文档介绍:该【冀教版四年级上册科学知识点总结2 】是由【cby201601】上传分享,文档一共【29】页,该文档可以免费在线阅读,需要了解更多关于【冀教版四年级上册科学知识点总结2 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。:.
1
1!"#$%&&'()*+
2-./
012
345
3789:;<
01=8>:;<
01
4***@A8B
CDEFGHIJKLCD
5"(NO0%PQ3R!SS2T
6VWFXYZCD[\
7^_CD`aTbcF
deCD
fg
8***@AijkC^_CD`aTbcF
lfg
9'(no
T+
pqrst:
uT,x
uF
Tl{|T
}~T;<
T2#
F3P#
F4}ET9:;<
F5"E1
b2<
F6-.
08
T
8
T;<
T7-.9:
01T78
c
1'( ¡#
¢£¤¥¦¢§¨
©0BA;<B
 ¬­C ¡­
2¯°¤±T²³BA-
´Bµ
!C¯¶
´
3§·***@ACD
fg
TA
AX¸YZBX¹º
»¼CX½»¾
»¼
¿À£ÁÂÃÄÅbÆÇYZ
ÈÅCDÉÊË ¨»¸Ì,
ÍÎÏ·ÐÑÒÓ
ÔÕÖ×^_ØCD`a>iÁÙ
^_
ÚÛÜÝ
Þßàáâà
ºãàä_åàää:.
çàääÔÕèFà
éÁêë»1Tìí
îàï(2
ÉàP#"ONQ$%!,
S
ðBñ01
'(òóêëôõöP1
îàBñ01
'(òóêëàø}~{|ùúTìí
ûüýP
þTìí
ÿ
!"#$%
&'()*
+,&-,./
0123
415678
9:;<
9:=
>#?$%***@AB
&C)*+,D
EFG H
IJK
LM==
NOP,#RSOT UVWXU *YOP
$Z[)*
+,OP\Y]^
_T `$RSOT abYc]^
_
defg'(OUhDiabYc]^
_Uhjg'(OUe
DiakOP
lmnYOP
D
opqrsOAt
uvwAxxyz #{|Z}~*
P
1G----------------------------------------------------
2Gr
"“M ”#
*
-----------------------------;
A ¡¢£¤¥¦
1§ ¨©`$ª«¬­®¯
2© °2X±-§m© ²¨§P³´µ¨§Y¶·¨§¸¹s
º»¨=
3
½¾¿kÀp§D¨§KÁ¨§EF¨§Âè§ÄD¨=ÅÆ
4§ ¨ ÈÉMz ÊËX±
5
Xͧ2Î2¨
6ª« gÐÑÒ!d§VWÓÔ¨Õ½:.
7AÎ ¿AÎØ(2Î) X±
8
ÎÆ°2ÜÝZ[
½Þ(150)2àÎ
9âã
EFäå(æç)èg$F145éê
10
ëDæì
Ë3(íî)
ïðñ(
òT,ô
òF)
(F)lèAÎ \AÎ X±
(T)2 p~M÷
(T)3 ¿køù
X±jDÀÆ
(T)4Gr¿kúû2Îüý©
()5þCsÿ
()6
()7!"
(T)8%&'()*+,-.()/012
34567-89:;
1=+>?***@ABC(D)AFGBICKLDMN
2=+PQBR(D)A%SBTUCVLDWS
3)=Y+-B()A%SBTUCVLDW
S
4=)*[,***@BC()A%&B\]C%^D_]
`abcd-e)fghi(jk1lmn)
opqrstuvwxi
yz{v|-vw}[~L[-1-
!"-ri
yz!-zGNK- ¡¢
£|
¤¥¦§+¨¨©-ª«©i¨¨rsi
yz¬,­>?®¯2°UWL±²
VL³´,­]µ¶·¸&¹>?GN
K¡I®¯®º»¼¶·2¹¸&½G
¾¿ÀL
Á{Â6ÃrsÄÅÆiªÇÈrÉÊ!67ËÌiÍe¨:.
