Kev sim tshuaj rau cov me nyuam hauv tsev
Txawm nyob hauv kindergarten cov menyuam yaus nyiam ua tej yam zoo li no. Tsis txhob hnov qab tias kev qhia txog kev lom zem rau cov menyuam yaus, koj yuav tsum tau ceev faj thiab soj ntsuam kev ruaj ntseg. Txawm hais tias siv cov tshuaj yeeb dej caw yuav tsis ua rau muaj kev cuam tshuam txog kev raug mob rau cov neeg koom tes, los ntawm cov menyuam yaus hnub nyoog yuav tsum raug qhia kom paub coj tus cwj pwm zoo li cas. Koj tuaj yeem hloov qhov txheej txheem tag nrho rau txoj kev los yog lub chav ua noj, tab sis nyob hauv qhov chaw nyob nws yog qhov zoo dua tsis txhob sim.
Tham nrog cov dej khov qhuav rau me nyuam yaus
Cov tshuaj carbon dioxide, los yog nws tseem hu ua cov dej khov qhuav, tsis yog siv cov dej qab zib thiab dej khov xwb, tab sis kuj rau cov kev tshawb nrhiav cov neeg tshawb nrhiav. Cov koos poom, uas yuav tsum tau thauj mus los thiab khaws cia rau hauv cov ntim tshwj xeeb, yuav tau muas ntawm cov khw muag khoom tshwj xeeb. Cov khoom siv feem ntau yog siv rau hauv kev sim rau cov menyuam hauv tsev.
- Qhov kev ua kom yooj yim nrog cov nab kuab qhuav yog txo nws mus rau hauv ib lub taub ntim nrog dej txias los yog dej kub. Nyob rau hauv qhov no, cov khoom yuav ua gaseous thiab ntau dua cov dej kub, lub zog qhov kev ntsuas cov tshuaj.
- Cov kev paub zoo heev rau cov menyuam hauv tsev yuav muaj kev cobphum rau. Yog tias koj poob rau hauv dej nrog cov dej khov me ntsis rau cov tais diav, ces tam sim ntawd hlob zoo nkauj npuas, uas tuaj yeem nqa tuaj.
Kev sim nrog starch rau menyuam yaus
Tsis txhob chim siab yog tias koj tsis muaj dej khov ntawm tes, vim koj tuaj yeem ua kom zoo dua yog dab tsi nyob hauv chav ua noj ntawm txhua tus niam tsev. Piv txwv, kev lom zem rau me nyuam hauv tsev yuav ua tau siv qos yaj ywm starch:
- Qhov simplest tshaj plaws uas yuav ua tau nrog starch yog mus tsuas nws nrog iodine. Ua li no, dilute lub starch nyob rau hauv dej thiab drip rau nws nrog ib tug antiseptic pipette. Cov kua hloov xiav.
- Tej kev tshwm sim rau cov menyuam hauv tsev tsis pub tsuas yog rau cov menyuam nyiam xwb, tab sis kuj yuav tsum tau ntxiv cov nyiaj txiag ntawm lawv txoj kev paub. Ua li no, koj yuav tsum tau txiav nyob rau hauv ib nrab qos yaj ywm thiab dib. Nyob rau hauv nruab nrab ntawm qhov pieces koj yuav tsum tau drip lub iodine. Nyob rau hauv rooj plaub no, lub qos yaj ywm tig xiav, thiab lub dib yuav muaj ib lub xim liab xim liab vim hais tias ntawm tsis muaj starch nyob rau hauv nws.
Kev sim nrog mis nyuj rau menyuam yaus
Nws puas siv tau yooj yim nyuj mis nyuj qov txawv, thiab tsis yog rau lub hom phiaj twg? Teb zoo! Lus hauv no teb Naturally, yog, thiab xws li kev sim yuav nthuav rau cov me nyuam hnub nyoog kawm ntawv:
- Kev sim nrog mis nyuj tom tsev yeej yooj yim heev, tab sis lawv tsis paub tsawg dua. Tus ntse lo yog dipped hauv cov mis nyuj thiab sau ntawv zais cia. Tom qab ziab nws yuav tsum tau ironed los ua ntawv.
- Tam sim no koj xav tau dyes thiab kua tshuaj ntxuav tes. Nyob rau hauv ib phaj ntawm mis nyuj rau ob peb tee ntawm xim tsev, thiab nyob rau hauv qhov chaw muab ib tug dot nrog ib tug paj rwb swab dipped nyob rau hauv ib tug detergent. Iridescent stains tshwm sim vim qhov tseeb tias cov tshuaj ua rau cov roj rov tawm ntawm nws tus kheej, thiab cov xim pleev xim nws pom.
Cov kev sim ntawm cev rau cov menyuam hauv tsev
Tsuas tsis yog chemistry thiaj yog kev txaus siab rau menyuam yaus. Boring physics tuaj yeem "rov ua dua tshiab" thiab muaj ntau cov kev sim rau cov menyuam hauv tsev yuav tau txais txiaj ntsig. Txhua yam uas tus me nyuam paub txog, tab sis tsis tuaj yeem pom nrog nws lub qhov muag, tuaj yeem raug coj los siv ua ke nrog kev pab los ntawm cov kev sim yooj yim thiab kev ntsuam xyuas. Raws li nrog chemistry, kev ruaj ntseg ntawm cov me nyuam yuav tsum raug tswj los ntawm cov laus.
