初中物理常考人物？ 云南初中物理常考公式？英文双语对照

初中物理常考人物？

初中物理中有好多的科学家们和名人，常考的有如下，赫兹，牛顿，伽利略和亚里士多德，帕斯卡和托里拆利，阿基米德，安培和伏特，欧姆和焦耳，瓦特，爱因斯坦和麦克斯韦，开尔文，密立根，楞次，法拉第和奥斯特，库仑等等。这些物理学家对经典物理和近代物理贡献巨大。

云南初中物理常考公式？

一、速度公式

物理量计算式国际主单位常用单位换算关系

速度vV=s/tm/sKm/h1m/s=3.6km/h

路程sS=vtmKm1km=1000m

时间tt=s/vsh1h=60min=3600s

火车过桥(洞)时通过的路程s=L桥+L车

声音在空气中的传播速度为340m/s

光在空气中的传播速度为3×108m/s

二、密度公式

(ρ水=1.0×103kg/m3)

物理量计算式国际主单位常用单位换算关系

密度

ρρ=m/vKg/m3g/Cm31g/Cm3=1000kg/m3

质量mM=ρvKgg1kg=1000g

体积

vV=m/ρm3Cm31m3=103dm3=2650px31L=103ml(cm3)

冰与水之间状态发生变化时m水=m冰ρ水>ρ冰v水

同一个容器装满不同的液体时，不同液体的体积相等，密度大的质大。

空心球空心部分体积V空=V总-V实

三、重力公式

G=mg(通常g取10N/kg，题目未交待时g取9.8N/kg)

同一物体G月=1/6G地m月=m地

四、杠杆平衡条件公式

F1l1=F2l2F1/F2=l2/l1

五、动滑轮公式

不计绳重和摩擦时F=1/2(G动+G物)s=2h

六、滑轮组公式

不计绳重和摩擦时F=1/n(G动+G物)s=nh

七、压强公式(普适)

P=F/S固体平放时F=G=mg

S的国际主单位是

m21m2=102dm2=2600px2=106mm2

八、液体压强公式P=ρgh

液体压力公式F=PS=ρghS

规则物体(正方体、长方体、圆柱体)公式通用

九、浮力公式

(1)、F浮=F’-F(压力差法)

(2)、F浮=G-F(视重法)

(3)、F浮=G(漂浮、悬浮法)

(4)、阿基米德原理：F浮=G排=ρ液gV排(排水法)

十、功的公式

W=FS把物体举高时W=GhW=Pt

十一、功率公式

P=W/tP=W/t=Fs/t=Fv(v=P/F)

十二、有用功公式

举高W有=Gh水平W有=FsW有=W总-W额

十三、总功公式

W总=FS(S=nh)W总=W有/ηW总=W有+W额W总=P总t

十四、机械效率公式

η=W有/W总η=P有/P总

(在滑轮组中η=G/Fn)

(1)、η=G/nF(竖直方向)

(2)、η=G/(G+G动)(竖直方向不计摩擦)

(3)、η=f/nF(水平方向)

十五、热学公式

C水=4.2×103J/(Kg·℃)

1、吸热：Q吸=Cm(t-t0)=CmΔt

2、放热：Q放=Cm(t0-t)=CmΔt

3、热值：q=Q/m

4、炉子和热机的效率：η=Q有效利用/Q燃料

5、热平衡方程：Q放=Q吸

6、热力学温度：T=t+273K

7、燃料燃烧放热公式Q吸=mq或Q吸=Vq(适用于天然气等)

中考物理常考最接近实际值的常识

中考物理常考常量：1.空气（15℃）中的声速为：340m/s.

2. 大多数人的听觉频率范围：20HZ～20000HZ.

