Cov Kev Tshawb Fawb Zoo Tshaj Plaws rau Cov Me Nyuam
Science yog ib yam kev kawm uas tsis yog tsuas yog nthuav tab sis kuj fascinating. Nws qhib qhov muaj peev xwm tshiab thiab txhawb kom cov menyuam tshawb nrhiav lub ntiaj teb nyob ib puag ncig lawv. Kev sim kev tshawb fawb rau cov menyuam yaus tuaj yeem pab lawv nkag siab tias yam ua haujlwm li cas, txhim kho kev xav zoo, thiab tsim kom muaj kev xav paub hauv lawv. Nov yog xya qhov kev sim zoo tshaj plaws thiab yooj yim rau cov menyuam yaus uas tsis yog yooj yim ua tab sis kuj lom zem. Cia peb tham txog txhua yam ntawm lawv kom ntxaws.
1. Volcano Experiment
Qhov kev sim volcano yog ib qhov project science classic uas zoo meej rau cov menyuam yaus. Nws yog ib txoj hauv kev lom zem los ua kom pom tias cov tshuaj lom neeg muaj peev xwm ua rau muaj kev cuam tshuam li cas. Koj yuav xav tau baking soda, vinegar, thiab ib lub raj mis yas. Pib los ntawm pouring ib co ci dej qab zib rau hauv lub raj mis, thiab ces ntxiv ib co vinegar. Koj yuav pom qhov tshwm sim tshwm sim thaum vinegar thiab ci dej qab zib ua ke. Qhov no tsim cov pa roj carbon dioxide, uas ua rau tawg. Cov menyuam yaus tuaj yeem kawm txog cov tshuaj lom neeg thiab cov khoom ntawm carbon dioxide los ntawm qhov kev sim no.
2. Kev sim Balloon Blow-Up
Qhov kev sim no yog ib txoj hauv kev zoo los qhia me nyuam txog huab cua. Koj yuav xav tau lub zais pa, lub raj mis yas, thiab lub funnel. Pib los ntawm tshuab lub zais pa thiab tom qab ntawd txuas mus rau lub funnel. Tom ntej no, tso lub funnel hla lub qhov ncauj ntawm lub raj mis thiab cia lub zais pa kom deflate. Raws li huab cua tawm hauv lub zais pa, nws tsim lub tshuab nqus tsev uas rub cov cua mus rau hauv lub raj mis. Qhov no ua rau lub zais pa rov ua dua. Los ntawm qhov kev sim no, cov menyuam yaus tuaj yeem kawm txog cov khoom ntawm huab cua thiab seb huab cua ua haujlwm li cas.
3. Zaj sawv kev sib tw
Qhov kev sim no yog ib txoj hauv kev zoo los qhia me nyuam txog kev ceev. Koj yuav xav tau ib lub khob ntshiab, zib ntab, tais xab npum, dej, thiab xim zaub mov. Pib los ntawm nchuav zib mu rau hauv khob thiab tom qab ntawd ntxiv ib co tshuaj ntxuav tais diav. Tom ntej no, ntxiv ib co dej thiab ob peb tee ntawm zaub mov xim. Cov kua sib txawv yuav sib cais rau hauv cov khaubncaws sab nraud povtseg raws li lawv qhov ntom ntom, tsim cov nyhuv zaj sawv. Los ntawm cov kev sim no, cov menyuam yaus tuaj yeem kawm paub txog cov tswv yim ntawm qhov ceev thiab nws cuam tshuam li cas nws cuam tshuam rau txoj hauv kev ua kua.
4. Solar Oven Experiment
Qhov kev sim no yog ib txoj hauv kev zoo los qhia me nyuam txog hnub ci zog. Koj yuav xav tau ib lub thawv ntawv, aluminium ntawv nyiaj, yas qhwv, thiab ib daim ntawv siv dub. Pib los ntawm txheej sab hauv ntawm lub thawv nrog aluminium ntawv ci thiab tom qab ntawd npog sab saum toj nrog yas qhwv. Tom ntej no, muab cov ntawv siv dub tso rau hauv lub thawv thiab muab tso rau hauv lub hnub. Daim ntawv dub yuav nqus cov cua sov los ntawm lub hnub thiab ua kom sov rau sab hauv lub thawv. Los ntawm qhov kev sim no, cov menyuam yaus tuaj yeem kawm txog lub tswv yim ntawm lub hnub ci zog thiab nws tuaj yeem siv tau li cas.
