Tsis zoo li kev tshawb fawb hauv tsev kawm theem nrab, tsev kawm ntawv qib siab biology yog kev sib koom tes. Cov kev sim no yog ib feem ntawm cov chav kawm biology, txawm tias lawv yog ib feem ntawm chav kuaj tswj, kev ncaj ncees science, lossis ib tus tub ntxhais kawm cov haujlwm. Tshawb nrhiav ob peb qhov kev sim siab hauv tsev kawm ntawv qib siab biology; thiab nrhiav cov tswv yim rau kev sim biology yooj yim thiab yooj yim los muab tso rau hauv koj cov ntaub ntawv kawm.
Examples of Biology Experiments for High School
Txawm hais tias koj tab tom nrhiav ib txoj haujlwm ncaj ncees los yog xav tau los tsim ib qhov project rau chav kawm, muaj ntau yam haujlwm biology rau cov hluas.
Qab Dissection
Kab Qav yog ib feem tseem ceeb ntawm tsev kawm ntawv qib siab biology. Yog ua tau, sim muab ob tus poj niam thiab txiv neej coj mus kuaj rau hauv chav kawm kom cov tub ntxhais kawm tuaj yeem pom cov qe thiab sib piv cov sab hauv rau txiv neej qav.
Txoj Kev Txiav Txim Siab
Cov tub ntxhais kawm theem siab tuaj yeem tau txais me ntsis squirmy txog Qav dissection. Muaj ib lub paj dissection xwb. Cov hluas tuaj yeem nrhiav thiab sau cov poj niam thiab txiv neej ntawm lub paj. Nws tuaj yeem lom zem rau cov tub ntxhais kawm theem siab los tshawb xyuas cov paj intricacies nyob rau hauv lub microscope.
Diversity Ntawm Cov Qauv Tsob Ntoo
Lwm qhov kev sim biology yooj yim suav nrog kev mus rau hauv koj qhov chaw ib puag ncig, xws li lub tiaj ua si hauv zos, txhawm rau soj ntsuam kev sib txawv ntawm cov qauv cog. Txhawm rau ua kom qhov kev sim kom ntxaws ntxiv, cov tub ntxhais kawm tuaj yeem rub cov qauv sau rau ntawm daim ntawv lim kom pom cov nroj tsuag twg muaj xim. Cov tub ntxhais hluas tuaj yeem ua haujlwm kom paub tias vim li cas qee cov nroj tsuag nthuav tawm qee yam xim.
Phototropism
Nws tuaj yeem ua kom pom kev pom cov menyuam yaus li cas phototropism cuam tshuam rau cov nroj tsuag. Lawv tuaj yeem teeb tsa kev sim los ntawm kev siv cov khoom sib txawv los cuam tshuam lub teeb. Lawv tuaj yeem pom tias cuam tshuam lub teeb cuam tshuam li cas rau kev loj hlob ntawm cov nroj tsuag.
Dej Los Ntawm Qhov Chaw
Dej nyob txhua qhov chaw. Hmoov tsis zoo, dej muaj ntau cov ntsiab lus thiab. Ib qho kev sim zoo yog sau cov qauv dej los ntawm ntau qhov chaw thiab saib lawv nyob rau hauv lub tshuab tsom. Tom qab ntawd cov tub ntxhais kawm tuaj yeem sib piv lawv cov txiaj ntsig thiab sim ua kom pom tias yog vim li cas qhov chaw muab dej yuav nthuav tawm cov kab mob ntau dua li lwm qhov xav tau.
Yeast Experiment
Lwm qhov kev sim muaj xws li noj ib daim khob cij los saib xyuas cov pwm uas loj hlob dhau ob lub lis piam.
Txoj kev xav
Txhua tus muaj lawv tus kheej saj. Hais lus! Qee tus neeg nyiam cov khoom qab zib thaum lwm tus nyiam qab zib. Tshawb nrhiav seb txhua tus pom tau saj ib yam thiab muaj qhov pib rau saj los ntawm kev ua ib qho kev sim hauv chav kawm.
