ÌâÄ¿ÄÚÈÝ
![](http://thumb.1010pic.com/pic3/upload/images/201305/23/cf55259d.png)
£¨1£©Èçͼ1£¬Ð¡Ã÷ËùÓÿ̶ȳߵķֶÈֵΪ
0.1
0.1
cm£¬Ä¾¿é³¤¶ÈΪ3.70
3.70
cm£»Î¶ȼÆʾÊýΪ9
9
¡æ£¨2£©Èçͼ2£¬Ð¡Ã÷ΪÁ˲âÁ¿Ä³ÖÖÆ·ÅÆÀϳ´׵ÄÃܶȣ¬½øÐÐÒÔÏÂʵÑ飻
A£®ÓÃÌìƽ²âÁ¿ÉÕ±ºÍÊ£ÓàÀϳ´׵Ä×ÜÖÊÁ¿m1£»
B£®½«´ý²âÀϳ´׵¹ÈëÉÕ±ÖУ¬ÓÃÌìƽ²â³öÉÕ±ºÍÀϳ´׵Ä×ÜÖÊÁ¿m2£»
C£®½«ÉÕ±ÖÐÀϳ´׵ÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·ÖÀϳ´׵ÄÌå»ýV£»
ÄãÈÏΪСÃ÷²Ù×÷µÄÕýȷ˳ÐòÓ¦¸ÃÊÇ£º
B¡¢C¡¢A
B¡¢C¡¢A
£¨Ìî×Öĸ´úºÅ£©£¬Á¿Í²ÖÐÀϳ´׵ÄÌå»ýΪ40
40
cm3£¬Àϳ´׵ÄÃܶÈÊÇ1.125¡Á103
1.125¡Á103
kg/m3£¨3£©Ð¡Ã÷ѧϰÁËÎïÀí֪ʶºóÖªµÀ£¬»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓë½Ó´¥ÃæµÄ´Ö²Ú³Ì¶ÈÓйأ®ÔÚÌåÓý¿ÎÉÏ£¬Ëû¹Û²ìµ½£¬ÔÚµØÃæÉϹö¶¯µÄʵÐÄÇòÒ²»áÊÜĦ²ÁÁ¦¶øÂýÂýÍ£ÏÂÀ´£¬ÓÚÊÇËû²ÂÏ룺ÔÚµØÃæÉϹö¶¯µÄÎïÌ壬ËùÊÜĦ²ÁÁ¦µÄ´óСҲÓë½Ó´¥ÃæµÄ´Ö²Ú³Ì¶ÈÓйأ®ÎªÁËÑéÖ¤×Ô¼ºµÄ²ÂÏ룬ËûÀûÓÃһСÌúÇò¡¢Ä¾°å¡¢ÃÞ²¼¡¢Ã«½íµÈÆ÷²Ä£¬Éè¼ÆÁËÈçͼ3µÄ̽¾¿ÊµÑ飮
£¨a£©ÓÉͼ·ÖÎö¿ÉÖª£¬¹ö¶¯µÄСÌúÇòÔÚ
ë½í
ë½í
±íÃæÉÏÊܵ½µÄĦ²ÁÁ¦×î´ó£¬Ð¡Ã÷µÄ²ÂÏëÊÇÕýÈ·
ÕýÈ·
µÄ£¨Ñ¡Ìî¡°ÕýÈ·¡±¡¢¡°´íÎó¡±£©£»£¨b£©Ð¡Ã÷ÔÚ²Ù×÷ÖÐÿ´Î¶¼ÈÃСÌúÇò´Óͬһ¸ß¶È¹öϵÄÄ¿µÄÊÇ£º
¿ØÖÆСÇòµ½´ïˮƽÃæʱµÄ³õËÙ¶ÈÏàµÈ
¿ØÖÆСÇòµ½´ïˮƽÃæʱµÄ³õËÙ¶ÈÏàµÈ
£®·ÖÎö£º£¨1£©¿Ì¶È³ßÏàÁڿ̶ÈÏß¼äµÄ¾àÀëÊǿ̶ȳߵķֶÈÖµ£¬ÎïÌåÁ½¶ËµãµÄʾÊýÖ®²îÊÇÎïÌåµÄ³¤¶È£»ÓÉͼʾζȼÆÈ·¶¨Æä·Ö¶ÈÖµ£¬È»ºó¶Á³öÆäʾÊý£®
£¨2£©Îª±ÜÃâ³Â´×²ÐÁôÔÚÉÕ±±ÚÉÏÔì³ÉÎó²î£¬Ó¦ÏȲâ³öÉÕ±Óë³Â´×µÄ×ÜÖÊÁ¿£¬È»ºó°Ñ²¿·Ö³Â´×µ¹ÈëÁ¿Í²£¬²â³öÆäÌå»ý£¬ÔÙ²â³öÊ£Óà³Â´×ÓëÉÕ±µÄÖÊÁ¿£¬Çó³öµ¹ÈëÁ¿Í²³Â´×µÄÖÊÁ¿£¬×îºóÓÉÃܶȹ«Ê½Çó³ö³Â´×µÄÃܶȣ®ÓÉͼʾÌìƽÇó³ö³Â´×µÄÖÊÁ¿£¬ÓÉÁ¿Í²¶Á³ö³Â´×µÄÌå»ý£¬ÓÉÃܶȹ«Ê½Çó³ö³Â´×µÄÃܶȣ®
