Prentice Hall science explorer: grade 8 /
Padilla, Michael J.
Prentice Hall science explorer: grade 8 / Michael J. Padilla, Ioannis Miaoulis and Martha Cyr - New Jersey : Prentice Hall, Inc., c2002 - xxii, 752 pages : color illustrations ; 28 cm.
Ioannis, B.;Cyr, and R.
Unit1. Physical systems- Matter and energy -- Unit2. Light and the universe -- Unit3. Earth systems -- Unit4.Human activities and earth systems -- Unit5. Genetics and Interdependence among living systems .
For over two centuries, scientists have worked on models of atoms in an effort to understand why matter behaves as it does. As scientists have learned more, the model of atom has changed .
130534803
SCIENCE
Q 161.2 .P34 2002
Prentice Hall science explorer: grade 8 / Michael J. Padilla, Ioannis Miaoulis and Martha Cyr - New Jersey : Prentice Hall, Inc., c2002 - xxii, 752 pages : color illustrations ; 28 cm.
Ioannis, B.;Cyr, and R.
Unit1. Physical systems- Matter and energy -- Unit2. Light and the universe -- Unit3. Earth systems -- Unit4.Human activities and earth systems -- Unit5. Genetics and Interdependence among living systems .
For over two centuries, scientists have worked on models of atoms in an effort to understand why matter behaves as it does. As scientists have learned more, the model of atom has changed .
130534803
SCIENCE
Q 161.2 .P34 2002