Hartley,, William,, 1947- Developing science language for materials and their properties with 6-7=6-7 year olds / William Hartley

Developing science language for materials and their properties with 6-7=6-7 year olds / William Hartley . - Leamington : Scholastic, cop. 2002 . - 64 p. : il. 30 cm
0-439-01879-X Brochado

501:372.85
372.85:501