Lesson 1, The Hot and Cold Summer Words with short vowels 1. master 8. busy 15. sweater 2. ahead 9. quit 16. plastic 3. build 10. mother 17. balance 4. front 11. above 18. limit 5. meant 12. does 19. among 6. bread 13. advantage 20. dozen 7. ready 14. business Challenge Words 21. activity 22. building 23. heavy 24. biscuit 25. purpose Lesson 2, Sees Behind Trees Words with long a, e, and i 1. stayed 8. daily 15. slightly 2. brain 9. breathe 16. payment 3. thief 10. meanwhile 17. brief 4. meat 11. believes 18. tray 5. flight 12. tonight 19. byte 6. style 13. increased 20. raise 7. delighted 14. explained Challenge Words 21. tight 22. type 23. remain 24. chief 25. pleaded Lesson 3, Yang the Third and Her Impossible Family Words with long o and long u 1. soul 8. stole 15. continue 2. smoke 9. prove 16. issue 3. move 10. produce 17. ego 4. clue 11. juice 18. argue 5. fruits 12. drove 19. cruise 6. lose 13. Tuesday 20. toll 7. chose 14. rescue Challenge Words 21. forehead 22. include 23. rehearsal 24. fourth 25. course Lesson 4, Dear Mrs. Parks Vowels before r 1. parts 8. backward 15. squirrel 2. history 9. border 16. harmful 3. warning 10. prepared 17. charms 4. declare 11. harsh 18. disorder 5. despair 12. research 19. favored 6. shirt 13. carnival 20. remark 7. learning 14. particular Challenge Words 21. correspondence 22. discouraged 23. generations 24. constitution 25. literature Lesson 5, Elena Words with /s/, /z/, and /sh/ 1. percent 8. notice 15. detention 2. absence 9. scene 16. constitution 3. years 10. station 17. advertisement 4. refused 11. social 18. advise 5. ancient 12. special 19. cities 6. pressure 13. parachute 20. chalet 7. machine 14. specialty Challenge Words 21. sincere 22. tissue 23. resident 24. magician 25. medicine Lesson 6, We'll Never Forget You, Roberto Clemente 1. treasure 8. adventure 15. temperature 2. capture 9. mixture 16. legislature 3. feature 10. structure 17. immature 4. pleasure 11. pasture 18. leisure 5. measure 12. culture 19. premature 6. creature 13. literature 20. signature 7. picture 14. furniture Challenge Words 21. recruited 22. persistent 23. league 24. devastation 25. inspiration Lesson 7, Folk Tales from Asia Words ending in -ed and -ing 1. charged 8. tasted 15. fried 2. spied 9. receiving 16. created 3. moving 10. becoming 17. tallied 4. trying 11. lying 18. carried 5. practicing 12. dying 19. revising 6. injured 13. realized 20. wearing 7. carrying 14. provided Challenge Words 21. approval 22. glimpse 23. braggart 24. sufficient 25. qualities Lesson 8, Iditarod Dream 1. American 8. harbor 15. weather 2. frozen* 9. father 16. beckon 3. button 10. color 17. cannon 4. chapter 11. ancestor 18. comparison 5. tractor 12. hidden 19. elder 6. golden 13. hamburger 20. turban 7. taken 14. theater Challenge Words 21. desperate 22. frostbitten 23. laden 24. emergency 25. straighten Lesson 9, Woodsong 1. level 8. battle 15. individual 2. double 9. candle 16. material 3. metal 10. article 17. angel 4. evil 11. equal 18. camel 5. travel 12. civil 19. illegal 6. couple 13. capital 20. stencil 7. needle 14. original Challenge Words 21. brindle 22. possible 23. personality 24. wilderness 25. humorous Lesson 10, Island of the Blue Dolphins Plurals 1. crises 8. armies 15. tomatoes 2. knives 9. briefs 16. canoes 3. media 10. videos 17. berries 4. roofs 11. heroes 18. loaves 5. pianos 12. data 19. lives 6. waves 13. bacteria 20. messages 7. wishes 14. oxen Challenge Words 21. foxes 22. breaths 23. tragedies 24. buses 25. skis Lesson 11, Everglades Words with "silent" letters 1. island 8. walked 15. aisle 2. design 9. talk 16. foreign 3. calm 10. chalk 17. lightning 4. column 11. wrinkled 18. benign 5. sword 12. wrong 19. glistened 6. half 13. autumn 20. resign 7. yolk 14. solemn Challenge