£¨3£©Ð¡Çò´ÓͬһбÃæµÄͬһ¸ß¶ÈÓɾ²Ö¹Ï»¬£¬Ð¡Çò´ïµ½Ë®Æ½ÃæʱµÄ³õËÙ¶ÈÏàµÈ£»ÔÚ³õËÙ¶ÈÓëÎïÌå¼äѹÁ¦ÏàͬµÄÇé¿öÏ£¬ÎïÌ廬ÐеľàÀëԽС£¬ÎïÌåÊܵ½µÄĦ²ÁÁ¦Ô½´ó£®
£¨2£©Îª±ÜÃâ³Â´×²ÐÁôÔÚÉÕ±±ÚÉÏÔì³ÉÎó²î£¬Ó¦ÏȲâ³öÉÕ±Óë³Â´×µÄ×ÜÖÊÁ¿£¬È»ºó°Ñ²¿·Ö³Â´×µ¹ÈëÁ¿Í²£¬²â³öÆäÌå»ý£¬ÔÙ²â³öÊ£Óà³Â´×ÓëÉÕ±µÄÖÊÁ¿£¬Çó³öµ¹ÈëÁ¿Í²³Â´×µÄÖÊÁ¿£¬×îºóÓÉÃܶȹ«Ê½Çó³ö³Â´×µÄÃܶȣ®ÓÉͼʾÌìƽÇó³ö³Â´×µÄÖÊÁ¿£¬ÓÉÁ¿Í²¶Á³ö³Â´×µÄÌå»ý£¬ÓÉÃܶȹ«Ê½Çó³ö³Â´×µÄÃܶȣ®
£¨3£©Ð¡Çò´ÓͬһбÃæµÄͬһ¸ß¶ÈÓɾ²Ö¹Ï»¬£¬Ð¡Çò´ïµ½Ë®Æ½ÃæʱµÄ³õËÙ¶ÈÏàµÈ£»ÔÚ³õËÙ¶ÈÓëÎïÌå¼äѹÁ¦ÏàͬµÄÇé¿öÏ£¬ÎïÌ廬ÐеľàÀëԽС£¬ÎïÌåÊܵ½µÄĦ²ÁÁ¦Ô½´ó£®
½â´ð£º½â£º£¨1£©ÓÉͼ1Ëùʾ¿Ì¶È³ß¿ÉÖª£¬Æä·Ö¶ÈÖµÊÇ1mm=0.1cm£¬ÎïÌ峤¶ÈΪ4.70cm-1.00cm=3.70cm£»
ÓÉͼ1ËùʾζȼƿÉÖªÆä·Ö¶ÈֵΪ1¡æ£¬ÆäʾÊýΪ9¡æ£»
£¨2£©ÕýÈ·µÄʵÑé²½ÖèÊÇ£ºB¡¢½«´ý²â´×µ¹ÈëÉÕ±ÖУ¬ÓÃÌìƽ²â³öÉÕ±ºÍ´×µÄ×ÜÖÊÁ¿m2£»
C¡¢½«ÉÕ±Öд׵ÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·Ö´×µÄÌå»ýV£»
A¡¢ÓÃÌìƽ²âÁ¿ÉÕ±ºÍÊ£Óà´×µÄ×ÜÖÊÁ¿m1£»
ÓÉͼ2¿ÉÖª£¬´×µÄÖÊÁ¿m=m2-m1=50g+20g+10g+2.4g-£¨20g+10g+5g+2.4g£©=45g£»
ÓÉͼC¿ÉÖª£¬´×µÄÌå»ýV=40mL=40cm3£¬´×µÄÃܶȦÑ=
=
=1.125g/cm3=1.125¡Á103kg/m3£»
£¨3£©ÓÉͼ3¿ÉÖª£¬Èý´ÎСÇòÏ»¬µÄ¸ß¶ÈÏàͬ£¬½Ó´¥Ã治ͬ£¬Ð¡ÇòÔÚë½í±íÃæ¹ö¶¯µÃ×î½ü£¬Òò´ËËüµÄĦ²ÁÁ¦×î´ó£¬Ð¡Ã÷µÄ²ÂÏëÊÇÕýÈ·µÄ£»
ÈÃСÌúÇò´Óͬһ¸ß¶È¹öÏ£¬Ð¡ÇòÏ»¬¹ý³ÌÖУ¬ÖØÁ¦ÊÆÄÜת»¯Îª¶¯ÄÜ£¬Ð¡Çòµ½´ïˮƽÃæʱµÄ¶¯ÄÜÏàµÈ£¬³õËÙ¶ÈÏàµÈ£®
