Cov txheej txheem:
Video: Dab tsi yog qhov zoo tshaj plaws science ncaj ncees rau cov tub ntxhais kawm qib 4?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
30 Qhov Zoo Tshaj Plaws Qib 4 Kev Tshawb Fawb Txog Kev Tshawb Fawb thiab Kev Ua Si
- Erupt ib tug txiv qaub volcano. Thaum ntxov chemistry kev sim nrog acids thiab bases yeej ib txwm muaj kev lom zem heev.
- Tsim ib lub hovercraft.
- Kawm txog kev ua ntawm capillary.
- Ua tus wigglebot.
- Tshawb nrhiav seb puas siab puas ntsws ua haujlwm tiag tiag.
- Tsim lub teeb ua haujlwm.
- Loj hlob crystal npe.
- Siv tshuaj txhuam hniav ntxhw.
Tom qab ntawd, dab tsi yog qee qhov kev tshawb fawb ncaj ncees rau cov tub ntxhais kawm qib 4?
Science Fair Projects rau qib 4
- Salty Cave Crystals. Loj hlob koj tus kheej ntsev stalagmites thiab stalactites hauv koj chav ua noj!
- Lub ntsws Model. Xav paub seb lub cev sab hauv ntawm koj lub cev ua haujlwm li cas?
- Khawv koob huab.
- Khawv koob Dej Barrier.
- Egg Drop Project.
- 12 Replies rau "Science Fair Projects for 4th Grade"
Ib sab saum toj no, dab tsi yog qhov kev kawm ncaj ncees tshaj plaws? Nov yog qee qhov kev tshawb fawb ncaj ncees uas ua rau muaj kev sib tw ntau rau cov nyiaj.
- Baking Soda thiab Vinegar Volcano.
- Mentos thiab Soda Fountain.
- Invisible Ink.
- Crystal Loj hlob.
- Zaub roj teeb.
- Cua Zog.
- Dej Electrolysis.
- Plant Science.
Ib yam li ntawd, tej zaum koj yuav nug, dab tsi yog qhov zoo thiab yooj yim science ncaj ncees project?
Qib Kindergarten-1st Qib
- Lemon Volcano. Hla lub roob hluav taws vinegar thiab sim kua txiv qaub!
- DIY Bouncy Pob. Kawm txog cov polymers thaum ua cov khoom ua si DIY!
- Ci ntsa iab Pennies. Ib qho kev sim classic uas cov menyuam nyiam yog Shiny Pennies.
- Regrow Zaub Scraps.
- DIY Stethoscope.
- Simple Circuit.
- Chromatography Npauj Npaim.
- Tshawb nrhiav qhov ntom ntom nrog ntsev.
Cov txheej txheem scientific qib 4 yog dab tsi?
Cov txoj kev tshawb fawb yog txhais ua a txoj kev ntawm kev tshawb fawb nyob rau hauv uas ib qho teeb meem raug txheeb xyuas, cov ntaub ntawv tseem ceeb tau sau, ib qho kev xav yog tsim los ntawm cov ntaub ntawv no, thiab qhov kev xav yog kev sim empirically. Thaum koj khiav cov kev sim koj tuaj yeem hloov koj qhov kev kwv yees, lossis kev xav, kom haum koj cov txiaj ntsig.
Pom zoo:
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Dab tsi yog qhov yuam kev loj tshaj plaws yog tias Irina ntsuas qhov ntev ntawm nws lub qhov rais li 3.35 feet qhov yuam kev loj tshaj plaws yog taw?
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Dab tsi yog qhov ceev rau cov tub ntxhais kawm qib 5?
Ntawm no yog li cas ib txhia sis thib 5 ntawd cov kawm qib muaj hais txog kev ceev: Araceli: Ceev txhais: ceev yog yuav ua li cas nruj nreem pob tus hais yog nyob rau hauv ib tug kwv. Yog li yog tias koj muab ib yam khoom tso rau hauv dej thiab ntab nws yog qhov ntom ntom dua li dej. Hailey: Muaj ntau ntau yam uas koj tuaj yeem ntsuas kom pom qhov ntom