Ï.ÐÑi(P7)
yz{Â6ÃÇÈÓÔÕÖ-R×ØÙªÚÛ67Ë
Ì°ÜR®¯ÝÞ67ËÌ-ÜR,­ÇÈßàáâ-ÇÈÓÔã
ä->?`Þ-åæç!ËÌ-
èÇé-Éêë02
ìí!"î-ïrs!"i
!"
ðÓñò
ó
ôõIö
4÷
KGN
øù
¡ú 
¢¡û
üý¹À¶·
þÿ
!
"#
$!%&
'()*+,-.* /0123
45(67 ,-!8129(:; ,-:<8
=9(>?@ ,-A
BCDEF9(G7 ,-******@HIJK
-******@HIMN-G
******@8
R(TUVWXGYZX)9(\] ,-\******@8^
_3ac(d+
efghi-jklm
1 +***@******@q()():.
2c(dst
3+uHvwstUxyz{
4}~qdst
s@T,@Ft
st1@-/@0Y@
st27- ¡
¡¢¡w
st3£¤¥TU¦§7
st4¨H©ª«-¬HD­®
¯°±²³-jk´µ
1£¤¥¶¶·st7A¦§Bº»e¼½¥C¿ÀÁÂ
Ã
27stA ¡
¡¢¡wB¬H Ä¢CÅÆ
 ÇÆ 
3,ÈÉ¥¶·stA¬ÊËÌÍ-x0ÎÏBÐFÑÒÓ
ÔCÕÖ7
4×Ø8/ÙÚÛÜ***@w+ÝÞß×اàáE
-âãäåq
æç-TUèéêÚêëêìí***@yÝîjßï*ÍðstA¬B
qñ~C¬ò¨
óôõö÷
1øùúúøûüýþ:@ÿ
70
/
140
/
2"#$%&4&'()*+,-#$%
16&4&18
/'
#$%01234
5678
9":;<=>?@A5BCD>?EFG
HIJ
KLMNOPQRSTUVWXYZ[\TU]4^_`abcdef
ghijOPkl\mnoE\pMqrstuXvwSxy
zMN^yz\pbOP{:;B<=>?@A5
BCD>?E
|}~
"GHIJKLG
"a"
"$"G
:.
"MHIoJ ¡OP¢£j¤¥¦§J
KL¨©ª«#$%12¬­d\p®
¯°±²¢³´µ¶·¸¹ ¡OP¢£jº»V¼nS ½
OP³¾¾¿ÀuÁÂ
Ã"g·ÄMNÅHIÆÇJ'OPhÈɺ»HIJ
KLg·ÄMNÅRSZÊi^ËÌÅcÍÅ~¸^\pc
uÅ4ÎÆÏÐÑÒÓÓyQSxÔÕÅÔÕÅyQÖC
×ØÙÚ
QuÛÜ
Ý"MZ[\ÞßàáâJ
KLZ[\Þßãä\"åæ\çvèr\"éê\ëì0íî\íî\
ÞßCî\ç¸ïð\"ñòã\"ñïã\ì0+îóç¸Dr\"óíã\"
ôõ\ì
ö4÷øùú
¢"û_üýþÿ
1
,
2!"#$%&'()
3+,-./0123456789:;<=>?***@A
BCDEF
4HIJKLMNOPQRNRSTUEFVWXYZ[\]
RSTUWX^_`Ra45RSTbcdeSf
52001i10j6Hkl
mn7opqr0s[t<?6eus
1v+,#$wx,<?
y!z{|}~T,~F
1#$/B45
2,F
(F
3WX-.%018<?
4$W6!"1#$
6
1HIJKLMNOPQRNRSTA¡¢B¤C
M¦D¨P
2bcdeSfwx©aª6WXRa45RSA«¬B­:.