¹Ê´ð°¸Îª£º£¨1£©0.1£»3.70£»9£»£¨2£©B¡¢C¡¢A£»40£»1.125¡Á103£»£¨3£©Ã«½í£»ÕýÈ·£»¿ØÖÆСÇòµ½´ïˮƽÃæʱµÄ³õËÙ¶ÈÏàµÈ£®
ÓÉͼ1ËùʾζȼƿÉÖªÆä·Ö¶ÈֵΪ1¡æ£¬ÆäʾÊýΪ9¡æ£»
£¨2£©ÕýÈ·µÄʵÑé²½ÖèÊÇ£ºB¡¢½«´ý²â´×µ¹ÈëÉÕ±ÖУ¬ÓÃÌìƽ²â³öÉÕ±ºÍ´×µÄ×ÜÖÊÁ¿m2£»
C¡¢½«ÉÕ±Öд׵ÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·Ö´×µÄÌå»ýV£»
A¡¢ÓÃÌìƽ²âÁ¿ÉÕ±ºÍÊ£Óà´×µÄ×ÜÖÊÁ¿m1£»
ÓÉͼ2¿ÉÖª£¬´×µÄÖÊÁ¿m=m2-m1=50g+20g+10g+2.4g-£¨20g+10g+5g+2.4g£©=45g£»
ÓÉͼC¿ÉÖª£¬´×µÄÌå»ýV=40mL=40cm3£¬´×µÄÃܶȦÑ=
m |
V |
45g |
40cm3 |
£¨3£©ÓÉͼ3¿ÉÖª£¬Èý´ÎСÇòÏ»¬µÄ¸ß¶ÈÏàͬ£¬½Ó´¥Ã治ͬ£¬Ð¡ÇòÔÚë½í±íÃæ¹ö¶¯µÃ×î½ü£¬Òò´ËËüµÄĦ²ÁÁ¦×î´ó£¬Ð¡Ã÷µÄ²ÂÏëÊÇÕýÈ·µÄ£»
ÈÃСÌúÇò´Óͬһ¸ß¶È¹öÏ£¬Ð¡ÇòÏ»¬¹ý³ÌÖУ¬ÖØÁ¦ÊÆÄÜת»¯Îª¶¯ÄÜ£¬Ð¡Çòµ½´ïˮƽÃæʱµÄ¶¯ÄÜÏàµÈ£¬³õËÙ¶ÈÏàµÈ£®
¹Ê´ð°¸Îª£º£¨1£©0.1£»3.70£»9£»£¨2£©B¡¢C¡¢A£»40£»1.125¡Á103£»£¨3£©Ã«½í£»ÕýÈ·£»¿ØÖÆСÇòµ½´ïˮƽÃæʱµÄ³õËÙ¶ÈÏàµÈ£®
µãÆÀ£º£¨1£©¶Ô¿Ì¶È³ßÓëζȼƶÁÊýʱ£¬ÒªÏÈÈ·¶¨Æä·Ö¶ÈÖµ£¬È»ºóÔÙ¶ÁÊý£¬¶ÁÊýʱÊÓÏßÒªÓë¿Ì¶ÈÏß´¹Ö±£»
£¨2£©±¾Ì⿼²éÁË°²ÅÅʵÑé²½Öè¡¢Ììƽ¶ÁÊý¡¢Á¿Í²¶ÁÊý¡¢ÇóÃܶȵÈÎÊÌ⣬ҪÕÆÎÕÌìƽµÄʹÓü°¶ÁÊý·½·¨£»Îª¼õСʵÑéÎó²îÓ¦ºÏÀí°²ÅÅʵÑé²½Ö裻
£¨3£©½âÌâʱҪעÒâ¿ØÖƱäÁ¿·¨µÄÓ¦Óã®
£¨2£©±¾Ì⿼²éÁË°²ÅÅʵÑé²½Öè¡¢Ììƽ¶ÁÊý¡¢Á¿Í²¶ÁÊý¡¢ÇóÃܶȵÈÎÊÌ⣬ҪÕÆÎÕÌìƽµÄʹÓü°¶ÁÊý·½·¨£»Îª¼õСʵÑéÎó²îÓ¦ºÏÀí°²ÅÅʵÑé²½Ö裻
£¨3£©½âÌâʱҪעÒâ¿ØÖƱäÁ¿·¨µÄÓ¦Óã®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
»Ø¹Ë̽¾¿ºÍʵÑ飺
£¨1£©Èçͼ1ÊÇСÃ÷ͬѧ²âijÖÖÒºÌåÃܶȵÄʵÑ飬Çë¸ù¾ÝͼÌîдϱí
²£Á§±ºÍÒºÌå ×ÜÖÊÁ¿£¨g£© | ²£Á§±ºÍÊ£Óà ÒºÌåµÄÖÊÁ¿£¨g£© | ±»²âÒºÌåµÄ ÖÊÁ¿£¨g£© | ±»²âÒºÌåµÄ Ìå»ý£¨cm3£© | ±»²âÒºÌåµÄÃÜ ¶È£¨g/cm3£© |