5. Kev Sib Nrauj Sib Nqus
Qhov kev sim no yog ib txoj hauv kev zoo los qhia me nyuam txog kev sib nqus. Koj yuav xav tau cov hlau nplaum thiab qee yam khoom me me, xws li cov ntawv clips lossis cov ntsia hlau. Pib los ntawm kev tso cov hlau nplaum rau ntawm qhov chaw tiaj tus, thiab tom qab ntawd muab cov khoom hlau nyob ib ncig ntawm nws. Cov hlau nplaum yuav nyiam cov khoom siv hlau, ua kom pom cov khoom ntawm cov hlau nplaum. Los ntawm qhov kev sim no, cov menyuam yaus tuaj yeem kawm txog cov khoom ntawm cov hlau nplaum thiab lawv siv li cas hauv lub neej txhua hnub.
6. Elephant Toothpaste Experiment
Qhov kev sim no yog ib txoj hauv kev zoo los qhia cov me nyuam txog tshuaj lom neeg. Koj yuav xav tau hydrogen peroxide, tshuaj ntxuav tais diav, xim zaub mov, thiab poov xab. Pib los ntawm kev sib tov cov hydrogen peroxide, tshuaj ntxuav tais diav, thiab xim zaub mov ua ke hauv lub raj mis. Tom ntej no, ntxiv ib co poov xab rau qhov sib tov thiab saib raws li cov tshuaj tiv thaiv tshwm sim, ua rau cov sib tov ua npuas ncauj zoo li cov tshuaj txhuam hniav. Los ntawm qhov kev sim no, cov menyuam yaus tuaj yeem kawm txog cov khoom ntawm cov tshuaj tiv thaiv thiab qhov tseem ceeb ntawm kev nyab xeeb thaum ua qhov kev sim
7. Tsim ib lub Catapult
Tsim lub catapult yog ib qho kev sim kev lom zem uas tuaj yeem qhia cov menyuam txog physics. Txhawm rau tsim lub catapult, koj yuav xav tau popsicle sticks, rubber bands, ib rab diav yas, thiab cov khoom me me xws li marshmallows lossis pom-poms. Ua ntej, tsim ib lub hauv paus los ntawm stacking ob popsicle sticks thiab qhwv ib tug roj hmab band nyob ib ncig ntawm lawv. Tom qab ntawd, tsim ib sab caj npab los ntawm kev txuas ib qho popsicle stick rau hauv paus nrog ib lub hnab roj hmab. Txuas lub diav yas mus rau qhov kawg ntawm caj npab, thiab tom qab ntawd siv nws los tua cov khoom me me.
8. Skittles Experiment
Koj tau ua dab tsi yog tias koj tsis tau ua qhov kev sim classic skittles? Maj mam ncuav tshaj skittles ntawm ib yam dab tsi zoo li lub phaj thiab saib raws li cov xim ci yaj los ntawm skittles rau hauv dej. Sim sim nrog ntau yam dej kub thiab txawm tias khoom qab zib ntawm ntau yam. Lwm qhov kev tawm tswv yim yog sim nrog cov khoom qab zib chromatography yog tias koj tseem muaj qee qhov skittles thaum kawg.
9. Chromatography
Ntau yam xim dyes tuaj yeem pom sib cais siv chromatography. Txhua yam koj xav tau yog qee cov ntawv lim dej, dej, thiab cov cwj mem uas tsis tuaj yeem ntxuav. Nws yog ib qho zoo heev, muaj yeeb yuj science project rau cov hluas. Kev siv cov khoom qab zib rau qhov chaw ntawm cov cwj mem zoo li yuav ua rau muaj kev lom zem kov rau qhov project no. Thaum lawv nce mus rau daim ntawv lim, saib seb cov khoom qab zib xim txawv li cas.
10. Seed Germination Experiment
Cov menyuam yaus tsis tshua nyiam tshuaj lom neeg hauv lawv qhov kev sim kev tshawb fawb. Cov menyuam yaus yuav muaj sijhawm zoo ua qhov kev sim kev tshawb fawb no vim lawv tuaj yeem pom cov noob loj hlob rau lawv tus kheej. Txawm hais tias nws yog qhov yooj yim los hloov cov xwm txheej ntawm cov noob, nws kuj yog ib qho kev sim zoo heev los qhia cov me nyuam txoj kev tshawb fawb.