Disinfectant Effectiveness
Puas xav paub tias tshuaj ntxuav tes zoo li cas ntawm kev tua kab mob? Kuaj! Loj hlob cov kab mob hauv lub tais Petri nrog rau daim ntawv soaked nyob rau hauv peroxide, dawb vinegar, so cawv, thiab lwm yam. Tshawb nrhiav seb lawv txhua tus ua haujlwm li cas los tiv thaiv kab mob loj hlob.
Pea Plant Genetics
Cov tub ntxhais kawm tuaj yeem tsim kho Mendel qhov kev sim tshuaj genetic pea cog. Los ntawm kev cog qoob loo cog qoob loo thiab muab piv rau lawv cov phenotypes, cov tub ntxhais kawm tuaj yeem txiav txim siab txhua tus niam txiv cov genotype.
Xov Xwm ntiv tes
Ntiv tes yog qhov zoo nkauj zoo nkauj ntawm tib neeg lub cev. Tsis tsuas yog koj tuaj yeem siv lawv qhib koj lub xov tooj, tab sis txhua tus yog qhov tshwj xeeb. Muab koj tus ntiv tes tso rau ntawm daim ntawv thiab tshuaj xyuas qhov sib txawv ntawm cov kab thiab arches ntawm koj cov ntiv tes. Sib piv cov ntiv tes ntawm txhua tus hauv chav kawm.
Sib piv Tsiaj thiab Nroj Tsuag
Kom nkag siab zoo dua cov tsiaj thiab cov nroj tsuag, cov tub ntxhais kawm tuaj yeem sib piv cov hlwb ntawm lawv lub puab tsaig mus rau cov hlwb los ntawm cov dos. Tsuas yog stain lub hlwb nrog iodine lossis lwm cov dye kom zoo dua pom cov qauv ntawm tes hauv lub tshuab tsom.
DNA Models
Tsim kom muaj tus qauv DNA yog ib txoj hauv kev zoo los pab cov tub ntxhais kawm nkag siab txog cov qauv thiab kev ua haujlwm ntawm DNA hauv cov noob caj noob ces. Cov tub ntxhais kawm tuaj yeem siv khoom qab zib, hlua, thiab txhuam hniav los txhim kho tus qauv tsim nyog ntawm ob chav helix qauv.
Lub raj mis dej
Ntau tus neeg rov ntim lawv lub fwj dej hauv tsev kawm ntawv theem siab. Tab sis lawv puas ntxiv cov kab mob lossis kab mob rau hauv lub raj mis? Puas yog refilling ib lub raj mis dej pov tseg muaj kev nyab xeeb? Kom cov tub ntxhais kawm ntawv nqa cov khob dej uas lawv siv thiab saib cov kab mob nyob ib ncig ntawm lub hau lossis ntawm lub raj mis.
Testing Hair
Cov tub ntxhais hluas siv cov khoom siv plaub hau ntau. Tab sis lawv puas ua haujlwm tiag tiag? Kom cov hluas hauv koj chav kawm coj ob peb yam ntawm lawv cov plaub hau. Saib dab tsi tshwm sim rau cov plaub hau thaum cov khoom siv plaub hau ntxiv.
Water Cycle
Kev nkag siab txog lub voj voog dej tsis nyuaj. Tab sis cov hluas tuaj yeem saib nws ua ntej los ntawm kev tsim ib qho kev sim dej. Tsuas yog kom lawv sau ib lub hnab ntim nrog dej thiab kaw nws rau lub qhov rais. Lawv yuav saib evaporation, condensation, thiab nag lossis daus hauv kev nqis tes ua.
Closed Ecosystem Bottle
Nws tuaj yeem nyuaj rau cov menyuam kawm ntawv xav txog tej yam uas muaj nws tus kheej ecosystem. Txawm li cas los xij, koj tuaj yeem siv lub raj mis yas los tsim qhov chaw kaw.
Field Survey Biology Experiment
Qhov kev sim no zoo heev vim nws pheej yig, yooj yim, thiab koj tuaj yeem ua tau ntau yam nyob ib puag ncig koj lub tsev kawm lossis xa cov tub ntxhais kawm nrog nws. Lub hom phiaj yog saib xyuas thaj chaw ib puag ncig lub sijhawm thiab saib xyuas cov qauv uas koj sau.