![](http://thumb.1010pic.com/pic5/upload/201308/52855f7e4dbf2.png)
£¨2£©Ð¡Ã÷ÔÚÑо¿¡°Ó°Ï컬¶¯Ä¦²ÁÁ¦´óСµÄÒòËØ¡±Ê±£¨Èçͼ2Ëùʾ£©£¬Ó¦Ê¹Ä¾¿éÔÚµ¯»É²âÁ¦¼ÆµÄÀÁ¦×÷ÓÃÏÂ×ö______Ô˶¯£®ÊµÑéÖУ¬Ð¡Ã÷¼Ç¼µÄʵÑéÊý¾ÝÈç±íͼËùʾ£®
![](http://thumb.1010pic.com/pic5/upload/201308/52855f7e5e91f.png)
·ÖÎöµÚ1´Î¡¢µÚ2´ÎµÄʵÑéÊý¾Ý¿ÉµÃ³ö½áÂÛÊÇ£º______£»
·ÖÎöµÚ2´Î¡¢µÚ3 ´ÎʵÑéÊý¾Ý¿ÉµÃ³ö½áÂÛÊÇ£º______£®
ʵÑé´ÎÊý | ½Ó´¥Ãæ²ÄÁÏ | ѹÁ¦ | Ħ²ÁÁ¦ |
1 | ľ¿éÓëľ°å | 4N | 0.8N |
2 | ľ¿éÓëľ°å | 6N | 1.2N |
3 | ľ¿éÓëë½í | 6N | 2.5N |
¢ÙʵÑéÇ°£¬Èô·¢Ïָܸ˵ÄÓҶ˸ßÓÚ×ó¶Ë£¬ÔòÓ¦Ïò______µ÷½ÚƽºâÂÝĸ£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Ê¹¸Ü¸ËÔÚˮƽλÖÃƽºâ£®Ç¿µ÷Òªµ÷µ½ÉÏÊöƽºâλÖõÄÄ¿µÄÊÇ______£®
¢ÚÈç¹ûʵÑéÖÐËùÓõĹ³ÂëµÄÖÊÁ¿¶¼Ïàͬ£¬ÔÚͼ3ÖеÄA´¦Ó¦¸Ã¹Ò______¸ö¹³Â룬²ÅÄÜʹ¸Ü¸Ëƽºâ£®
¢Û¸ÃʵÑéµÃµ½µÄ½áÂÛÊÇ£º¸Ü¸Ëƽºâʱ£¬______£®
¢ÜÔÚͼÖл³öÁ½¸ö¹³Âë¶Ô¸Ü¸ËËù¼ÓÁ¦µÄÁ¦±Û£®
»Ø¹Ë̽¾¿ºÍʵÑ飺
£¨1£©Èçͼ1ÊÇСÃ÷ͬѧ²âijÖÖÒºÌåÃܶȵÄʵÑ飬Çë¸ù¾ÝͼÌîдϱí
![](http://thumb.1010pic.com/pic6/res/czwl/web/STSource/2013102409161949022483/SYS201310240916194902248021_ST/images0.png)
£¨2£©Ð¡Ã÷ÔÚÑо¿¡°Ó°Ï컬¶¯Ä¦²ÁÁ¦´óСµÄÒòËØ¡±Ê±£¨Èçͼ2Ëùʾ£©£¬Ó¦Ê¹Ä¾¿éÔÚµ¯»É²âÁ¦¼ÆµÄÀÁ¦×÷ÓÃÏÂ×ö______Ô˶¯£®ÊµÑéÖУ¬Ð¡Ã÷¼Ç¼µÄʵÑéÊý¾ÝÈç±íͼËùʾ£®
![](http://thumb.1010pic.com/pic6/res/czwl/web/STSource/2013102409161949022483/SYS201310240916194902248021_ST/images1.png)
·ÖÎöµÚ1´Î¡¢µÚ2´ÎµÄʵÑéÊý¾Ý¿ÉµÃ³ö½áÂÛÊÇ£º______£»
