Thaum cov kab mob ntsib qhov txwv tsis pub, lawv pom kev loj hlob (S-shaped nkhaus, nkhaus B: Daim duab hauv qab). Kev sib tw rau cov peev txheej xws li zaub mov thiab qhov chaw ua rau qhov kev loj hlob tsis tau nce ntxiv, yog li cov pej xeem theem tawm. Txoj kab ncaj nraim ntawm txoj kab kev loj hlob no yog lub peev xwm nqa tau
(Sab laug: Maple-Nplooj Viburnum (V. acerifolium) Nplooj thiab Berries los ntawm qhov muag dav lib. Cov txiv hmab txiv ntoo tsis muaj tshuaj lom tab sis tsis saj zoo heev.) (Muab qhov zoo sib xws ntawm lawv cov paj thiab txiv hmab txiv ntoo, nws tsis xav tsis thoob tias cov laus. Bush thiab Viburnum yog ob tsev neeg Adoxaceae.)
Reflection suav nrog kev hloov pauv ntawm cov nthwv dej thaum lawv dhia tawm ntawm qhov thaiv. Kev cuam tshuam ntawm nthwv dej cuam tshuam nrog kev hloov pauv ntawm cov nthwv dej thaum lawv dhau los ntawm ib qho nruab nrab mus rau lwm qhov. Refraction, los yog kev khoov ntawm txoj kev ntawm cov nthwv dej, yog nrog los ntawm kev hloov pauv ntawm qhov nrawm thiab qhov ntev ntawm cov nthwv dej
Ib feem ntawm lichen uas tsis koom nrog kev yug me nyuam, 'lub cev' lossis 'vegetative ntaub so ntswg' ntawm lichen, hu ua thallus. Daim ntawv thallus txawv heev ntawm txhua daim ntawv uas cov fungus lossis alga loj hlob nyias. Lub thallus yog tsim los ntawm filaments ntawm fungus hu ua hyphae
Cotangent, Secant thiab Cosecant. Cosecant yog qhov sib txuam ntawm sine. Secant yog qhov sib txuam ntawm cosine. Cotangent yog qhov sib txuam ntawm tangent. Thaum daws txoj cai triangles peb lub ntsiab yog ib txwm siv
Ice Flow: Glaciers txav los ntawm sab hauv deformation (hloov vim lub siab lossis kev ntxhov siab) thiab zawv zawg ntawm lub hauv paus. Tsis tas li ntawd, cov dej khov nyob hauv nruab nrab ntawm lub glacier yeej ntws nrawm dua li cov dej khov ntawm ob sab ntawm lub glacier raws li qhia los ntawm cov pob zeb hauv cov duab no (txoj cai)
Lub ntsiab lus '-ase' yog siv los qhia txog ib qho enzyme. Hauv enzyme naming, ib qho enzyme yog qhia los ntawm kev ntxiv -ase mus rau qhov kawg ntawm lub npe ntawm cov substrate uas cov enzyme ua. Nws kuj yog siv los txheeb xyuas cov chav kawm tshwj xeeb ntawm cov enzymes uas catalyze ib hom tshuaj tiv thaiv
Thaum qee qhov kev sib dhos tsuas yog ib feem me me ntawm lub hli saum npoo yuav tau txais lub teeb los ntawm Lub Hnub, qhov twg peb yuav pom lub hli crescent. Lub hli yeej ib txwm tau txais tib lub hnub ci; Nws tsuas yog hais tias nyob rau hauv qee qhov kev sib koom ua ke Lub Ntiaj Teb pov ib qho duab ntxoov ntxoo loj dua ntawm lub hli. Vim li ntawd, lub hli tsis yog ib lub hli puv nkaus
Sab saum toj ntawm exosphere cim kab ntawm lub ntiaj teb huab cua thiab interplanetary qhov chaw. Lub exosphere yog txheej txheej sab nraud ntawm lub ntiaj teb huab cua. Nws pib ntawm qhov siab ntawm 500 km thiab tawm mus txog 10,000 km