3. 人耳区分回声：≥0．1s

4. 为了保护听力和，声音不能超过90dB；为了保证工作和学习，声音不能超过70dB；为了保证休息和睡眠，声音不能超过50dB。

5. 真空（或空气）中的光速：C=3×108m/s=3×105Km/s

真空（或空气）中的电磁波速度：C=3×108m/s=3×105Km/s

6. 1光年=9.46×1015m.（长度单位或距离单位）

7.人体的正常体温：37℃；室内的常温为：23℃.体温计的量程：35℃~42℃ 分度值为0.1℃

8. 一标准大气压下：

①水的凝固点：0℃；

②冰的熔点：0℃；

③水的沸点：100℃（气压升高，水的沸点会升高）；

④ 4℃时，水的密度最大。

9. 电压：

①一节干电池电压：1.5V；

②一节蓄电池电压：2V；

③对人体安全电压：不高于36V；

④家庭电路电压：220V(家庭电路为交流电，频率为50Hz，周期为0.02s，即1s内50个周期，电流方向改变100次)；动力电路的电压：380V ；

⑤手机电池电压：3.6V。

10.  元电荷：e＝1．6×10-19C

11.  重力加速度：g＝9．8N/kg≈10N/kg

12.  中学生的质量约：50Kg；一只鸡的质量约：1.5Kg.

13.纯水的密度ρ=1.0×103Kg/m3=1g/cm3 ;人体的密度ρ=1.0×103Kg/m3=1g/cm3

14.人步行的速度υ=1.1m/s；自行车速度υ=4m/s

15.课桌的高度约：0.75m；一层楼房的高度约：3m；铅笔长：17.5cm.;中学生身高约：160-170cm   

16.两个鸡蛋重量约：1N；一本教科书的重量约：2.5N.

17.人双脚站立是对地面的压强约：1×104Pa.

18.1标准大气压P0=76cm水银柱=760mm水银柱=1.013×105Pa≈105Pa=10.3m水柱.

19.水的比热容C水=4.2×103J/（Kg·℃）.

20.用3颗同步通信卫星可以实现全球通讯。

21..教室体积约：60立方米

常考文学常识？

文学常识广义指涵盖文化的各种问题。包括作家、年代、作品、文学中的地理、历史各种典故、故事，也包括一般的人们众所周知的文学习惯。古代文化常识。如：天文历法、地理、官职、科举礼仪、称谓名号等。

文学常识有：

1、第一位女诗人：蔡琰（文姬）。

2、“四大古典名著”：《红楼梦》、《三国演义》、《水浒》、《西游记》。

3、豪放派：以苏轼、辛弃疾作为代表。

4、马致远的散曲代表作《天净沙·秋思》，被誉为“秋思之祖”。

5、花中四君子：梅、兰、竹、菊。

6、三纲五常：“三纲”：父为子纲、君为臣纲、夫为妻纲；“五常”：仁、义、礼、智、信。

7、初唐四杰：王勃、杨炯、卢照邻、骆宾王。

8、第一部神话集：山海经。

9、第一部文言志人小说集：世说新语。

10、第一部文言志怪小说集：搜神记。

单招常考的社会常识？

1 主要包括相关法律、政策、经济、文化等方面的知识。2 这些社会常识的考察是为了测试考生的社会意识、社会责任感、社会认知能力等，因为在未来的社会实践中，这些知识和能力将会帮助我们更好地适应社会和创造价值。3 在准备单招考试时，应当多阅读相关的历史、经济、文化等著作，尤其是时下的热点话题，了解国家政策和法律法规，增强自己的社会认知和应对能力。

六个物理相关的生活常识？

热胀冷缩

冰棍从冰箱里拿出来会冒白烟

冬天窗户上会结冰花

雪人在天变热时会升华

初中物理怎么考？

掌握基本的物理公式，定义等，争取会做的题不减分，大题难题，会做的做，不会做的略过，

中考易考的生活测量常识？

中考易考的生活测量量。正常人体温36.5摄氏度。中学生体重600牛，质量60千克。对人体安全电压，不高于36伏。一节干电池电压1.5伏。

教资文化素养常考常识？

1、考查教育学、教育心理学、教育学原理和教育法规知识；

2、对不同文化背景人群的基本认识；

3、对全球化教育、东西方文化差异的基本认识；

4、培养独立思考能力与责任心；

5、良好的公共素质；

6、深入理解教育社会性质；

7、开放式学习教育态度；

8、多种文化素养的培养与传播；

9、建立正确的家庭教育与人格培养的观念；

10、加强家庭教育的实践能力；11、教育法律法规的知识掌握。

初中地理常考的古诗？

在初中地理学习中，有一些与地理知识相关的古诗常被教材或考试所选用，以下是一些常考的古诗：

1. 《登鹳雀楼》 - 王之涣

   "白日依山尽，黄河入海流。欲穷千里目，更上一层楼。"