­C^_`D®¯°
3<RS%()A±B²³C´µD°
¶·¸¹º
}» ,F}¼º½¾
YZ[
<
\]
¿ÀÇÃP
ÈtÉ
ÁP
Ê
wxÂa
^_`
ª
8\]ËÌ
dPÃÍÎ
ÄÅÆ
Ï!+xÐÑÒ.r6ÓÒÔÕºÖ×!"ÔÕB
×
ØÙ!+xÐÚÛ"&'Ü.rs!W&'Ü
Ý
ÆÞß"Ýàáâ6ã
ÝäåÚÛàæ/çæ6èéæ'6
"ÝÒêësìíà&'Ü6îá&'Üï6"ðá#$Uñ6
"ðà#$
òWX!B456óôàÔÕ#$×
ØÙõö6à"÷(!-.øyÝù/øÝù÷(úû&'Ü
#$üý6þÿ
!"#$%&'()*+$,
-./01$2345!67$89:;<=$>?)@
ABCDE)FG$(H)*+
IJKL
MNOPQR,
-.PSQRTUV#W$PXYZ[S\C]^_V#$`abcPQd)
efX$ghPV#ijkl_bc$h_QRYm
nopqrkNO*+,:.
-.opqrh_+!"#otu$vw!"qrxyz1{U|}~
k
;U$i
U: ¡¢:£¤¥¦§
¨5ª«A¬­
h®¯°±²³´µ
1U"·i¸¹ºº»¼«A#½$¾¿
2hÁ#½$¬­fÂÃghÁ#½ÄÅ$ghÁ#½ÆlÁ#½$¾¿
3ÈÉhÁ#½$¬­ÊËk¾¿ ÌÍhÎx
4¼ÐhÑÒÓÔÕÖ×$ØÙÚ¼ÛÜÝÞ¾¿¾¿ßà#áâ
¾¿:¾¿
5U¸¹$"·iº1ÔÚã¤Ú§l&Ú+ä帹¾¿
6Ú¸¹çº"·)ÒèiÊÎxéê뾿Ú$ ¼ì
7Ú/$Yî1¾¿ÄTïðhñxy«Aòóòôõôõóö
ÁY
÷ø¾Â$ùT,ü$ùF¿
¾¿1Ýßà#xyÝtu$þÿ
2
3
4!"#$%&'()
5!+,-./01
6!34567!89
7;#
<&'=>?<***@ABCDEFG
8IJ
<
KLMNCOPQ
9ST
<UVWXKL
YZ[WXC
\]^
1`abcdef-8gh&'AjkBkm<noC***@qr
Dtu&'
2vwxyz
C{|}~-ABCD
3`9M!C]A&'B$%C
!
-
:.
wvmx
..------
------ ¡¢><¥¦
§¨©ª«
W¬­­W¬®-V¯°>C±`
<²³V¯CM1´µ¶°·¸(
)®¹µ
­­`
<#º®
»¼½C¾¿
$%------!345À!89CÀ!QÁ!
$%
ÂÃÄÅ
Æ`ÇÈCÉÊ"!ËÌÍ01!ÎÏP16
ÑÒ!C$%CfÓÁ!&'()
Ô`JÕ-Öש.801!ÏP16`JÕCe-Ø34$
%ÙÚDFÛÜGEB@Ý©.C801!
ÞÉ`ÖßÏP17ÑÒàáâãäåyæCef9ã`çèUC) éê300
µ“èíîï”ñòCãóÚ#“çèU”“Ù&300µôSê”õ=ö
ö÷ËàáøùúûûCef9ãäü`“³ýUòþ”“Eÿ”
P18$
%&'()*+,-./0123456789
::;
< =>?***@7BCDEFGHIJKLMN6BPEGQRSI
JKLTEF=>CUVWXYUV%&EF=>CZ[\Y
?***@KLZ[]^MN6BKL_[`Ma*=>?***@bEcMNPE
dHIJKL
e6fghi
j klmnopqr
1 hi6stuHvhwgx$yz{|}j~viJa*
$
2 ghiHj$f
=
T,F$
$1 -hi
$2 '()*hi
$3 hibHWX:.