Materials Koj Yuav Xav Tau
Rau qhov kev sim no, koj yuav tsum lob:
- thawv los yog baggies los sau cov qauv
- Tweezers
- Gloves
- Stakes thiab hlua lossis cones pab kos ib cheeb tsam
- Paper or journals for sau ntawv
- Slides, slides cover, and a microscope
Cov Lus Qhia Saib Xyuas
Nco ntsoov tias koj yuav saib xyuas koj thaj chaw tau ob peb lub hlis, yog li xaiv thaj chaw uas yooj yim rau rov khij lossis qhov chaw koj tuaj yeem tso cov cim tseg, yog li koj rov qab mus rau tib thaj chaw uas tau xaiv txhua zaus.
- Cia cov menyuam kawm ntawv xaiv ib qho chaw saib xyuas. Qhov chaw yuav tsum tsis pub ntau tshaj ob mus rau peb feet square.
- Lawv yuav tsum sau thiab pom txhua yam lawv pom. Piv txwv ntawm cov lus qhia muaj xws li:
- Koj puas pom cov pov thawj ntawm cov tsiaj? (Saib cov ntawv luam tawm, scat lossis guano, pluab, owl pellets, thiab lwm yam.)
- Koj pom tsob ntoo dab tsi? (Nrhiav moss, lichen, nroj, thiab lwm yam nroj tsuag).
- Koj pom kab mob dab tsi? (Saib cov nceb thiab lwm yam kab mob fungal).
- Koj pom kab dab tsi? (Txhawb cov tub ntxhais kawm kom saib tshwj xeeb rau kev sib raug zoo ntawm no - xws li txuas yoov tshaj cum nrog dej los yog muv nrog paj lossis ib lub Hive).
Sampling thiab Classroom Instructions
Tau qhov kev tshawb fawb rov qab rau hauv chav kawm ua raws li cov lus qhia no.
- Qhia cov tub ntxhais kawm kom muaj kev sib txuas thiab nco ntsoov kev sib raug zoo hauv lawv cheeb tsam. Kom lawv cov khoom muag hauv cheeb tsam thiab kos ib daim ntawv qhia txog qhov twg txhua yam nyob.
- Yog tias ua tau, kom cov menyuam kawm ntawv siv cov tweezers thiab maj mam muab cov qauv ntawm cov av, fungus, moss, cog lub neej, kab, thiab lwm yam.
- Rov qab hauv chav kawm, kawm cov qauv. Tej yam uas koj tuaj yeem nrhiav muaj xws li:
- pH nqi ntawm av lossis dej
- Cov kab mob hauv dej
- Cob hlwb nyob rau hauv lub microscope
- Pib piv cov paj koj pom
- Yuav kom cov tub ntxhais kawm sau txhua yam hauv lawv tus kheej phau ntawv sau lossis phau ntawv sib tham.
Xibhwb qhia: Teeb chaw nyob hauv chav kawm saib, txiav, kos duab, kuaj pH, thiab lwm yam.
Testing for Bacteria
Kom cov menyuam kawm ntawv pom qhov twg cov kab mob feem ntau nyob ze. Qhov kev sim no zoo heev yog tias koj xav tau lub chaw kuaj mob uas tau lees paub cov txiaj ntsig. Ib txwm muaj qee yam kab mob nyob hauv qhov chaw, tsuas yog tos kom loj hlob hauv tus menyuam kawm ntawv lub tais Petri.
Materials
Cov no yog cov ntaub ntawv uas koj yuav tsum tau muaj ntawm tes.
- Npaj Petri tais diav, peb rau ib tus menyuam kawm ntawv
- Sterile swabs
- Nkauj tawm tshiab
- Scotch daim kab xev
- Permanent Marker
- Grap paper
- txiab
- Tus kav
Cov ntaub ntawv: Koj tuaj yeem yuav cov tais diav Petri thiab agar nyias nyias; Txawm li cas los xij, nws muaj feem ntau cov tub ntxhais kawm yuav kis kab mob ua ntej lawv swab.
Preparing Your Petri Tais
Npaj koj cov tais diav Petri yog qhov tseem ceeb ntawm kev sim.