2. 《望江南》 - 杨慎

   "江南可采莲，莲叶何田田。鱼戏莲叶间，鱼戏莲叶东，鱼戏莲叶西，鱼戏莲叶南，鱼戏莲叶北。"

3. 《望岳》 - 杜甫

   "岱宗夫如何？齐鲁青未了。造化钟神秀，阴阳割昏晓。"

这些古诗常用于地理教材中，通过描绘自然景观、山川河流等来激发学生对地理环境的兴趣和理解。当然，具体考察的古诗会因地区、教材版本和考试要求而有所不同，建议你根据自己所用的教材和考试要求，重点复习相关的古诗。

Does physics of junior high school often check a figure?

The scientists that there is a lot of in physics of junior high school are mixed celebrity, often take an examination of have as follows, hertz, newton, galileo and Yalishiduode, pascal and hold in the palm in tear open benefit, archimedes, ampere with volt, ohm and joule, watt, einstein and maxwell, open Er article, close stand, arris second, faraday and oersted, coulomb is waited a moment. These physicist are tremendous to classical physics and latter-day physics contribution.

Does physics of Yunnan junior high school often take an examination of formula?

One, speed is formulary

International of type of physical quantity computation advocate the unit is commonly used unit conversion concerns

Speed VV=s/tm/sKm/h1m/s=3.6km/h

Distance SS=vtmKm1km=1000m

Time Tt=s/vsh1h=60min=3600s

The train crosses the bridge (hole) when the distance S=L bridge that pass + L car

Sound is 340m/s in the transmission speed in air

Light transmits speed mediumly to be 3 × 108m/s in air

2, density is formulary

(× of ρ water =1.0 103kg/m3)

International of type of physical quantity computation advocate the unit is commonly used unit conversion concerns

Density

ρ ρ =m/vKg/m3g/Cm31g/Cm3=1000kg/m3

VKgg1kg=1000g of quality MM= ρ

Bulk

VV=m/ ρ M3Cm31m3=103dm3=2650px31L=103ml(cm3)

Water of ρ of ice of =m of water of the M when condition happening changes between ice and water > ρ puts V water on the ice

Same when the liquid with a replete and different container, different liquid bulk is equal, density pledges greatly big.

Empty =V of V of bulk of cent of hollow ball empty core always - V is solid

3, gravitational formula

Normally G takes G=mg(10N/kg, the G when the title was not explained takes 9.8N/kg)

Ground of =m of month of M of ground of =1/6G of month of same object G

4, lever balances conditional formula

F1l1=F2l2F1/F2=l2/l1

5, travelling block is formulary

The F=1/2(G when plan rope is weighed and chafing is moved + G content) S=2h

6, pulley block is formulary

The F=1/n(G when plan rope is weighed and chafing is moved + G content) S=nh

7, intensity of pressure is formulary (general is comfortable)

P=F/S solid makes the same score the F=G=mg when putting

The international of S advocate the unit is

M21m2=102dm2=2600px2=106mm2

8, Gh of ρ of P= of formula of liquid intensity of pressure

GhS of ρ of F=PS= of liquid pressure formula

Regular object (square body, cuboid, cylinder) formulary and general

9, buoyancy is formulary

(=F of float of 1) , F ' - F(pressure needs a way)

(=G-F(of float of 2) , F looks serious way)

(=G(of float of 3) , F floats, suspension law)

(4) , Archimedes's principle: GV of fluid of ρ of = of platoon of F float =G is discharged (catchment law)

10, the formula of result

W=FS lifts the object tall when W=GhW=Pt

11, power is formulary

P=W/tP=W/t=Fs/t=Fv(v=P/F)

12, useful work is formulary

Lift tall W to =Gh level W has =FsW to have =W always - W forehead

13, total meritorious service is formulary

Total =W of W total =FS(S=nh)W has / η W total =W has + total T of total =P of W forehead W

14, mechanical efficiency is formulary

η =W has / =P of W total η has / P always

(In =G/Fn of the η in pulley block)

(Direction of upend of =G/nF(of 1) , η )

(=G/(G+G of 2) , η is moved) (upend direction not plan attrition)

