讲稿线下资源raz lvgems wksh

Name

Gems:TreasuresfromTheearTh•LeveLv•1

Instructions:Readeachstatementandpredictwhetheritistrueorfalseonthebasisofwhatyouknowaboutgems.Asyouread,confirmorreviseyourpredictioninthethirdcolumn.Ifyouneedtorevisethestatement,changeittoatruestatementandwriteitinthebox.Ifyouconfirmedyourprediction,writethepagenumberthatyoufoundtheansweron.

Statements

TorF?

ReviseorConfirmYourPrediction

1.Diamondsareformedbymineralsbeingsqueezedunderlayersofrock.

2.Arubyisacrystal.

3.Crystalsareformedbyvolcanoes.

4.Coralisagem.

5.Thewordcarat,whichreferstothesizeofthegem,comesfromthenameofthevegetable,carrot.

6.Clarityreferstothecolorofthegem.

7.Emeraldsarethehardestnaturalthingsintheworld.

8.Aflawedemeraldcanbeworthmorethanaperfectdiamond.

9.Culturedpearlsaremadebymachines.

SKILL:maKe,revISe,andconfIrmpredIctIonS

©LearningA–Zs .

ejewelry(p.10-12)

Howgems

Gems:TreasuresfromTheearTh•LeveLv•2

Instructions:Usetheboxesbelowtowritethecause-and-effectsequenceforeachprocess.Youcanlookbackinthebooktohelpyou.

Howsapphiresareformed(p.7)

Howopalsareformed(p.7)

Howamberisformed(p.9)

Howpearlsareformed(p.9)

SKILL:cauSeandeffect

©LearningA–Zs . Image:©SteveCole/Photodisc/GettyImages

Name

Instructions:Readthesentencesbelow.Intheblankontheright, lwhethertheyaresimple,complex,orcompound.Thencirclethepartsofthesentencesandlabelthemsubject,verb,phrase,orconjunction.

Gemsare

subject verb

beautiful,andtheyarevaluable.

compound

conjunction

subject

verb

Peoplewhocutgemsarecalledlapidaries.

Emeraldsareveryrare.

Gems:TreasuresfromTheearTh•LeveLv•3

Diamondsarethehardestthingsonearth,andnothingelsecanscratchthem.

Pearls,whichareorganicgems,forminsideoysters.

SKILL:SentencetypeS

Thebrilliantcuthasmanyfacets.

©LearningA–Zs .

Images:left:courtesyofUSGS;

center:©SiedePreis/Photodisc/GettyImages;right:©LearningA-Z

Name

Gems:TreasuresfromTheearTh•LeveLv•4

Instructions:BelowarewordstakenfromGems:TreasuresfromtheEarth.Cutalongthedottedlinestoseparatetheboxes.Thenmovetheboxesaroundonyourdesktoarrangethewordsinalphabeticalorder.Thenwritethewordsinalphabeticalorderonthelinesbelow.

mixed

streak

strong

minerals