- Ua ntej qhib cov ntaub ntawv, kom cov tub ntxhais kawm txheeb xyuas peb qhov chaw (tab sis nyob rau hauv ib qho chaw hauv lub cev xws li hauv tsev lossis tom tsev kawm ntawv) uas lawv yuav kis kab mob. Txhawb kom lawv xav txog qhov chaw uas lawv xav tias yuav loj hlob cov kab mob ntau tshaj.
- Siv lub tais Petri, taug peb lub voj voog ntawm daim ntawv thiab txiav nws tawm.
- Hauv xaum, kos ib kab los qhia qhov 'sab saum toj' ntawm lub voj voog. Tsis muaj teeb meem qhov twg koj kos kab, tab sis koj yuav xav tau ib yam dab tsi los qhia koj li cas koj lub tais Petri yog taw qhia kom koj paub tseeb tias koj tab tom taug qab tib lub colony txhua zaus koj saib.
- Ntawm lub nraub qaum ntawm daim ntawv lub voj voog, nco ntsoov qhov chaw uas koj yuav siv lub swab, nrog rau hnub uas koj noj cov swabs. Ua li no rau tag nrho peb Petri tais koj muaj.
Samples
Kom cov tub ntxhais kawm nqa lawv cov ntaub qhwv tsis huv thiab kaw Petri cov tais diav rau ntawm qhov chaw. Ua tib zoo, lawv yuav tsum:
- Tso Petri tais rau ntawm qhov chaw tiaj tus.
- Nkauj tawm tshiab.
- Swipe lub swab hla thaj chaw uas lawv xav tias muaj kab mob.
- Tsev lub hau, maj mam so cov ntaub nplaum siv hla lub agar, thiab kaw lub hau, ua tib zoo tab sis sai sai.
Hint: Qee lub sij hawm, nws yuav pab tau kaw cov Petri tais kom lub Petri tais tsis txhob poob nws lub hau.
Tswv txiaj ntsig
Tam sim no koj tau swabbed cov cheeb tsam, nws yog txhua yam txog cov txiaj ntsig.
- Kom cov tub ntxhais kawm kos lub voj voog Petri-dish-qhov loj me hauv lawv cov phau ntawv (lab) lossis ntawm daim ntawv sib cais. Kos ib lub lim tiam tus nqi ntawm Petri tais rau txhua lub tais uas tus menyuam kawm ntawv muaj.
- Raws li cov cheeb tsam pib loj tuaj, kom cov tub ntxhais kawm kos qhov loj hauv lawv phau ntawv, ua kev soj ntsuam txhua hnub. Yog lawv tsis tuaj yeem soj ntsuam txhua hnub, kom lawv saib tib hnub dhau ib hlis.
- Lawv kuj yuav tsum tau sau cov xim thiab lwm yam tseem ceeb ntawm lawv cov kab mob kab mob hauv lawv cov ntawv lab.
- Thaum kawg, cov menyuam kawm ntawv yuav tsum sau qhov xaus ntawm lawv txoj kev kawm.
Txoj Kev Teeb Ntawm Kev Loj Hlob
Nyob hauv qhov chaw kuaj no, cov tub ntxhais kawm tshawb xyuas seb lub teeb cuam tshuam li cas rau cov nroj tsuag loj hlob. Cov tub ntxhais kawm siv tau cov nroj tsuag, tab sis cress yuav loj hlob sai dua, yog li koj cov tub ntxhais kawm tuaj yeem tau txais txiaj ntsig sai dua.
Materials
Tau koj cov ntaub ntawv.
- Cress
- Styrofoam khob los yog tais
- Pov av
- Tus kav
- Camera
Cov lus qhia
Nrog koj cov ntaub ntawv npaj txhij, nws yog lub sijhawm los pib koj qhov kev sim.
- Hnub 1 - cog noob rau hauv av hauv khob.
- Sau lub khob raws li lub teeb uas koj yuav siv. Koj tuaj yeem sib piv hnub ci piv rau qhov tsaus ntuj, lossis koj tuaj yeem sib piv ntau hom teeb.
- Txhua hnub tom qab hnub pib, muab ib daim duab ntawm txhua lub khob thiab sim ntsuas qhov kev loj hlob, yog tias muaj.
- Rau koj qhov chaw kuaj mob, ntsuas cov sprouts, thiab sau cov xim thiab cov yam ntxwv.