Pine ntoo xav tau dej ntau dua nyob rau lub caij ntuj sov, dej tsawg nyob rau lub caij nplooj ntoo hlav thiab lub caij nplooj zeeg, thiab dej tsawg lossis tsis muaj dej hauv lub caij ntuj no
Tsiaj hlwb yog eukaryotic hlwb los yog cell nrog ib daim nyias nyias-bound nucleus. Tsis zoo li prokaryoticcells, DNA nyob rau hauv cov tsiaj hlwb yog nyob rau hauv lub nucleus. Organelles muaj ntau lub luag haujlwm uas suav nrog txhua yam los ntawm kev tsim cov tshuaj hormones thiab enzymes los muab lub zog rau cov tsiaj txhu
Txhua lub orbital muaj ob lub electrons. π 4 thiab pi; 5 yog degenerate antibonding orbitals nrog obnodes ntawm txoj cai kaum rau ib leeg. π 6 yog anantibonding orbital nrog peb ntawm
Los ntawm koj Lub Sij Hawm Lub Sij Hawm peb kawm tias ib lub mole ntawm tooj liab, 6.022 × 1023 tus neeg tooj liab atoms muaj qhov loj ntawm 63.55 g. Thiab yog li peb siv MASS ntawm cov qauv tshuaj los xam cov NUMBER ntawm atoms thiab molecules
Raws li txoj kev tshawb fawb tshiab coj los ntawm cov kws tshawb fawb ntawm Lub Tsev Haujlwm Saib Xyuas Zog Lawrence Berkeley National Laboratory (Berkeley Lab) thiab hauv University of California, Berkeley, electrons hauv vanadium dioxide tuaj yeem ua hluav taws xob yam tsis muaj cua sov
Methane thiab oxygen (oxygen yog diatomic - ob lub atom - lub ntsiab) yog cov reactants, hos carbon dioxide thiab dej yog cov khoom. Tag nrho cov reactants thiab cov khoom yog gases (qhia los ntawm g's nyob rau hauv lub voj voog). Hauv cov tshuaj tiv thaiv no, tag nrho cov reactants thiab cov khoom tsis pom
Tshooj 4 Phau Ntawv Qhia Kev Kawm Lus Nug Cov Lus Teb Thermal zog yog ntsuas hauv _. joules Lub _ lub zog ntawm ib yam khoom nce nrog nws qhov siab. peev xwm Lub zog kinetic ntawm ib yam khoom nce raws li nws _ nce. ceev lossis loj Mechanical zog yog tag nrho kinetic thiab _ energies nyob rau hauv ib tug system. peev xwm
Los nag, dej muaj, tshav ntuj, thiab qhov kub thiab txias yog txhua yam abiotic yam. Cov suab puam yog tus cwj pwm los ntawm lawv qhov tsis muaj dej nag. Txawm hais tias peb feem ntau xav txog cov suab puam kub, qee qhov suab puam tuaj yeem txias heev. Feem ntau cov suab puam tau nyob ib ncig ntawm 10 ntiv tes los nag hauv ib xyoos
Segment Addition Postulate – Yog B nyob nruab nrab ntawm A thiab C, ces AB + BC = AC. Yog AB + BC = AC, ces B yog nruab nrab ntawm A thiab C. Lub kaum sab xis Ntxiv Postulate – Yog P nyob rau sab hauv ntawm ∠, ces ∠ + ∠ = ∠
plaub Raws li, 4 hom galaxies yog dab tsi? Qhov kev faib tawm no yog hu ua Hubble Sequence. Nws faib cov galaxies rau hauv peb chav kawm loj nrog ob peb qhov kev hloov pauv. Niaj hnub no, galaxies tau muab faib ua plaub pawg: kauv, thaiv kauv , elliptical, thiab tsis xwm yeem.
