Table zvinhu arambe achirema. Formula arambe achirema Physics. Sezvinoratidzwa arambe achirema mu wefizikisi

The kudzidza arambe achirema kwenyaya anotanga kudanana yakakwirira chikoro wefizikisi. Pfungwa iri kuonekwa inokosha mune mamwe nezvechikamu samolecular-kinetic dzidziso makosi mu wefizikisi uye kemisitiri. Kudzidza maumbirwo nyaya, nzira kuongorora zvinogona vaifungidzira nokuumbwa pfungwa zvenyika yesayenzi.

The kwokutanga Pfungwa rakabatana mufananidzo wenyika anopa wefizikisi. giredhi 7th kudzidza arambe achirema kwenyaya pahwaro nyore pfungwa pakutsvakurudza nzira, kushanda mumuviri pfungwa uye Masvomhu.

Nzira tsvakurudzo chaiko

Zvinozivikanwa kuti pakati nzira kuferefeta zviri zvakasikwa emit zvaakazvionera uye kuedza. Kuchengeta zvakasikwa akadzidzisa kuchikoro chepuraimari, nokuda nyore kuyerwa, kazhinji ndivo "Calendar zvakasikwa." mhando iyi kudzidziswa vanokwanisa kuunza mwana kudiwa kuongorora nyika, achienzanisa akaona mananara, kuziva chikonzero-uye-kushanda ukama.

Zvisinei, zvizere chete akaita kuedza achapa mumaoko duku aiongorora chishandiso Muchifukura zvakavanzika zvakasikwa. Kukura experimental tsvakurudzo kuitwa pamusoro unyanzvi uye kurovedza anobatsira murabhoritari basa.

Kuita kuedza ari wefizikisi kosi kunotanga Kurondedzera chaiko zvizhinji zvakadai urefu, nharaunda, vhoriyamu. Izvi anovamba richibatanidza kwemasvomhu (chaihwoihwo zvakakwana kuti mwana) uye ruzivo chaiko. Kwidza nyaya Zvakaitika wemwana, pokukurukura kwenguva refu anozivikanwa naye chokwadi kubva esayenzi maonero kunoita kuti paumbwe kwaida kugona. Chinangwa kudzidzisa ari iyi - kuda nokuzvidzora Kunzwisiswa itsva.

Kudzidza arambe achirema

Maererano nzira dambudziko kurovedza pakutanga chidzidzo, unogona tsanangurai chinozivikanwa chirahwe: "Chii kwakanyanya: a churu pakati Zvinhu Zvisina Basa kana churu resimbi" Chokwadi, makore 11-12-vane vana vane makore vanogona kupindura zviri nyore akakurumbira mubvunzo wavo. Asi kukumbira mwoyo yacho, mukana wokuwana ayo peculiarity inotungamirira pfungwa arambe achirema.

The arambe achirema kwenyaya - vakawanda chairema inzwi rayo. Table arambe achirema zvinhu yemanyorero aripo mabhuku uye mabhuku, anobvumira kuti vaongorore kusiyana zvinhu, uyewo uwandu hwezvinhu zvose zvabatanidzwa. inoti nyaya. Cherechedza musiyano iri ehupfumi nezvishoma, mvura uye magasi mumuviri, kare yakakurukura, tsananguro musiyano uyu haisi chete nemamiriro dzekuno urongwa zvacho, asi ari kwemasvomhu okuti zvechadenga fuma anofanira kudzidza kuti wefizikisi kune yakasiyana pamwero.

Simbisa ruzivo zvinoreva pfungwa pasi kudzidza mumuviri kunoita tafura arambe achirema zvinhu. Mwana, achipa mhinduro yomubvunzo: "? Chii kukosha arambe achirema zvimwe fuma", Anonzwisisa kuti ichi ndicho vazhinji 1 masendimita ³ (kana 1 mamita ³⁾ zvinhu.

