QUICK INDEX
ATMOSPHERE & WEATHER Page 2
WATER Page 4
SOIL Page 8
AIR, ACID RAIN & POLLUTION Page 12
ROCKS, MINERALS & FOSSILS Page 14
PLATE TECTONICS Page 18
ASTRONOMY Page 20
AP® ENVIRONMENTAL SCIENCE Page 22
ON THE COVER
Celestial Star
Globe, Universal
Demonstrate the
relationships between
Earth and celestial
objects in the Universe.
See page 21 for details.