2022年小学科学五年级下册作业本参考答案.docx

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1、精选学习资料 - - - - - - - - - 2016 learning impleme stressed: in-de pth learnt to tube main lea ning a cquisition Geders topic seminar spirit counselling material 2016 lear ning impl ement to tube main lea neral Secretary of spee ch, i s on XXX a political account, we must put lear ning implders topic se

2、minar spirit counselli ng material March 7, XI ement XI General Secretary important speech spirit as major General Secretary to I pr political task, ada ptedovince delegation a nd le d economic devel partici l opmpate in considere e nt new normal, id and publi she d has important spee nsiste d to ec

3、onomic constructich, on XXX provi on for Center not shake nce pe ople for China revoluti on vi ke , implement impl ementation nectory and Socialist constr w devel opment conceucti on made of contribution give has pt, weak nesse s, and swagger grams short, acertainl l y, on I provi nce past five year

4、s impleme nd yang cha ngbuduan, Stimulate the endogntation focus strategy, and grasp focus i ndustry, economic social development made enous dynami cs, formation effect of EMU, firm implementation of the five planning, the develof results give has certai nly, Clarified the dema nds for deve lopment

5、of XXX, referring to both opme nt of key industries, ope n Dragon River com prehe nsive revitalizati on new journedirections, tasks and issues, tea y, struggli ng to get out of a high chi ng methods, for t qualit y, efficient, he current and future , better structure and devedevelopment in lopmHeil

6、nt road ongjia ng provi of revitalization nce , is of great practi cal sig ni of the adva ntages into full ni ficance and far-reaching play. March 29 to 30thistori cal sig nificance. Mar ch 22 to 24th, provi ncial h, the Committee organi zed a pi pe major thematic semihel d has province tube main le

7、a ders topic semina r, provi ncial Se cretary Wang nar of leadi ng cadre s prefectural comrade Jia Yumei made an important speech at the opeXiank iui comrade in seminar ope ning pr ovince do ha s important ning ceremony. Jia Shuji stresse d, full di strict upper a spee ch, Wang Xiank a nd l ower mus

8、t to ui effective enhance d learni ng publicity implement implementation XI General Secretary important speech spirit of political consciously, and thought consciously, and action consciously and missi i on consci i ously, put lear ning XI General Secretary and pr ovincial Secretary Wang Xiankui spe

9、ech spirit as current primary political task, to more strongly of attitude, a nd more powerful of measures, and more full of drive promoted forest transformation development, struggled to out of f orest transformation development new, ensure as scheduled achieved full built forest society of target.

10、 Today the County for convening this Conference, is to fully implement the arrangements of the provincial, prefectural, and is a major politi cal task. County-wide ea ch of the party members a a nd cadres must earnestly study, deeply understand, enter into the heart, done outsi de the heart, of the

11、line armed with Jia, Secretary of spirit and mind, practice, w ork, below, I XX practical study Jia Shujis important speech spirit with you. Awareness, dee e pen t he County, General Secretary小学科学五年级下册作业本参考答案沉和浮单元1、物体在水中是沉还是浮活动记录1、填表预测小石块泡沫塑料块回形针蜡烛带盖的空瓶萝卜橡皮沉浮浮沉浮沉沉理由比较重比较轻很小有油轻水分多比较小结果沉浮沉浮浮浮（或沉）沉2、填表

12、略我的发现：同种材料构成的物体，把它们的体积变小，它们的沉浮状况不会改变。课堂练习判断题：（1） （ 2）2、沉浮与什么因素有关活动记录填表研究的问题 物体的轻重对沉浮的影响实验材料 一组大小相同、轻重不同的物体我们的推测实验现象记录 浮 浮浮 沉 沉我们的结论 在大小相同的情况下，重的物体容易沉，轻的物体容易浮研究的问题 物体的大小对沉浮的影响实验材料 一组轻重相同、大小不同的物体我们的推测实验现象记录 浮 浮沉 沉 沉我们的结论 在轻重相同的情况下，体积小的物体容易沉，体积大的物体容易浮课堂练习判断题：（1）（ 2） （ 3）3、橡皮泥在水中的沉浮活动记录略我的发现：改变橡皮泥排开的水量，

13、橡皮泥的沉浮可能发生改变。课堂练习判断题：（1）（ 2）（ 3）（ 4） （ 5）4、造一艘小船活动记录略课堂练习选择题：（1）B（2）A urther clarify the transformational development, XI Jinpi ng stressed that XXX has its advantages, also have their own boards, key to focus on weaknesse s, short swagger grams, yangchangbuduan, integrated effect of policy measures

14、 towards the target solid forward. Thi s important statement for us to do a good job providi ng a dialectical thinki ng and the scientific method, fully embodies the dialectical unity of subjective and objective law. We must speak to the spirit for guidance, and further deepen understanding, targete

