Is it hard?
Subtitle: all about solid materials
By: Jenny Vaughan
Series: All about materials; All about materials
Publisher: Franklin Watts
Published: 2009
Place of publication: London
Language: eng
ISBN-13: 9780749687182
Subjects: Hard materials; Juvenile literature; Experiments
Table of contents: title: What is a solid?; title: What is "hardness"?; title: Scratching surfaces; title: Hard and sharp; title: Shaping solids; title: Strength; title: Letting light through; title: Stained glass window; title: Solids that flow; title: Disappearing solids; title: Invisible ink; title: Eaten away; title: Vanishing eggshell.