$4  ¡¢ghi
£ ¤¥¦§op45
1 S¨ ©jªEF«¬­®¯jMEF$A ±²-B ´t-
C ¶·-D hi
2 S©jªW6T¹ º²W»H¯$A hiB ´t-C ¶·
-D ±²-
¼B½¾
¿ hiyzH
ÀÁ
%&ÂÃÄÅÆÇh ÈÉÊ ËÌ ÍÎ ÏÐÑÒÓÔÕÖÍ×Ø
ÙÚÛÜÝÞßibà
hiáâãä«WX å7 cæ
çvhÈØ}ÒÓjj­
èé)*êbëÐì´íî ë ï
b=ðì´
ñ hiHjòUVZ_}UVvó%&hi6stuHvhwgx
yz{|}j~viJa*hiÝßôgxhiõövÉÊ ËÌ
ÍÎ ÏÐÑÒÓÝhi÷ø ùú ûEbvüýþ
ÿ
!"#$%&
'()*+,"-.)/01234$567+89:;
<!=>?***@4$56AB:+,"-.)3CD?@ EF
G)HIJK)
L7NOPQ
RSTUVWXY
1)[\O]Q^_`ababcd`e"
2g)[hi'()jkl!0mnop!)[`abqjklr!
0stop!)[`ab
uvwxyazT,}zFb
ab1<_`\O
ab2
O<hijkoJ`\Oqh
;J`Q^
ab37]`Q^q7]
`\O
ab4)[jk]\O"hi)[jk;#$:.
ab5¢£r¤¥7¦§7¢¨¤¥`Q^
ab6)[`ª\O«¬i­®¯°
ab7)[2­_±;±²³´)[7\O
ab8¶t·¸¹Oº»\O
ab9i<)[½<¨7<!¾¿`OÀ`QxÁtÂý
ÄÅÆ5ÇVWcd
17ÈÉÊ)7&˹³Ì7abAËBQ^CÐ
Ñ
27ÒÓÔÊ)7ab,³ÒÌ7ËA&˹OBQ^½O
C&йO
eÕÖ×
Ø<`\OÀ`Q^aP23b
ÚVÛ<hiÜ<;`\Ohi
<;`Q^
ÝxÁ¨H)[`\OÀ`Q^
"xÁ¨H)[`\OÀ`Q^Þß`cd'()
àáâãäå!æçá\Oèé
êëcdäìÛ'()ãäíîïhiäì;ì½Oðñï7
OòêëcdóôÛ'()ãäíîïhióôõö\O
÷Úø7§­ùÊ)útûñmüý
úmüùÊ)`þÐÿ
!
"#$%&'()*+,$%&'+,
-8/012
3456789:;
1;=>?***@0
ABoD(******@0
AB
2%GHIJKLMNO
PABN0QRN2S%
LMTUVGHAB
PWXN0QRN2
YZ[\]
WX^^_`
P02
abcWde=WXf'Pgh
GHIiKLMghj/lmVnj/oG:.
qorstA&uT,xuFB
AB1z{|}~VGH@WXN0
AB2z~
1oGI?LMWX@
0
AB30WX
AB4WXN0
Q89
1;=>?***@0
ABAB C¢D¤¥
2¦§¨?3©200j«@¬E­®¯°EABl*13B
18C19D20
33²³´µ?200j¶°VABoGA30B32C33D38
·02AP26B
º»¼#½¾¿2}0ÀÁÂ25052567T51KT513
ÆÇÈÉ
ÊËÌÍoÎ+!AP26B
"#²°ÏoÐÑVoÒÓÎ+¦ÔÕÖ×ØÐÆÐf
ÙÚoÛÜ)ÝÞÎ+
ßo021àáâ!
"#ã1()äåæXâç1oèÆbâé1êëÐoâ
ËÌìíîïðñòWXó0!
"#ôdõö÷øèÆb
ùsú3
PWXû°àüý!"#sú3
PWXû°
þÿ
T51T51256250
1375
7:314:8:416:
"528343
#$
%&10:17:12:21:
'20082322:.
)*
+
,-./+$
01234567
099:;<
=>?@AB
1CDEFGHI$,KLDEFGHM$
2:;<N$OP+4
34Q$;$
RSTUVW+CT,X+CF$
$1:;<Z[\7]^
$2:;<Z[_`]^+67aH
$3:;<Wbc+4
$4:;<+4QdSef+
1cghiABjk
1lm:4+]^noHp$+aH\Ar4sBl4sCOv
2wxy zWxyr+4$4z:B<COv
3:pS{| zWS)r+$4z:B<COv
4]^e
*}~bP HaH}~
+]^W
+]^r$4z:B<COv
M*m:;<lm:<+]^
**4:wxy ¡¢£¤¥¦
*4<§lm:;<+]^+67¨©ª«`¬
­®¯°±Q²³´lGµ¶Wano·P31$
®¯°±lm:;<+´¹Gµ¶WaºG»d{;¼+½¾
4n*4¿¼À^HÁÂÃ
Ä«ÅÆQÇ*m:;<+4
ÈÉ:KÊËÌ7ÍÎKÏ*m:;<+4
ÐÑÒ*Ó°Ô¿ÕÖ+À^*×Ó°:<Ø+ÙÚ ªÛ²
³ÛÜÝÞ
ªÛßÕÖ+àáâpãä§åæçØ+àálmè4;:4+éæ:.