(Way of standard of =f/nF(of 3) , η )

15, heat is formulary

℃ of 103J/(Kg · of × of C water =4.2)

1, absorption of heat: Q sucks =Cm(t-t0)=Cm Δ T

2, radiative: Q puts =Cm(t0-t)=Cm Δ T

3, calorific value: Q=Q/m

4, the efficiency of furnace and heat engine: η =Q is used effectively / Q fuel

5, hot balance equation: Q puts =Q to suck

6, thermodynamic temperature: T=t+273K

7, Q of formula of fuel combustion exothermic sucks =mq or Q sucks =Vq(to apply to natural gas to wait)

Physics is taken an examination of to often take an examination of the common sense of the most adjacent and real value in

Physics takes an examination of to often take an examination of constant in: 1. Air (15 ℃ ) medium velocity of sound is: 340m/s.

2.The aural frequency limits of most person: 20HZ ～ 20000HZ.

3.Person ear is divisional echo: ≥ 0. 1s

4.For protection audition is mixed, sound cannot exceed 90dB; To assure the job and study, sound cannot exceed 70dB; Rest to assure and Morpheus, sound cannot exceed 50dB.

5.Vacuum (or air) medium velocity of light: 105Km/s of C=3 × 108m/s=3 ×

Vacuum (or air) medium electromagnetic wave speed: 105Km/s of C=3 × 108m/s=3 ×

6.1015m of × of 1 light-year =9.46. (length unit or distance unit)

The normal temperature of 7. human body: 37 ℃ ; Indoor normal temperature is: 23 ℃ . The span of thermometer: Scale division value of ℃ of 35 ℃ ~42 is 0.1 ℃

8.Below one standard atmosphere:

The freezing point of ① water: 0 ℃ ;

The melting point that ② puts on the ice: 0 ℃ ;

The boiling point of ③ water: 100 ℃ (baric and elevatory, the boiling point of water will be elevatory) ;

When 4 ℃ of ④ , the density of water is the biggest.

9.Voltage:

① voltage of a dry cell: 1.5V;

One savings of ② batteries voltage: 2V;

③ installs full voltage to human body: Not prep above 36V;

Voltage of ④ family circuit: 220V(family circuit is alternating current, frequency is 50Hz, cycle is 0.02s, namely 50 cycle inside 1s, voltaic direction changes) 100 times; The voltage of dynamical circuit: 380V;

Voltage of batteries of ⑤ mobile phone: 3.6V.

10.Yuan charge: E ＝ 1. 6 × 10-19C

11.Gravitational acceleration: G ＝ 9. 8N/kg ≈ 10N/kg

12.The high school student's quality makes an appointment with: 50Kg; The quality of a chicken makes an appointment with: 1.5Kg.

The 103Kg/m3=1g/cm3 of × of density ρ =1.0 of the human body of 103Kg/m3=1g/cm3; of × of density ρ =1.0 of 13. pure water

The speed υ =1.1m/s that 14. person walks; Proper motion speed spends υ =4m/s

The height of 15. desk makes an appointment with: 0.75m; The height of a building makes an appointment with: 3m; Pencil is long: 17.5cm. Height of; high school student makes an appointment with: 160-170cm 

Two eggs weight makes an appointment with 16. : 1N; The weight of a schoolbook makes an appointment with: 2.5N.

The intensity of pressure that 17. person double foot stands is pair of grounds makes an appointment with: 1 × 104Pa.

Water column of 105Pa=10.3m of ≈ of × 105Pa of =1.013 of mercury of =760mm of mercury of P0=76cm of 18.1 standards atmosphere.

The 103J/ of × of =4.2 of water of C of specific heat capacity of 19. water (Kg · ℃ ) .

20. can realize global communication with 3 synchronous telecommunication satellite.

21.. classroom bulk makes an appointment with: 60 stere

Does Chang Kaowen learn common sense?

Broad sense of literary common sense points to those who cover culture all sorts of problems. The geography in including writer, time, work, literature, history all sorts of literary quotation, story, also include the literature with ordinary well-known people to be used to. Archaic literacy general knowledge. Be like: Astronomy calendar, geographical, official position, imperial examinations number of name of formal, title.

Literary common sense has:

1, the first poetess: Cai Yan (Wen Ji) .

