Hard or soft [Text]
Charlotte Guillain
- 1st ed. Paperback
- London Raintree 2010
- 24 p. : col. ill. ; 18 x 21 cm.
- Acorn Book Band 4 Blue Properties of materials .
Children learn whether it is easy to change the shape of hard and soft materials, how we can tell if something is hard or soft, and which materials have these properties.
0431193533 0.00
Hardness Hard materials Matter - Properties Materials Science