ê²³:;<
:;<]^ë*+Nìí:î]^\\7+4§<ïð]^
<Hñ+4ò4
ó°
ôõëßÕÖ
öð÷aì+ßWø1ùìúðå1ùìûWüýS1ùìþÿ
“”“”
!"#$%&
'10*+,-
./01234567
:;<=>?***@AB3CD-EFG
:;IJKB3LMNO-EJKFG
-EVWFG
[\]^_-`EFG
-EFG
;B3jJklm3jJnD-EFG
;rsct3uEFGvC
z{B3|}nDFG,k
9.-EvC***@A_3-vC***@AFG
10.***@AlEnDFGvC
H.***@Am3nDFGZ
12.R-EmFG
.Z ¡F¢£T,¥£FG
FG1.§¨7©§ª3«nDmR-
FG2.§[¬­®¯°±3«nDmR-
FG3._***@A²`³´3ER-µmZ
FG4.²¶·¸¹º»¼E½¾3E¿ÀÁ¾ÃÄ
R-EÅmÆ
.=ǵÈ345ÉÊ
fb3bcQRËÌ3uEFGA.ÎÏR--C.-
2.***@AlEnDFGA.-R-C.Ò-
3.²¶CÌÓFGA.***@AE½¾R-C.***@A²-:.
4.ÕÖE¿ÀFG-vC°A.-B.Ò-C.²-
5.×Ø.Ù¨ÖÚ³ÛÜÝÞßàá3âEãFGA.äZpqB.
åæpqC.çè
6.éÕÖB3FGYÕÖ°sêëA.äìZíîïðB.åñZíîï
ðC.òóZí
.ô;õö
÷<øÆùúCûöËÌ
ü]-
ýÎÏB.***@Aþÿ
C
D
!"
##$%&'()*+,-.(+/012
34##)*56,4789:(+;<=/8>34
?7)****@AB-.(12?
?CDE
F
GHIJ8(KLMNOP(QRSTJ8(UL7VSTWP33Z
[\]^(_`aKLbcdef(ghKLbidjklaKLbd
mnopqraKLbdstuv+u^.aKLbd
wxaKLbwdyrz({t|aKLb}~draKLb
d
aKLbJ8(UL7V
>)*aTa)*(TWP34Z
[)*a><-.(ULda?<(
;La ¡+GH!"¢p(£¤ST
[\a¥¦?a¡(§¤
¨
©ma(ULªt«(T¬V­©m®¯O°TWP36Z
[\©ma?ULªt(?(na²³´µ(+¶·©m®¯°+²:.
³¸¹(º»(?¼
½
¾¿p,4ÀÁT
[\c
i
Â
}~
w
½7
¬Vy{?ÃT
[\²ÄÅÆ(?)%Ç+²ÈLÆ(ÉÊËÌÍÎ
Ï+Ð?)%ÇÉ
Ê7«Ñrb
Ò11Ô¬V­t«
7
ÕÇÖ+×ØÙÚ
1
WZHÛ)*ªt«
2
)*Ý4-.ÞUL(ßà+áâWZãäåWZãä
3
¶­)*@Âæµ>ªtå´µ)*(ªtË+ÑçèI)*é¹WZê
a´µ)*WZ(§
4
)*ªt(ëìËí4î8ïWZ
ð
ñòóWI(ôT,÷(ôFZ
WZ1
ùú^H-.ûtBªt«
WZ2
ü(ý²³rp(þzÿ
3
4 !"#
$%&'()*+
1-".