nature nectar pest seed harmful pollen What do you already know about insects? Check up your prior knowledge about insects.

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1 We Need Insects!

2 Building Bckground Wht Are Insects? Vocbulry Insects, The Erth Needs Insects & Insects Help Plnts Grow Wht do you lredy know bout insects? Check up your prior knowledge bout insects. Write bout insects body prts. Red the definitions nd write the words from the Word Bnk. [ Word Bnk ] seed pollen nectr pest hrmful nture Write bout insects life cycle. Write nmes of helpful insects for us. 1. everything in the physicl world such s wild plnts, nimls nd the wether 2. the sweet liquid tht bees collect from flowers 3. smll niml or insect tht destroys crops or food supplies nture nectr pest Write nmes of hrmful insects to us. 4. smll, hrd object produced by plnts, from which new plnt of the sme kind grows 5. cusing or likely to cuse hrm seed hrmful 6. fine powder produced by flowers, which is crried by the wind or by insects pollen Write prgrph bout insects using the informtion from the chrt tht you completed bove. Circle the synonym of the underlined words. 1. Mny insects re food for other living things, while some insects keep the soil helthy. bite stop prevent mintin 2. Some pests dmge plnts. hurt help good et 2Four Corners Workbook We Need Insects3

3 Comprehension Insects & The Erth Needs Insects Comprehension Insects Help Plnts Grow Red the prgrph nd circle the nswer. Circle the nswer. Insects re n importnt prt of nture. Some insects help plnts grow nd some et other hrmful insects. Mny insects re food for other living things, while some insects keep the soil helthy. Others help mke things we use.. 1. Which insects fly from flower to flower? mosquitoes phids butterflies nts 2. Why do some insects fly from flower to flower? 1. Wht is the prgrph bout? to build their houses to et fruits to ly their eggs to spred pollen insects living things nture the Erth 3. Wht is the powder on flower? 2. Wht is the min ide of this prgrph? seed pollen pest nectr Mny insects re very hrmful. Insects re n importnt prt of nture. Some nimls et insects. We don t et insects. 3. Wht sentence might fit in the blnk? 4. How do insects help plnts grow? Insects move the body of grsshopper. Insects spred pollen while they fly from flower to flower. Insects sip nectr. Insects give plnts wter nd nutrients. Insects re useless. We hve to et insects. We like insects. We need insects. 4. Wht might the next prgrph be bout? why insects bite humns hrmful insects nd helpful insects when living things et insects why people et insects Rered Book pges 6 to 7 nd write bout how insects spred pollen. When insects lnd on flower, pollen sticks to their bodies. When insects fly from to flower, they spred the pollen. 4Four Corners Workbook We Need Insects5

4 Vocbulry Helpful Insects & Insects Help the Soil Comprehension Helpful Insects (1) Complete the word puzzle using the Word Bnk. Circle the nswer. t t r c t p h b i u d m g e e w l r v s p r e d t e e s o i l t 1. Wht re the insects clled tht re helpful to humns? beneficil insects hrmful insects ldybirds phids 2. Which is true bout predtors? Most hrmful insects re predtors. Most frmers do not like predtors. Mosquitoes re gret predtors. Mny beneficil insects re predtors. Look t the picture nd circle the nswer. o r Across 1. type of smll insect tht feeds on the juices of plnts 3. the food tht you et 5. substnces tht re left fter people hve used something 6. smll niml or insect tht destroys crops or food supplies 8. smll insect 6Four Corners Workbook Down 1. to mke someone interested in something 2. to cuse physicl hrm to something or to prt of someone's body 4. young insect with soft tube-shped body 6. n niml tht kills nd ets other nimls 7. the top lyer of the erth in which plnts grow [ Word Bnk ] wste soil phid bug dmge mel pest lrv ttrct predtor 1. The prying mntis sees the fly. 2. It pounces nd the fly. 1. Wht does the picture show us? why predtor ctches food how predtor ctches food when predtor ctches food who sees predtor 2. Which word goes in the blnk? ctches spreds flies ets We Need Insects7