Kev sim nrog cua rau menyuam yaus
Muaj ntau yam kev sim uas koj tuaj yeem nkag siab txog tias huab cua tsis zoo nyob rau ntawm lwm yam khoom:
- Yog hais tias koj noj ob daim iav, ib qho ntawm pob tawb, thiab muab tso rau hauv dej, ces lub "liab qab" yuav tsum poob deb. Qhov ib uas "hnav khaub ncaws" yuav nyob saum npoo ua tsaug rau huab cua, uas nyob rau hauv daim ntawv ntawm me me npuas, pom nyob rau hauv loj qhov ntau nyob rau ntawm daim tawv nqaij ntawm lub txiv hmab txiv ntoo.
- Cov kev sim uas nthuav nrog cov huab cua rau menyuam yaus yuav tsum muaj kev nyab xeeb, xws li qhov uas tsuas yog siv pob thiab lub raj mis xwb. Ntawm lub thoob yas, muab lub pob tso rau thiab txo qis hauv qab dej hauv qhov dej sov . Thaum cov huab cua nyob hauv lub raj mis rhaub, cua yuav ua kom dav, thiab lub zais pa tshuab.
Kev sim nrog suab rau menyuam yaus
Txhua leej txhua tus hnov lub suab ntawm cua, tab sis tsis muaj leej twg pom nws, vim hais tias lub suab yog pom. Tab sis muaj ntau cov kev sim rau me nyuam uas yuav cia koj sim ua nrog nws thiab kawm ntau yam tshiab. Koj tuaj yeem ua lawv ob nrog cov menyuam los ntawm kindergarten, nrog rau cov tub ntxhais kawm ntawm cov laus thiab cov kawm qib siab. Rau qhov no, tsis muaj cov cuab yeej tshwj xeeb, vim hais tias txhua yam yog tsim nyog hauv txhua lub tsev:
- Ib lub suab zoo nkauj tuaj yeem tau nrog kev pab ntawm iav qhov muag. Koj yuav tsum siv ob peb daim qauv sib txawv thiab ntau thiab ua rau lawv muaj dej. Tom qab ntawd nrog tus ntiv tes ntub koj yuav tsum tsav tsheb los ntawm kev siv lub suab nrov txawv.
- Kev txawj rau menyuam yaus hauv tsev - nws yooj yim. Koj yuav tsum nqa ib lub khob yas thiab txiav nws hauv ib nrab. Tom qab nws yog dipped nyob rau hauv ib tug detergent. Tom qab ntawd, lub nplhaib yuav tsum coj mus rau lub suab paj nruag. Thaum lub suab paj nruag yog nyob ntsiag to - zaj yeeb yaj kiab yuav vibrate, thiab nrog lub suab bass - puff.
Kev sim nrog cov hlau nplaum rau cov me nyuam
Polarity yog ib lub tswvyim tsis meej rau tus menyuam. Tab sis yog tias peb qhia rau hauv kev xyaum li cas ntxiv rau thiab rho tawm kev ua, ces, tej zaum, cov niam txiv yuav xav li ntawd rau lawv tus me nyuam tias ib tus paub zoo txog physicist yuav loj hlob tawm ntawm nws. Cov kev sim zoo li no rau cov menyuam yaus siv tau los ua cov tshooj lus ntxiv:
- Ntawm lub rooj koj yuav tsum tau nchuav ib lub puv tes ntawm me me carnations los yog koob, thiab muab tso rau hauv ib lub pob zeb loj hauv qab rooj saum toj. Tig nws, lub carnations pib "seev cev".
- Yog hais tias peb siv ob lub hlau nplaum thiab coj lawv los ze zog ua ke, lawv yuav tsum nyiam yog tias muaj cov polarities sib txawv, thiab yog tias lawv zoo li qub, lawv yuav tsum repelled.
Kev paub txog hluav taws xob rau me nyuam
Txhua tus niam txiv qhia nws tus menyuam txog kev ua haujlwm ntawm hluav taws xob. Tab sis yog hais tias nws tsis yog 220 volts, ces cov kev sim no nrog hluav taws xob hluav taws xob rau cov me nyuam muaj kev tsis zoo thiab txawm pab tau rau txoj kev loj hlob:
- Noj ib qho zais zis zom zaws nws yuav tsum tau muab pov npuas nrog ib tug npauj npaim, muab tus nqi zoo. Charged nyob rau hauv no txoj kev, nws muaj peev xwm kos rau nws tus kheej txhua yam uas muaj ib tug tsis zoo nqi - plaub hau, poppy noob thiab khoom.
- Cov me nyuam yaus yuav nyiam saib tus menyuam kawm ntawv seev cev. Ua li no, txiav tawm cov ntawv me me thiab muab lawv nto. Tom qab so cov yas yas los yog zuag rau ib daim ntaub plaub, koj yuav tsum tau txo nws tshaj qhov khoos kas. Magnetizing, lawv pib circling hauv cov seev cev.