Spelling Words 1.Carlos and the Skunk 1. forward 2. course 3. audience 4. aboard 5. bore 6. fawn 7. install 8. longing 9. performing 10. astronaut 11. soar 12. chore 13. withdraw 14. wallpaper 15. coffee 16. border 17. source 18. applaud 19. coarse 20. forecast Challenge Words 1. nestled 2. peculiar 3. stunned 4. unbearable 5. unpleasant 4.The Big Storm 1. mailbox 2. all right 3. goldfish 4. no one 5. ice‐skating 6. homesick 7. post office 8. twenty‐five 9. somebody 10. peanut butter 11. raindrop 12. cold front 13. merry‐go‐round 14. teaspoon 15. parking lot 16. thirty‐third 17. snowstorms 18. mountaintops 19. sister‐in‐law 20. northeast Challenge Words 1. atmosphere 2. collision 3. cycle 4. injured 5. uneven
ODD YEARS
2.How to Think Like a Scientist 1. cards 2. carve 3. barely 4. stairway 5. remark 6. vary 7. rare 8. airline 9. scar 10. scarce 11. chart 12. square 13. repairman 14. target 15. aquarium 16. barge 17. beware 18. lair 19. artistic 20. regard Challenge Words 1. assignments 2. automatically 3. normally 4. observations 5. swerved 5.Catching Up with Lewis and Clark 1. journey 2. canoes 3. traveled 4. route 5. service 6. hardships 7. trail 8. explorer 9. communicate 10. agency 11. canal 12. fort 13. native 14. caravan 15. agreement 16. expedition 17. elevation 18. canyon 19. dwell 20. campsite Challenge Words 1. bison 2. diaries 3. former 4. journal 5. superb
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3.An Island Scrapbook 1. steer 2. return 3. appear 4. nerve 5. frontier 6. fir 7. mysterious 8. career 9. surface 10. fearsome 11. tem 12. cashier 13. squirm 14. experience 15. eerie 16. purse 17. dreary 18. alert 19. squirt 20. material Challenge Words 1. barrier 2. emerge 3. naturalist 4. parallel 5. teeming Review Carlos and the Skunk How to Think Like a Scientist An Island Scrapbook The Big Storm Catching Up with Lewis and Clark
17.Over the Top of the World 1. underwater 2. samples 3. widen 4. similar 5. superior 6. panel 7. practical 8. melon 9. urban 10. manner 11. article 12. mistaken 13. jumbles 14. cedar 15. funnel 16. fatal 17. moral 18. vapor 19. unison 20. tremor Challenge Words 1. accumulating 2. environmental 3. formation 4. industrial 5. submerged 20. Back to the Moon! 1. rocket 2. crater 3. telescopes 4. hurtle 5. revolve 6. orbiting 7. comet 8. meteors 9. astronomers 10. rotate 11. altitude 12. constellation 13. galaxy 14. odyssey 15. alien 16. eclipse 17. thermal 18. asteroid 19. planetarium 20. variable Challenge Words 1. hydrogen 2. lunar 3. magnetic 4. quantities 5. sensor
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18.The Phantom Tollbooth 1. suppose 2. stubborn 3. perhaps 4. confess 5. appeal 6. album 7. effort 8. severe 9. canvas 10. ballot 11. morsel 12. standard 13. applause 14. nuisance 15. judgment 16. ponder 17. suspend 18. collide 19. ballad 20. random Challenge Words 1. appreciation 2. cellophane 3. explosions 4. tollbooth 5. triangles Review Mummies, Tombs, Treasure: Secrets of Ancient Egypt The Phantom Tollbooth Back to the Moon! Over the Top of the World Exploring the Titanic