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Contents
Table of Contents | 1 |
B The Respiratory System | 13 |
The Circulatory System | 21 |
The Excretory System | 28 |
Interdependence Among Living Organisms | 43 |
The Flow of Food Energy | 53 |
Cycles of Materials | 60 |
E The Balance of Nature | 66 |
Molecular Structure of Matter | 113 |
Compounds | 123 |
Changes in Matter | 131 |
Unit | 147 |
B Energy Transformation | 159 |
Electricity and Magnetism | 167 |
B Magnetism | 191 |
Unit Three | 201 |
Coping with Overpopulation | 77 |
Chapter 4 Matter and Its Composition | 102 |
B The Composition of Matter | 112 |
B The Philippine Climate | 221 |
Space Exploration | 306 |
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Common terms and phrases
Activity air mass amount animals Answer Answer briefly appear atmosphere atom battery becomes blood body bulb called carbon dioxide causes cells chemical climate cold color coming connection constellations consumer contains continuously countries Describe digestive earth earthquake effects electricity electrons elements energy equator fish flow forms galaxies Give glands glucose happens heart heat Hemisphere important intestine iron kind large intestine latitude light living located Look lungs materials matter means molecules moon mountains move movement Name nature night North objects Observe oceans organs outer oxygen particles Philippines plants polar population position probes produce radio rain regions rises rocks satellites scientists shows solar sound space stars substance surface switch telescope temperature things tube Type typhoon warm wind wire