Macromolecules yog tsim los ntawm cov qauv molecular units. Lawv suav nrog cov proteins (polymers ntawm cov amino acids), nucleic acids (polymer ntawm nucleotides), carbohydrates (polymers ntawm qab zib) thiab lipids (nrog ntau yam modular constituents)
Copper sulfate teb nrog ammonia los tsim tetraamminecopper (II) sulfate
Ib phau ntawv dag ntawm kab rov tav yog ib qho piv txwv ntawm qhov sib npaug ruaj khov. Yog tias phau ntawv raug tshem tawm ntawm ib ntug thiab tom qab ntawd tso cai rau poob, nws yuav rov qab los rau qhov qub. Lwm cov piv txwv ntawm kev ruaj khov yog lub cev pw hauv pem teb xws li lub rooj zaum, rooj zaum thiab lwm yam
Photochemical smog yog ib qho kev sib xyaw ntawm cov pa phem uas tsim los thaum nitrogen oxides thiab volatile organic compounds (VOCs) hnov mob rau hnub ci, tsim kom muaj huab cua daj cua dub saum cov nroog. Nws feem ntau tshwm sim nyob rau lub caij ntuj sov, vim hais tias yog thaum peb muaj hnub ci tshaj plaws. Cov pa phem thawj
Hauv eukaryotes, cytoplasm kuj suav nrog cov kab mob membrane-bound organelles, uas raug tshem tawm hauv cytosol. Lub cytoskeleton, lub network ntawm fibers uas txhawb lub cell thiab muab nws cov duab, kuj yog ib feem ntawm lub cytoplasm thiab pab npaj cellularcomponents
Pab Ntawm cov kab, nyem Sketch tab Constrain panel Tsis Siv Neeg Dimensions thiab Constraints. Txais lub neej ntawd nqis los ntxiv qhov Dimensions thiab Constraints los yog tshem tawm cov cim kos los tiv thaiv daim ntawv thov ntawm cov khoom cuam tshuam. Nyem Curves, tom qab ntawd ib tus zuj zus los yog xaiv ntau qhov geometry
Tus reciprocal ntawm ib tus lej x yog tus naj npawb 1/x.Qhov kev sib txuas ntawm tus lej kuj yog nws qhov sib npaug, uas txhais tau hais tias tus lej zaus nws cov reciprocalmust sib npaug 1. Nrhiav qhov sib npaug ntawm tus lej decimal tuaj yeem ua ntau txoj hauv kev. Hloov cov zauv mus rau ib feem ua ntej
Wisconsin Dawn Redwood. Peb muaj Dawn Redwood uas peb cog rau xyoo 2006. Nws yog 56" thiab txij li xyoo 2013 nws yog 190" Peb nyob hauv Chippewa Falls, Wisconsin uas nyob rau sab hnub poob hauv Wisconsin, Chippewa County. Ua tsaug rau Julie Slabey tau xa peb daim duab no ntawm qhov zoo nkauj kaj ntug redwood loj hlob ntawm nws lub tsev
Instant Kub thiab Cold Packs Raws li cov ntsev disassociates, tshav kub yog tso tawm nyob rau hauv ib qho exothermic cov tshuaj tiv thaiv los yog absorbed nyob rau hauv ib tug endothermic cov tshuaj tiv thaiv. Cov khoom lag luam tam sim no feem ntau siv ammonium nitrate lossis urea ua lawv cov ntsev tivthaiv; Cov pob kub feem ntau siv magnesium sulfate lossis calcium chloride
SAS Similarity Theorem hais tias yog ob sab hauv ib daim duab peb sab yog proportional rau ob sab hauv lwm daim duab peb sab thiab lub kaum sab xis nyob rau hauv ob qho tib si congruent, ces ob daim duab peb sab zoo ib yam. Ib qho kev hloov pauv zoo sib xws yog ib lossis ntau qhov kev hloov pauv tsis tu ncua ua raws li kev dilation