Nyaya arambe achirema zviumbu vanogona kumutsirwa Panguva iyi. Zvakakodzera kufunga nzira kutamira vezvikwata kuti siyana bhuku nehurongwa. Izvi zvinoita kuti kubvisa kunofambira mberi mafungiro, tora mumwe nyika Masvomhu nezvimwe nyaya.

arambe achirema

Chokwadi, kudzidza wefizikisi haagoni kuva wakakwana pasina kugadzirisa matambudziko. Panguva iyi ndivo chiyamuro kukarukureta fomura. arambe achirema fomura muna 7th wefizikisi mugwaro, zvichida, wokutanga wenyama nokukura ukama vana. Iye anonyatsoteerera kwete chete somugumisiro kudzidza arambe achirema kuti pfungwa, asiwo kupinda nokudzidziswa nzira matambudziko.

Zviri Panguva ichi algorithm inochengeterwa zvinogadzirisa hwomuviri kadambari mabasa dzematongerwe kushanda dzinokosha Masvomhu, tsanangudzo mapatani. Dzidzisai kuongorora dambudziko, nzira nokuda kunotsvaka asingazivikanwi, kunyanya kushandiswa tenzi zviumbu kuedza kushandisa hama dzakadai payakavakirwa arambe achirema mu wefizikisi.

Muenzaniso dambudziko kugadzirisa

MUENZANISO 1

Sarudza kubva pafuma kugadzirwa kuutio yairema 540 magiramu uye bhuku 0.2 dm they ^3.

ρ -? M = 540 g, V = 0,2 dm they ³ = 200 masendimita ³

kuongorora

Pahwaro mubvunzo dambudziko, tinonzwisisa kuti havatsananguri mashoko iyo akaita kuutio ticha tafura nezvishoma densities.

Naizvozvo, isu rinotsanangura arambe achirema yacho fuma. In matafura, ukoshi iri kupiwa g / masendimita ^3, saka bhuku Kutamiswa dm they ³ masendimita ^3.

chisarudzo

By tsananguro: ρ = M: V.

Tiri: vhoriyamu, uremu. fuma arambe achirema zvinogona dzaona:

ρ = 540 g: 200 masendimita ³ = 2,7 g / masendimita ^3, iro anoenderana aruminiyamu.

Mhinduro: The kuutio chakagadzirwa aruminiyamu.

Kutsunga zvimwe variables

Uchishandisa arambe achirema kukarukureta payakavakirwa kunoita kuti iwe kutsanangura uye zvimwe zvinooneka zvakawanda. Misa, Inzwi, Linear kukura mitumbi kusonganirana vhoriyamu dzaona nyore mune matambudziko. Zivo kwemasvomhu Masvomhu kuona nzvimbo uye bhuku geometric manhamba anoshandiswa chikumbira unobvumira kutsanangura kudiwa pakudzidza masvomhu.

MUENZANISO 2

Kuona pakukora kwemhangura layer riri zvemapuranga pamwe chinhu pamusoro nzvimbo 500 masendimita ^2, kana inozivikanwa kuti unhani ukapisa 5 g mhangura.

H -? S = 500 masendimita ^2, m = 5 g, ρ = 8,92 g / masendimita ^3.

kuongorora

Table arambe achirema zvinhu kuziva uwandu hwemhangura arambe achirema.

Tinoshandisa nzira kuti pakuverenga ari arambe achirema. In fomura iyi Vhoriyamu fuma, kwakavakirwa iyo munhu anogona kuona Linear miganhu.

chisarudzo

By tsananguro: ρ = M: V, asi nzira iyi vane zvinodiwa netsika, saka isu kushandisa:

V = S X h.

Dzinomiririra ari zvinokosha payakavakirwa, tinowana: ρ = mamita: Sh, apo:

H = M: S X ρ.

We compute: h = 5 d ⁽² X 500 masendimita 8,92 g / masendimita ³⁾ = 0.0011 masendimita = 11 neIkoniyumu.

A: The ukobvu pemhangura rukoko ndiyo 11 microns.