Words 21. orchids 22. slaughter 23. clambered 24. knowledge 25. habitat Lesson 12, Summer of Fire Compound words 1. basketball 8. skateboard 15. strawberry 2. seventy-five 9. homework 16. freeway 3. rock band 10. two-thirds 17. car pool 4. everybody 11. high school 18. comic strip 5. fireplace 12. railroad 19. fine arts 6. anything 13. motorcycle 20. forty-two 7. takeoff 14. vice president Challenge Words 21. breathtaking 22. thunderstruck 23. runner-up 24. half hour 25. paper clip Lesson 13, Oceans Troublesome words and phrases 1. anyway 8. a lot 15. there's 2. any way 9. its 16. theirs 3. all right 10. it's 17. anyone 4. every one 11. your 18. any one 5. everyone 12. you're 19. altogether 6. already 13. who's 20. all together 7. all ready 14. whose Challenge Words 21. continents 22. wavelength 23. particles 24. dangerous 25. eventually Lesson 14, Seeing Earth From Space Suffixes: -ant and -ent 1. absent 8. moment 15. restaurant 2. servant 9. resident 16. patient 3. present 10. ignorant 17. government 4. instant 11. pleasant 18. statement 5. accident 12. distant 19. migrant 6. assistant 13. innocent 20. participant 7. current 14. intelligent Challenge Words 21. efficacious 22. orbiting 23. continent 24. magma 25. landforms Lesson 15, The Case of the Flying-Saucer People Suffixes: -tion and -ness 1. translation 8. operation 15. education 2. laziness 9. sickness 16. transportation 3. population 10. kindness 17. federation 4. invention 11. closeness 18. subtraction 5. generation 12. forgiveness 19. smallness 6. examination 13. pollution 20. lateness 7. situation 14. imagination Challenge Words 21. science-fiction 22. questions* 23. air-conditioning 24. scientific 25. atmosphere Lesson 16, Hattie's Birthday Box Suffixes -able and -less 1. capable 8. tasteless 15. excitable 2. careless 9. helpless 16. believable 3. desirable 10. senseless 17. bottomless 4. admirable 11. priceless 18. comfortable 5. restless 12. useless 19. dampness 6. available 13. reliable 20. understandable 7. debatable 14. undeniable Challenge Words 21. decorations 22. reciting 23. memorized 24. tongue 25. precious Lesson 17, William Shakespeare & the Globe Suffixes: -eer, -ist, -ian, -or, and -er 1. engineer 8. tourist 15. refrigerator 2. dentist 9. scientist 16. guardian 3. librarian 10. visitor 17. commander 4. director 11. investigator 18. physician 5. customer 12. senator 19. politician 6. pioneer 13. astronomer 20. leader 7. counselor 14. character Challenge Words 21. historian 22. performer 23. volunteer 24. disaster 25. spectator Lesson 18, The World of William Joyce Scrapbook Prefixes: non-, in-, and un- 1. nontoxic 8. unless 15. inconsistent 2. income 9. indeed 16. unfortunately 3. unknown 10. nonprofit 17. nonfiction 4. unusual 11. invisible 18. nonviolent 5. involved 12. nonsense 19. uncover* 6. unlike 13. incredible 20. informal 7. inspector 14. uncomfortable Challenge Words 21. inexperienced 22. unproductive 23. nonverbal 24. unsightly 25. inspiration Lesson 19, Satchmo's Blues Prefixes re- and inter- 1. remove 8. relocate 15. intersection 2. interview 9. international 16. recommend 3. repeat 10. review 17. interject 4. interrupt 11. interpret 18. intervene 5. respect 12. interstate 19. resource 6. interfere 13. remarkable 20. remained 7. represent 14. intermediate Challenge Words 21. interdependent 22. interconnect 23. recognize 24. reassure 25. recede Lesson 20, Evelyn Cisneros: Prima Ballerina Prefixes: dis- and de- 1. discuss 8. details 15. disadvantage 2. deduct 9. demand 16. demonstrated 3. dismissed 10. determined 17. defeat 4. develop 11. depressed 18. descent 5. disease 12. defense 19. disappear 6. discount 13. disappointing 20. disconnect 7. disturb 14. discouraged Challenge Words 21. distract 22. decision 23. deliver 24. distressed 