Solutions: Grades 6-10

by Ron Marson and Peg Nazari Marson

Begins with corn starch. Mixed cold, it forms a coarse suspension that clears by filtering or settling. When boiled it forms both a cloudy colloidal suspension and a clear true solution. Apply concepts and vocabulary learned here to a series of tasks that clean muddy water: Alum coagulates the clay, chlorination bleaches all traces of food coloring, but only distillation makes it pure. Use common salts to study about crystals, concentration and saturation,...

• Format: Paperback
• Language: English
• ISBN: 0941008827
• ISBN13: 9780941008822
• Release Date: April 2019
• Publisher: Tops Learning Systems
• Length: 74 Pages
• Weight: 0.57 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"
• Age Range: 12 to 17 years
• Grade Range: Grades 7 to 12