15、d to long ang well, Hawk shelters make good short , released in ful l development potential. 一 . Potential and the big five short Board, that is, ecological environment, resources, water, economic development advantage advantage, advantage as policy overlap, cultural enrichment, and industrial board

16、s, instituti onal weakness, short people short, short of funds and talent. From the perspective of ecol ogical environment, our region as an important guarantee of national 名师归纳总结 ecological safety, high fore st cover, water, air and soil environme ntal indicator r s, such a s the nature, is the dev

17、el opme nt o green food and preserving pension ideal places, forest cr bon sinks and other industries. From the perspective of the priority of characteristic resources, wild blueberry, Northern forest resources such as drugs, big snow, big wetlands, River and forest tourism resources, variety, large

18、 reserves of mineral resources such as molybdenum, lead and zinc, has translated into strong material conditions for economic advantage. Economic development out of the water, total more than 16 billion cubi c meters of surface water resources and hydro-junction proje ct of development prospects; re

19、coverable reserves of high quality mineral water resources million tons, is the base of rare natural and poll ution-free mineral wate r. Seen from the advantages of cultural enrichment, with Northern cult ure, and Xianbei cultures, Oroqen culture and a ea number of cultural resources, rock only foun

20、d 第 1 页，共 8 页more than 1000 pai ntings, cult hydropower development prlt ural industry oje ct conditidevelopment ha s great pote ons, rich i n three five Luo andntial. From the perspective of poli cycy overlap advantage, with the State Forestry Administration and t t he provincial government two cha

21、nnels of policy towards dire ct enjoyment of natural forest protection program, Western development, resource-ba sed cities sustainable development and main function region construction national policy planning. As long as we put these resour r ces to use a nd exploit the advantages of good, could g

22、ive guanghui, snow , cold regi gi on and black Glebe i nto gold and silver, will provide strong support for forest development. (In addition to Jia Shuji mentioned advantages, , XX we have in agriculture, water conservancy and other unique resources. Agricultural resources, 1.129 million mu of arabl

23、 bl e land throughout the County, da hi nggan Ling was the only predominantly rural administrative districts, green pla nting area of 850,000 acres. Water resources, in a river over more than 180, many river - - - - - - -精选学习资料 - - - - - - - - - 2016 learning impleme stressed: in-de pth learnt to tu

24、be main lea ning a cquisition Geders topic seminar spirit counselling material 2016 lear ning impl ement to tube main lea neral Secretary of spee ch, i s on XXX a political account, we must put lear ning implders topic seminar spirit counselli ng material March 7, XI ement XI General Secretary impor

25、tant speech spirit as major General Secretary to I pr political task, ada ptedovince delegation a nd le d economic devel partici pate in considere l opme nt new normal, id and publi she d has important spee nsiste d to economic constructich, on XXX pr ovi nce pe ople for China revoluti on vi on for

26、Center not shake , implement impl ementation nectory and Socialist constr w devel opment conceucti on made of contribution give has pt, weak nesse s, and swagger grams short, acertainl l y, on I provi nce past five years impleme nd yang cha ngbuduan, Stimulate the endogntation focus strategy, and gr

27、asp focus i ndustry, economic social development made enous dynami cs, formation effect of EMU, firm implementation of the five planning, the develof results give has certai nly, Clarified the dema nds for deve lopment of XXX, referring to both opme nt of key industries, ope n Dragon River com prehe

28、 nsive revitalizati on new journedirections, tasks and issues, tea y, struggli ng to get out of a high chi ng methods, for t qualit y, efficient, he current and future , better structure and devedevelopment in lopmeHeil nt road ongjia ng provi of revitalization nce , is of great practi cal sig ni of

29、 the adva ntages into full ni ficance and far-reaching play. March 29 to 30thistori cal sig nificance. Mar ch 22 to 24th, provi ncial h, the Committee organi zed a pi pe major thematic semihel d has province tube main lea ders topic semina r, provi ncial Se cretary Wang nar of leadi ng cadre s prefe

30、ctural comrade Jia Yumei made an important speech at the opeXiank iui comrade in seminar ope ning pr ovince do ha s important ning ceremony. Jia Shuji stresse d, full di strict upper aspee ch, Wang Xiank nd l ower must to ui effective enhance d learni ng publicity implement implementation XI General

31、 Secretary important speech spirit of political consciously, and thought consciously, and action consciously and missi i on consci i ously, put lear ning XI General Secretary and pr ovincial Secretary Wang Xiankui speech spirit as current primary political task, to more strongly of attitude, and mor

32、e powerful of measures, and more full of drive promoted forest transformation development, struggled to out of forest transformation development new, e e nsure as scheduled achieved full built forest society of target. Today the County for convening this Conference, is to fully implement the arrange

33、ments of the provincial, prefectural, and is a major politi cal task. County-wide ea ch of the party members a a nd cadres must earnestly study, deeply understand, enter into the heart, done outsi de the heart, of t he li ne armed with Jia, Secretary of spirit and mind, practice, w ork, below, I XX