25. distribute Lesson 21, Off and Running Prefixes: pre- and pro- 1. prevent 8. promise 15. pronunciation 2. program 9. previous 16. professional 3. predict 10. protect 17. pretest 4. project 11. property 18. preview 5. pretend 12. propose 19. proclaim 6. process 13. precede 20. progress 7. prefer 14. proceed Challenge Words 21. ceramic 22. opponent 23. aquarium 24. resources 25. acquaintance Lesson 22, Little by Little VCCV (vowel-consonant-consonant-vowel) words 1. pretty 8. perhaps 15. challenge 2. service 9. attack 16. pretzel 3. thunder 10. entire 17. survive 4. blanket 11. chimney 18. pillow 5. effort 12. tunnel 19. hunger 6. fellow 13. effect 20. college 7. subject 14. suspended Challenge Words 21. determined 22. autobiography 23. disease 24. eternal 25. composition Lesson 23, Dear Mr. Henshaw More words with -ed or -ing 1. wondering 8. admitted 15. canceled 2. fastened 9. referred 16. developing 3. permitting 10. bothered 17. scrubbing 4. controlled 11. submitted 18. upsetting 5. listening 12. whispered 19. wondered 6. regretted 13. transferred 20. quarreled 7. suffered 14. occurring Challenge Words 21. triggered 22. pretended 23. commenting 24. delaying 25. squatted Lesson 24, Frindle VCCCV (vowel-consonant-consonant-consonant-vowel) words 1. subtract 8. instead 15. Christmas 2. distract 9. Congress 16. construction 3. contract 10. English 17. luncheon 4. complex 11. conflict 18. complaint 5. distrust 12. exchange 19. transform 6. extra 13. pumpkin 20. although 7. improve 14. sandwich Challenge Words 21. cassette 22. devised 23. persuaded 24. deceive 25. dictionary Lesson 25, The Fun They Had VCV (vowel-consonant-vowel) words 1. slogan 8. humor 15. balance 2. radar 9. salad 16. radio 3. minutes 10. eleven 17. basis 4. honest 11. closet 18. decent 5. second 12. model 19. fanatic 6. virus 13. volcano 20. novel 7. shadow 14. private Challenge Words 21. diary 22. textbooks 23. calculated 24. superior 25. centuries Lesson 26, Across the Wide Dark Sea V V (vowel-vowel) words 1. quiet 8. Indian 15. triumph 2. trial 9. fluid 16. violent 3. fuel 10. violin 17. theater 4. poem 11. museum 18. liar 5. diet 12. dial 19. leotard 6. nucleus 13. ruin 20. koala 7. cruel 14. influence Challenge Words 21. journey 22. obstacle 23. accomplishment 24. desperate 25. calm Lesson 27, Name This American Contractions 1. he's 8. shouldn't 15. aren't 2. couldn't 9. how's 16. here's 3. she'll 10. weren't 17. they'll 4. doesn't 11. there's 18. we'll 5. we'd 12. wouldn't 19. you'd 6. that's 13. what's 20. he'd 7. hadn't 14. where's Challenge Words 21. celebrities 22. congratulations 23. continue 24. astronomer 25. guarantee Lesson 28, What's the Big Idea Ben Franklin? Related words 1. describe 8. application 15. collide 2. description 9. compete 16. collision 3. nature 10. competition 17. multiply 4. natural 11. divide 18. multiplication 5. televise 12. division 19. bounty 6. television 13. beauty 20. bountiful 7. apply 14. beautiful Challenge Words 21. exception 22. explanation 23. ambassador 24. delegate 25. convention Lesson 29, Lewis and Clark Words with three syllables 1. industry 8. horizon 15. average 2. buffalo 9. favorite 16. period 3. exciting 10. library 17. amazement 4. terrible 11. substitute 18. bicycle 5. electric 12. typical 19. conference 6. dangerous 13. dinosaur 20. family 7. exercise 14. curious Challenge Words 21. numerous 22. exhaustion 23. customary 24. persistent 25. reunion Lesson 30, Black Frontiers Words from Spanish 1. canyon 8. mosquito 15. bonanza 2. tornado 9. plaza 16. avocado 3. breeze 10. pueblo 17. mesa 4. cafeteria 11. chili 18. burro 5. coyote 12. alligator 19. enchilada 6. tomato 13. rodeo 20. burrito 7. barbecue 14. patio Challenge Words 21. yucca 22. hurricane 23. chaps 24. arroyo 25. matador