
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A