2, " 4 big classic famous book " : " red Lou Meng " , " historical novel of the Three Kingdoms " , " Shui Hu " , " on the west travel notes " .

3, clique of bold and unconstrained: With Su Shi, Xin Qi disease serves as a delegate.

4, of Ma Zhiyuan medicinal powder music masterpiece " Qiu Sai of · of day clean sand " , be known as " Qiu Saizhi ancestor " .

5, the 4 gentleman in the flower: Plum, orchid, bamboo, chrysanthemum.

6, 3 key link 5 constant: "3 key link " : Father is child key link, Jun Weichen key link, husband is wife key link; "5 constant " : Benevolence, justice, ceremony, wisdom, letter.

7, first Tang Sijie: Wang Bo, Yang Jiong, Lu takes king of guest of adjacent, a white horse with a black mane.

8, the first mythological collect: Hill sea classics.

9, collect of novel of person of annals of the first classical Chinese: The life says neologism.

10, annals of the first classical Chinese blames novel market: Search god is written down.

Does sheet enrol the social common sense that often takes an examination of?

The 1 knowledge that basically incorporates the respect such as relevant law, policy, economy, culture. Of these 2 society common sense making an on-the-spot investigation is to check acknowledge of sense of responsibility of the social consciousness of examinee, society, society ability, because be in social practice of future, these knowledge and ability will help us get used to society and creation value better. 3 when preparing only action to take an exam, ought to read the book such as relevant history, economy, culture more, especially the heat topic of nowadays, understand national policy and legal laws and regulations, the social acknowledge that enhances oneself and answer ability.

The life common sense related 6 physics?

Heat bilges cold shrink

Ice-lolly is taken from freezer can risk Bai Yan

The meeting on winter window is frozen flower

Snowman is met when day heated sublimate

How is physics of junior high school taken an examination of?

Master basic physical formula, the definition, strive for the problem that can become not to reduce cent, inscribe difficult problem greatly, can do do, the skip over that won't do,

Is the life that studies easily taken an examination of to survey general knowledge in?

The life that studies easily is taken an examination of to measure a volume in. Normal human body is warm 36.5 Celsius. Weight of high school student 600 oxen, quality 60 kilogram. Install full voltage to human body, not prep above 36 bend over. Voltage of a dry cell 1.5 bend over.

Religion endowment does artistic appreciation often take an examination of common sense?

1, check is psychology of pedagogic, education, pedagogic principle and educational code knowledge;

2, the basic understanding to crowd of different culture setting;

3, the basic understanding of difference of square to globalization education, thing culture;

4, education ponders over ability and responsibility heart independently;

5, good communal quality;

6, sociality of thorough understanding education is qualitative;

7, open mode study inculcates an attitude;

8, the education of a variety of artistic appreciation and transmission;

9, the concept that establishs true domestic education and character education;

10, the practice ability that enhances domestic education; 11, the knowledge that teachs legal laws and regulations masters.

The ancient poetry that geography of junior high school often takes an examination of?

In study of geography of junior high school, a few ancient poetry related to geographical knowledge often are chosen by teaching material or exam place, it is a few ancient poetry that often take an examination of below:

1." building of the sparrow that ascend marabou " - Wang Zhi melt

 " Bairi depends on hill to use up, the Yellow River enters ocean current. Desire eye of poor a thousand li, further upward. "

2." coffee senna " - Yang Shen

 " Changjiang Delta can collect lotus, lotus leaf He Tiantian. Between leaf of piscine play lotus, yu Hulian Xie Dong, yu Hulian Xie Xi, south leaf of piscine play lotus, north of Yu Hulian leaf. "

3." Wang Yue " - Du Fu

 Husband of an administrative unit in Xizang of " another name for Taishan Mountain how? Qi Luqing unfinished. Look of good luck bell is elegant, yin and yang cuts dawn. "

These ancient poetry are commonly used in geographical teaching material, will arouse a student to be opposite through depicting river of natural landscape, mountains and rivers-land to wait the interest of geographical environment and understanding. Of course, specific the ancient poetry that make an on-the-spot investigation can be mixed because of version of area, teaching material the exam asks and differ somewhat, suggest the teaching material that you use according to oneself and exam ask, the key reviews relevant ancient poetry.