Kev Tshawb Fawb Kev Tshawb Fawb - Ib Qhov Kev Lom Zem
Hauv kev xaus, cov phiaj xwm kev tshawb fawb rau cov menyuam yaus yog qhov kev lom zem thiab kev kawm qhia lawv txog lub ntiaj teb nyob ib puag ncig lawv. Tsib qhov kev sim kev tshawb fawb no tsuas yog qee qhov piv txwv ntawm ntau qhov kev sim uas tuaj yeem ua hauv tsev lossis hauv chav kawm. Cov tswv yim ncaj ncees no yog qhov yooj yim txaus rau cov menyuam yaus ua lawv tus kheej tab sis kuj nyuaj txaus los qhia cov ntsiab lus tseem ceeb ntawm kev tshawb fawb. Yog li, lob qee cov ntaub ntawv thiab pib sim!
FAQ:
Q1. Dab tsi yog qee qhov kev sim tshawb fawb yooj yim rau cov menyuam yaus?
Muaj ntau qhov kev sim yooj yim rau cov menyuam yaus uas tuaj yeem ua tau hauv tsev lossis hauv chav kawm. Ib qho kev sim yooj yim yog ua lub roob hluav taws uas siv baking soda thiab vinegar. Lwm qhov kev sim yooj yim yog tsim cov hlau nplaum nrog lub roj teeb, ntsia hlau, thiab tooj liab hlau. Cov menyuam yaus tuaj yeem loj hlob paj siv lead ua siv borax thiab cov kav dej los yog tsim lub hnub ci qhov cub siv lub thawv pizza, aluminium ntawv ci, thiab qhwv yas. Cov kev sim no lom zem thiab kev kawm thiab tuaj yeem pab txhawb kev hlub rau kev tshawb fawb hauv cov menyuam yaus.
Q2. Lub hnub nyoog li cas yog cov kev sim kev tshawb fawb no haum rau?
Cov kev sim kev tshawb fawb no tsim nyog rau cov menyuam yaus ntawm ntau lub hnub nyoog, nyob ntawm qhov nyuaj ntawm qhov kev sim. Kev sim hluav taws xob, kev sim siv lead ua paj, thiab kev sim hnub ci qhov cub yog qhov tsim nyog rau cov menyuam yaus hnub nyoog 6 xyoo thiab nce. Qhov kev sim electromagnet zoo dua rau cov menyuam yaus hnub nyoog 8 xyoo thiab siab dua, vim tias nws yuav tsum tau tuav cov ntaub ntawv ntau dua. Txawm li cas los xij, nrog kev saib xyuas cov neeg laus, cov kev sim no tuaj yeem hloov kho rau cov menyuam yaus thiab.
Q3. Cov kev sim no puas tuaj yeem ua tiav tom tsev?
Yog lawm, cov kev sim kev tshawb fawb no rau cov menyuam yaus tuaj yeem ua hauv tsev nrog cov khoom siv hauv tsev. Kev sim hluav taws xob, kev sim siv lead ua paj, thiab lub hnub ci qhov cub sim xav tau cov khoom siv hauv chav ua noj thiab cov khoom siv tes ua, thaum qhov kev sim electromagnet xav tau ob peb yam khoom ntxiv xws li tooj liab hlau thiab roj teeb. Nrog rau cov neeg laus saib xyuas, cov kev sim no tuaj yeem ua tau zoo nyob hauv ib puag ncig hauv tsev.
Q4. Cov kev sim no siv sijhawm ntev npaum li cas los ua kom tiav?
Lub sijhawm ntev ntawm cov kev sim yooj yim no rau cov menyuam yaus tuaj yeem sib txawv, nyob ntawm qhov nyuaj ntawm qhov kev sim thiab tus menyuam lub hnub nyoog thiab kev saib xyuas. Kev sim hluav taws xob hluav taws xob thiab siv lead ua paj sim tuaj yeem ua tiav hauv 30-60 feeb, thaum lub hnub ci qhov cub sim yuav siv sijhawm li ob peb teev kom tiav, vim nws xav tau lub hnub ci los ua zaub mov. Kev sim electromagnet tuaj yeem ua tiav hauv 15-30 feeb, nyob ntawm tus menyuam qhov kev txawj ntse thiab kev nkag siab.
Q5.Qhov kev sim no puas muaj kev nyab xeeb rau menyuam yaus ua?
Yog lawm, cov kev sim no muaj kev nyab xeeb rau cov menyuam yaus ua nrog cov neeg laus saib xyuas. Cov khoom siv hauv cov kev sim no yog cov khoom siv hauv tsev thiab feem ntau muaj kev nyab xeeb thaum ua haujlwm zoo. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum saib xyuas cov menyuam yaus thiab xyuas kom lawv ua raws li cov lus qhia kev nyab xeeb, xws li hnav looj tsom iav dub lossis hnab looj tes yog tias tsim nyog thiab tsis txhob noj cov khoom.