Hydrocarbon fuels xws li methane (CH4) hlawv nyob rau hauv lub xub ntiag ntawm oxygen los tsim carbon dioxide thiab dej. Cov txheej txheem ntawm combustion no tso tawm lub zog. Thaum lub zog raug tso tawm thaum lub sijhawm ua tshuaj lom neeg, nws tau hais tias yog EXOTHERMIC cov tshuaj tiv thaiv
Classical tsom xam, kuj hu ua ntub chemicalanalysis, muaj cov txheej txheem analytical uas siv nomechanical lossis hluav taws xob cov cuab yeej uas tsis yog qhov sib npaug. Cov txheej txheem feem ntau yog nyob ntawm cov tshuaj tiv thaiv ntawm cov khoom siv tshuaj ntsuam xyuas (cov tshuaj ntsuam xyuas) thiab cov reagent uas tau ntxiv rau
Qhov no KS3 Science quiz yuav saib cov tebchaw. Cov tshuaj sib xyaw ua ke yog cov tshuaj dawb huv uas muaj ob lossis ntau dua cov tshuaj sib txawv uas tuaj yeem muab cais ua cov tshuaj yooj yim los ntawm cov tshuaj tiv thaiv. Lwm cov tebchaw yog tsim thaum cov hlau chemically ua ke nrog cov hlau tsis yog hlau
Txhawm rau tsim ib qho qauv: Xaiv lub xov tooj ntawm tes uas yuav muaj cov qauv. Ntaus tus lej sib npaug (=). Ntaus qhov chaw nyob ntawm lub xov tooj ntawm tes koj xav siv thawj zaug hauv cov qauv: cell B1 hauv peb qhov piv txwv. Ntaus tus neeg teb xov tooj uas koj xav siv
Tom qab lub hli tshiab, lub hnub ci feem ntau nce, tab sis tsawg dua ib nrab, yog li nws yog waxing crescent. Tom qab tag nrho lub hli (qhov siab tshaj plaws illumination), lub teeb tsis tu ncua. Yog li lub waning gibbous theem tshwm sim tom ntej
Peb yam uas tuaj yeem ntab hauv huab cua: Txhua yam gasses uas sib zog dua huab cua: Hydrogen, Helium, thiab los ntawm ib feem me me Nitrogen. Cov pa roj kub uas muaj tsawg dua cov pa, raws li cov pa kub cua kub, nce chav, thiab nce pa tawm ntawm hluav taws
Lub voj voog yog ib daim duab nrog txhua lub ntsiab lus tib qhov deb ntawm nws qhov chaw. Lub voj voog muaj npe los ntawm nws qhov chaw. Yog li, lub voj voog mus rau sab xis yog hu ua lub voj voog A vim nws qhov chaw nyob ntawm qhov taw tes A. Qee lub ntiaj teb piv txwv ntawm lub voj voog yog lub log, lub phaj noj hmo thiab (qhov saum npoo ntawm) npib
Kev nyab xeeb thoob ntiaj teb feem ntau muab faib ua tsib hom: tropical, qhuav, temperate, txias thiab polar. Cov kev faib huab cua no siv ntau yam los txiav txim siab, suav nrog qhov siab, siab, cua qauv, latitude thiab thaj chaw yam ntxwv, xws li roob thiab dej hiav txwv
Tag nrho cov nqi ntawm cov av nplaum thiab cov av nplaum av feem ntau yog qhov tsis zoo. Cov av nplaum yog qhov tsis zoo vim tias lawv muaj cov txheej txheem silicates thiab qhov no ua rau tus nqi tsis zoo. Raws li cov av tau txais pH siab dua, tus nqi yuav tsis zoo
Nyob rau hauv lub cev qhuav dej synthesis cov tshuaj tiv thaiv (Daim duab), cov hydrogen ntawm ib tug monomer ua ke nrog cov hydroxyl pawg ntawm lwm monomer, tso ib tug molecule ntawm dej. Nyob rau tib lub sijhawm, cov monomers sib koom electrons thiab tsim covalent bonds. Raws li cov monomers ntxiv koom nrog, cov saw hlau ntawm kev rov ua dua monomers tsim ib lub polymer
Budding Bacteria, plural Budding Bacteria, ib pawg ntawm cov kab mob uas tsim tawm los ntawm budding. Txhua tus kab mob faib ua raws li kev loj hlob ntawm tes tsis sib npaug; niam cell yog khaws cia, thiab ib tug tshiab cell yog tsim