Planaria Regeneration
Hauv chav kuaj no, cov tub ntxhais kawm saib tus nqi ntawm cov planaria regenerates thiab sim seb koj txiav cov planaria ua qhov txawv li cas lawv loj tuaj.
Materials
Yuav ua qhov kev sim no, koj xav lob.
- 9 planarias
- 3 me me Petri tais diav
- 1 loj yas Petri tais
- 1 yas pipet
- 1 iav magnifying
- 1 yas coverlip
- Nyob hauv dej
- Permanent Marker
- paper phuam
- Ice pack(optional)
Setup Instructions
Txoj kev teeb tsa yog ib nrab ntawm kev sib ntaus sib tua thaum nws los tsim kev lom zem thiab nthuav kev sim biology rau cov tub ntxhais kawm theem siab.
- Pib los ntawm kev suav peb lub tais Petri me me kom tsis txhob muaj teeb meem tom qab.
- Siv lub pipet, txav ib tug planarian mus rau hauv lub loj Petri phaj.
- Lub sijhawm no, tej zaum koj yuav xav sim muab Petri tais rau ntawm pob dej khov rau ob peb feeb. Qhov no tsis yog qhov tsim nyog kiag li, tab sis nws yuav ua rau tus neeg ua haujlwm qeeb qeeb kom nws yooj yim txiav.
- Ua 3 qhov txiav rau tus kws kho mob:
- Raws qab lub taub hau
- Txoj cai hauv nruab nrab
- Txoj kev mus rau tus Tsov tus tw
- Siv lub raj xa dej maj mam hloov txhua ntu mus rau Petri phaj tshiab (nrog dej caij nplooj ntoos hlav).
- Repeat cov kauj ruam nrog rau tag nrho cov seem worm seem.
- Txhua hnub, saib cov phiaj xwm. Kev tsim kho dua tshiab yuav raug suav hais tias 'ua tiav' thaum lub photoreceptors (cov dots dub uas zoo li ob lub qhov muag ntawm tus planarian lub taub hau) tshwm sim.
Kev Tshawb Fawb Txog Kev Tshawb Fawb thiab Kev Tshawb Fawb Qib Siab Biology
Ntau lub tsev kawm ntawv qib siab biology yog tsom rau kev tsim cov ntsiab lus ntawm kev tshawb fawb hauv cov tub ntxhais kawm. Txoj kev tshawb fawb yog ib qho ntawm cov ntsiab lus tseem ceeb no. Txoj kev no ua rau cov neeg koom hauv kev tshawb fawb los ua cov neeg tshawb nrhiav thiab los nrog kev kwv yees txog dab tsi yuav tshwm sim hauv qhov kev sim, hu ua qhov kev xav. Lub ntsiab lus ntawm kev sim yog tom qab ntawd los ua pov thawj qhov kev xav tias yog los ntawm kev sim lossis ua pov thawj nws tsis raug. Qhov no ua rau cov hluas tau koom nrog txoj kev tshawb fawb thaum qhia lwm yam kev txawj ntse, xws li:
- Lub peev xwm los ua qhov kwv yees kwv yees raws li qhov tam sim no thiab kev paub
- Kaw nthuav dav thiab saib xyuas kev txawj ntse
- Txoj kev muaj peev xwm ua tsis ncaj ncees thiab yuav ua li cas mus dhau los yog tias nws hloov mus ua rooj plaub
- Quick Thinking Skills
Raws li kev lom zem ntau npaum li kev sim biology tuaj yeem ua tau, muaj ib qho kev kawm tivthaiv ua rau qhov kev sim.
Kev lom zem thiab txaus siab rau Tsev Kawm Ntawv Qib Siab Biology Kev sim
Rau cov hluas, kawm ntawv qib siab biology tuaj yeem lom zem. Nrhiav qhov kev sim zoo tuaj yeem pab biology tawm ntawm nplooj ntawv thiab dhau los ua ntau dua li lwm yam kev kawm uas yuav tsum tau kawm. Leej twg paub? Tej zaum koj tus menyuam yuav tau txais kev tshoov siab kom nkag mus rau hauv kev ncaj ncees science lossis kev ua haujlwm hauv kev tshawb fawb?
