Earth then and now l6

Earth Then and Now Robert Quinn Read and discover all about Earth in the pa s and Earth today • How did Earth form? • What natural resources does Earth give us Read and discover more about the world! This series of non-fiction readers provides interesting and educational content, with activities and project work Series Editor: Hazel Geatches & Audio CD Pack available Word count for this reader: 3,723 level 600 headwords t;Jr\ level ~ 750 headwords tJt\ level 'W 900 headword level 1,050 headword II 7801 !J I ' d ~ Tl1en and Now Robert Quinn Contents Introduction A BaLL of Fire Water and Air MineraLs and Rock 12 Tectonic PLates 16 PLant Life 20 AnimaL Life 24 Temperature 28 PeopLe on Earth 32 Activities 36 Projects 52 GLossary 54 About Read and Discover 56 OXFORD UN IV ERS ITY PRESS AC I