5 Comprehension Helpful Insects (2) Comprehension Insects Help the Soil Circle the nswer. Circle the nswer. 1. Why do frmers like to hve predtor insects in their fields? Becuse they do not need to use chemicls to kill pests. Becuse predtor insects ly lot of eggs. Becuse they do not need to use fertilizers. Becuse they spred lot of pollen. 1. Wht nimls et ded plnts, nimls nd niml wste? predtors phids decomposers prsites 2. Which nimls et insects? 2. Wht nimls live in or on nother living things? predtors prsites nectr phids tigers nd lions hres nd rbbits cts nd dogs bts nd frogs Red the prgrph nd circle the nswer. Write nswers in your own words. Animls re not the only ones who et insects. People do, too. In mny plces people fest on ll kinds of insects. Mny of these insects people with helthy food. 1. Rered Book pge 10 nd write bout how prsites cn kill hrmful insects. They ly eggs on or in pest insects. The eggs htch into lrve or young insects. As lrve grow, they et the pest insect. 2. Rered Book pge 11 nd write bout how frmers cn bring beneficil insects to their grdens. They ttrct the beneficil insects by growing certin plnts nd flowers tht the insects would like. 1. Wht is the min ide of the prgrph? Mny nimls et insects. People do not et insects. People lso et insects. Animls re not predtors. 2. Wht word goes in the blnk? increse prepre mke provide 8Four Corners Workbook We Need Insects9

6 Vocbulry Things We Use, Insects Are Beutiful & We Need Insects Comprehension Things We Use Write the words from the Word Bnk under the correct ctegory. Write the correct words from the Word Bnk to mtch the pictures. [ Word Bnk ] grden silk red dye cochinel insect honey mzing bee silkworm beeswx beutiful Products Tht Come From Insects Insect Products Write 3 words. Words Relted to Insects Products Tht Come from Insects Write 4 words. Bee honey beeswx cochinel insect bee silkworm silk red dye bee wx honey Sikworm silk Words Relted to Describing Something Write 3 words. Write 3 words. Word Relted to Plce Cochinel insects mzing beutiful grden red dye [ Word Bnk ] silk red dye silkworm bee honey beeswx cochinel insect 10Four Corners Workbook We Need Insects11

7 Comprehension Insects Are Beutiful & We Need Insects Finl Test (1) Red the prgrph nd circle the nswer. Mny people think insects re beutiful. Some people collect them. The different colors, shpes nd sizes of insects re mzing. Mny zoos hve grdens where people cn see the beuty of insects. 1. Which insect is pest? mosquito ldybird 2. Which is true bout pests? butterfly bee 1. Wht is the best title for the prgrph? The Erth Needs Insects Insects Are Beutiful Insects Help Plnts Grow Predtors nd Prsites 2. Wht is the synonym of the underlined word? scry surprising ugly certin They et t lest 50 phides dy. They re helpful to people, plnts nd other nimls. They re hrmful to people, plnts nd other nimls. They spred pollen by flying from flower to flower. 3. Why do we need pests? Becuse pests bite humns nd nimls. Becuse pests re often food for helpful insects. Becuse pests re very helpful to plnts. Becuse pests dmge plnts. 4. Which insects re helpful to plnts? Rered Book pge 22 nd write four things bout how the life would be like without insects in your own words. bees pests mosquitoes phids 1 Some plnts might not produce mny fruits nd vegetbles. Mny plnts 2 Mny plnts might be dmged or destroyed. 3 Ded plnts nd nimls might sty on the ground longer. 4 People wouldn t hve mny things tht we use everydy. 5. Why re ldybirds helpful to plnts? Becuse they et prying mntis nd flies. Becuse they et swflies. Becuse they et mosquitoes tht bite humns. Becuse they et phides tht cn dmge whole plnt. 12Four Corners Workbook We Need Insects13