34、practical study Jia Shujis important speec ec h spirit with you. Awareness, dee e pen t he County, Ge e neral Secretary5、浮力 活动记录略 1、我的发现：泡沫塑料块排开水的体积越大，受到的浮力越大。2、我的发现：泡沫塑料块受到的浮力大小，主要与（它浸入水中的体积）有关。（也可填：排开的水量）课堂练习 选择题：（1）A （2）B（3） B（4）A 6、下沉的物体会受到水的浮力吗 活动记录略 1、我的发现：下沉物体浸入水中的体积越大，受到的浮力也越大。2、我的发现：大小不同的物体

35、完全浸入水中，体积越大，受到的浮力也越大。课堂练习 1、判断题：（1） （ 2）（ 3）（ 4）（ 5）2、选择题：（1）BA （2）A （3）B（4）A 7、马铃薯在液体中的沉浮 活动记录略 我的发现：在水中加入一定数量的盐能让马铃薯浮起来。课堂练习 判断题：（1） （补充说明此题不严谨，没有说明是否同一个马铃薯，也没有说明马铃薯的沉浮状态，故不能排除浮力相同的可能。）（2） （ 3） （ 4） （ 5）8、探索马铃薯沉浮的原因 活动记录略 课堂练习 1、判断题：（1） （补充说明此题不严谨，没有说明钩码的沉浮状态）（2）（ 3）（ 4）（此题来自书本 20 面原话，但严格来说，比重计不是比

36、较液体轻重，而是比较液体密度，书本表达不严谨。 ）2、选择题：（1）C（2） B（3）A（4）B 单元练习 1、判断题：（1） （ 2）（ 3） （ 4）（ 5）（ 6）（ 7） （ 8）2、选择题：（1）A（2） B（ 3）C（4）A 3、填：（1）浮（ 2）浮（ 3）沉 4、（ 1）浮力大小小部分浸入水中大部分浸入水中全部浸入水中0.1 牛0.25 牛0.4 牛（2）马铃薯受到的浮力大小与排开的水量有关，排开的水量越多浮力越大，排开的水量越 少浮力越小。（3）方法一加一定数量的盐，方法二加一定数量的糖，方法三加一定数量的味精，方法四 加一定数量的尿素。热单元名师归纳总结 urther cl

37、arify the transformational develecological safety, high fore st coopmeover, water, air annt, XI Ji nd soil eJi npi ng stressenvironme ntal d that XXX has its aindicator s, such dvantages, ala s the nature, is tso have their own boards, key to focus on weakhe development off green food and preserving

38、 nesse s, short swagger grams, yapension ideal places, forest car ngchangbuduan, integrated effect of policy measures towarr bon sinks and other industries. From the perspeds the target solid forwar ctive of the pri ority of characteristi ar d. Thiristi c resource s importa ce s, wil a nt statement

39、for il d blueberr y, Nortus to do a good job pry, Northern forest resources ovidi ng a dialesuch as drugs, bictical tg snow, hinki ng and the scientific metbig wetla nds, River and forest thod, fully embodies tourism resourhe dialces, variety, ectilargecal unity of subjective a reserves of mineral r

40、end sourceobje s e ctive law. We must speak t such as moly bdenu t o the spirit for guida m, lead and zi nc, hda nce, and further has translated int o strodeepen understanding, targeted to lo strong material conditions for e conomic aong advantagng we. Ecell, Hawk onomic shelters make good developme

41、nt out of tshorthe wate, releaser, totald in ful l development potential. more than 16 billion cubi 一c meters. Potential a of surfaa nd the big five short Board, that is, ecologice water resource s and hydro-junction giproje ct of devel cal envir el opmer onment, rent prospesources, wate cts; re cov

42、erae r, economic ble reserves development advaof high quality mineral water re ntage advantage re sources milli , advantage ailli on tons, i s poli i s tcy overlathe ba sep, cultural ese of rare nat urnrichment, aural and pollnd i ndustrial boards, iution-free mineral wate r. nstituti onal See n fro

43、m thweaknee advantass, short people short, short of fges of cultural enrichmeunds and talent. From the perspective nt, with Northern cult ure, and Xiaof ecol ogica nbei cultures, Oroqen a l environment, n cult ure and a our region as aa number of n importacultural resourcent guarantee s, rock onlof

44、national y found 第 2 页，共 8 页more than 1000 pai ntings, cult hydropower development prural industry oje ct conditi odevelopment ha s great pote ons, rich i n three five Luo and ntial. From the perspective of poli cycy overlap advantage, with the State Forestry Administration and the provincial government two channels of policy towards dire ct enjoyment of natural forest protection program, Western development, resource-ba sed cities sustainable development and main function region construction national policy planning. As long as we put these