Experimental Kutsunga arambe achirema

The experimental hunhu sayenzi mumuviri chinoratidzwa murabhoritari kuedza. Panguva iyi vawana unyanzvi ari kuedza, tsanangudzo yacho vawana.

The hunoshanda basa kuziva arambe achirema Nhau Zvichisanganisa:

• Kuziva arambe achirema nemvura. Panguva iyi, vakomana, atoshandisa kare humburumbira, sarudza nyore arambe achirema pamusoro mvura uchishandisa nzira.
• Kutsunga zvakarurama arambe achirema acho anoumba yakasimba. Basa Izvi zvakare kwete kupokana, sezvo kare nezvemuenzaniso kukarukureta mabasa akafanana uye ruzivo vawana nokuyera Vhoriyamu Linear kukura muviri.
• Kutsunga arambe achirema irregularly zvakaumbwa hwakasimba. Patinoita basa iri tinoshandisa nzira dzokuziva bhuku irregularly kuumbwa muviri achishandisa beaker. Zvinobatsira kudzokorora mashoko zviri nzira iyi: Solid kugona kubvisa fluid bhuku iri vhoriyamu muviri. Next basa anobvumirwa mureza.

Mabasa mukuru kunzwisisa

Anogona omesa basa nokupa vana kuona fuma iyo muviri kunoitwa. Akashandiswa ichi tafura Zvinhu arambe achirema kunoita kuti anokwezvera kudiwa kukwanisa kushanda mashoko okuwedzera.

Kugadzirisa matambudziko experimental, vadzidzi vanofanira kuva nezivo zvakafanira pakushandisa mumuviri mano uye chinja dzakabatana. Kazhinji, izvi ndizvo zvinoita kuti vakawanda zvikanganiso uye zvikanganiso. Zvichida danho iri kudzidza wefizikisi ndiko kupa nguva yakawanda, kunotibatsira kuenzanisa zivo uye zvakaitika kudzidza.

hombe arambe achirema

Kudzidza yakachena fuma Chokwadi, dzinonakidza, asi kakawanda sei kuitika dzakachena zvinhu? Muupenyu hwezuva nezuva tinosangana wemisanganiswa uye alloys. Sei kuva iyi? Pfungwa unorema arambe achirema haabvumiri vadzidzi kuti mifananidzo zvikanganiso uye kushandisa paavhareji kukosha arambe achirema kwenyaya.

Kujekesa nyaya zvinokosha kupa mukana kuona uye kunzwa musiyano pakati arambe achirema kwenyaya uye hombe arambe achirema umire tanga. Kunzwisisa mutsauko ichi zvinokosha kune humwe kudzidza wefizikisi.

Zvikuru dzinonakidza ndiye musiyano panyaya hombe zvinhu. Bvumira mwana kudzidza hombe arambe achirema zvichienderana chisimbiso zvinhu, ukuru wacho nezvimedu (mavhu, jecha uye zvakafanana. D.) Sezvo zvichiita panguva tsvakurudzo kwokutanga.

The hama arambe achirema of zvinhu

Kuenzanisa zvivako dzakasiyana zvinhu zvakakwana dzinonakidza pahwaro kuti hama tsika. Hama arambe achirema kwenyaya - mumwe tsika idzi.

Kazhinji, hama arambe achirema venhumbi akatsunga panyaya kwakadonhera mvura. Sezvo nhamba yacho arambe achirema ari pafuma kuti bhuku arambe achirema, ukoshi ichi akatsunga kushandisa pycnometer. Asi paboka yechikoro dzinongoitika nesayenzi, mashoko aya haasi kushandiswa, zvinofadza pamwe kudzidza zvakadzama (kazhinji optional).

Olympiad pamwero kudzidza wefizikisi uye kemisitiri zvinogona kukanganisa pfungwa "hama arambe achirema mashoko panyaya rehydrogen." Kazhinji rinoshandiswa magasi. Kuona hama arambe achirema ari gasi ndivo nhamba yacho matadza guru Muedzo gasi kuti matadza guru rehydrogen. Kushandiswa hama samolecular guru iri dziripowo.