8 Finl Test (2) Grmmr Nouns nd Verbs (1) Look t the picture nd circle the nswer. Circle the correct verb to complete ech sentence. The ichneumon wsp lys its eggs in swfly lrve. swfly lrv ichneumon wsp The wsp uses long, thin tube to push n egg into the lrv in the wood. 1. A cow wter. drink runs drinks run 2. Chicks wy. swim swims run runs 3. The pigs in mud. sits sit is et 1. Wht does the picture show us? 4. One ct in the kitchen. sleep re sleeps sit when the ichneumon wsp lys its eggs in swfly lrv why the ichneumon wsp lys its eggs in swfly lrv how the ichneumon wsp lys its eggs in swfly lrv how long the ichneumon wsp lys its eggs in swfly lrv 2. Why re swflies hrmful to plnts? Becuse they et phids in the trees. Becuse they et wood nd dmge trees. Becuse they bite plnts. Becuse they spred pollen from flower to flower. 3. Write bout how the ichneumon wsp lys its eggs in your own words. The ichneumon wsp uses long, thin tube to push n egg into the lv in the wood. Circle the correct verb to complete ech sentence. 1. The silkworm mke mkes cocoon of silk. 2. Some insects help helps plnts grow nd some et other hrmful insects. 3. Plnts need needs pollen to mke seeds which grow into new plnts. 4. The wsp use uses long, thin tube to push n egg into the lrv in the wood. 14Four Corners Workbook We Need Insects15

9 Grmmr Pronouns nd Verbs (2) Writing Products Tht Come from Insects Circle the correct verb to complete ech sentence. 1. They to school. drink wlk drinks wlks Nme Choose product tht comes from insects nd complete fct file bout it. 2. She bll. brings runs bring run Where does it come from? 3. He bckpck. writes wers write wer Wht do you use it for? 4. It for the children. stop give stops gives Wht is n interesting fct bout tht insect? Circle the correct verb to complete ech sentence. 1. When they lnd lnds on flower, pollen sticks to their bodies. Write prgrph using the informtion from the chrt tht you completed bove. 2. As the lrve grow, they et ets the pest insects. 3. They ttrct ttrcts the insects by growing certin plnts. 4. The silk protects the silkworm while it grow grows. 16Four Corners Workbook We Need Insects17

10 Listening Prctice MEMO Listen to the sentence nd fill in the blnks. Insects 1. re n importnt prt of nture. 2. We need insects to help plnts. ly 3. Mny prsites eggs on or in pest insects. 4. Insects re prt of dy s for mny. silkworms mel grow 5. If it were not for, we would not hve silk. nimls Listen to the prgrph nd fill in the blnks. 6. Some insects help plnts grow nd some et other insects. Mny insects 18Four Corners Workbook re food for other living things, some insects keep the soil. Others help mke things we use. We insects. Frmers 7. like to hve certin insects in their fields. If they do, they do not hve to use s mny chemicls to kill. used in frming cn be hrmful to people nd nimls. 8. Some insects hve lrge ppetites. Lcewing cn et hundreds of phids in dy. They lso like nd insect eggs. A hover fly cn et 50 phids dy, or 400 in its lifetime. An insect clled the bug is hunter. Assssin bugs feed on mny different insects. 9. Animls re not the ones who et insects. People do, too. In mny plces people on ll kinds of insects. of these insects people with helthy. 10. Wht would life be insects? Some plnts might not produce fruits nd vegetbles. Mny plnts might be or. Ded plnts nd nimls might sty on the ground. Some nimls might need to find other food. wouldn t hve mny of the things we use every dy. while need predtor pests hrmful Chemicls beneficil lrve cterpillrs lrv up to ssssin helthy only fest Mny provide food without s mny dmged destroyed longer People Let s Ply19

11 Four Corners WORKBOOK We Need Insects! Publisher Je-yoon Chung Mnging Director Hnnh Lee Senior Editor Jung-h Kim Project Editor Reese Ji Written by Jeong Hee Choi Proofred by Alwin G. Fontenot Recorded by Yesung Medi Tech Illustrted by Donghyun Lee Designed by DOD Design Printed by POD KOREA Copyright 2008 by Lnguge World Co., Ltd. All rights reserved. No prt of this publiction my be reproduced or distributed in ny form or by ny mens, or stored in dtbse or retrievl system, without the prior written consent of Lnguge World Co., Ltd., including, but not limited to, in ny network or other electronic storge or trnsmission, or brodcst for distnce lerning. First Edition in 2008 ISBN

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