·ÖÎöµÚ2´Î¡¢µÚ3 ´ÎʵÑéÊý¾Ý¿ÉµÃ³ö½áÂÛÊÇ£º______£®
£¨3£©Ð¡Ã÷ͬѧÔÚ×ö¡°Ñо¿¸Ü¸ËƽºâÌõ¼þ¡±µÄʵÑ飺
¢ÙʵÑéÇ°£¬Èô·¢Ïָܸ˵ÄÓҶ˸ßÓÚ×ó¶Ë£¬ÔòÓ¦Ïò______µ÷½ÚƽºâÂÝĸ£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Ê¹¸Ü¸ËÔÚˮƽλÖÃƽºâ£®Ç¿µ÷Òªµ÷µ½ÉÏÊöƽºâλÖõÄÄ¿µÄÊÇ______£®
¢ÚÈç¹ûʵÑéÖÐËùÓõĹ³ÂëµÄÖÊÁ¿¶¼Ïàͬ£¬ÔÚͼ3ÖеÄA´¦Ó¦¸Ã¹Ò______¸ö¹³Â룬²ÅÄÜʹ¸Ü¸Ëƽºâ£®
¢Û¸ÃʵÑéµÃµ½µÄ½áÂÛÊÇ£º¸Ü¸Ëƽºâʱ£¬______£®
¢ÜÔÚͼÖл³öÁ½¸ö¹³Âë¶Ô¸Ü¸ËËù¼ÓÁ¦µÄÁ¦±Û£®
£¨1£©Èçͼ1ÊÇСÃ÷ͬѧ²âijÖÖÒºÌåÃܶȵÄʵÑ飬Çë¸ù¾ÝͼÌîдϱí
²£Á§±ºÍÒºÌå ×ÜÖÊÁ¿£¨g£© | ²£Á§±ºÍÊ£Óà ÒºÌåµÄÖÊÁ¿£¨g£© | ±»²âÒºÌåµÄ ÖÊÁ¿£¨g£© | ±»²âÒºÌåµÄ Ìå»ý£¨cm3£© | ±»²âÒºÌåµÄÃÜ ¶È£¨g/cm3£© |
![](http://thumb.1010pic.com/pic6/res/czwl/web/STSource/2013102409161949022483/SYS201310240916194902248021_ST/images0.png)
£¨2£©Ð¡Ã÷ÔÚÑо¿¡°Ó°Ï컬¶¯Ä¦²ÁÁ¦´óСµÄÒòËØ¡±Ê±£¨Èçͼ2Ëùʾ£©£¬Ó¦Ê¹Ä¾¿éÔÚµ¯»É²âÁ¦¼ÆµÄÀÁ¦×÷ÓÃÏÂ×ö______Ô˶¯£®ÊµÑéÖУ¬Ð¡Ã÷¼Ç¼µÄʵÑéÊý¾ÝÈç±íͼËùʾ£®
![](http://thumb.1010pic.com/pic6/res/czwl/web/STSource/2013102409161949022483/SYS201310240916194902248021_ST/images1.png)
·ÖÎöµÚ1´Î¡¢µÚ2´ÎµÄʵÑéÊý¾Ý¿ÉµÃ³ö½áÂÛÊÇ£º______£»
·ÖÎöµÚ2´Î¡¢µÚ3 ´ÎʵÑéÊý¾Ý¿ÉµÃ³ö½áÂÛÊÇ£º______£®
ʵÑé´ÎÊý | ½Ó´¥Ãæ²ÄÁÏ | ѹÁ¦ | Ħ²ÁÁ¦ |
1 | ľ¿éÓëľ°å | 4N | 0.8N |
2 | ľ¿éÓëľ°å | 6N | 1.2N |
3 | ľ¿éÓëë½í | 6N | 2.5N |
¢ÙʵÑéÇ°£¬Èô·¢Ïָܸ˵ÄÓҶ˸ßÓÚ×ó¶Ë£¬ÔòÓ¦Ïò______µ÷½ÚƽºâÂÝĸ£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Ê¹¸Ü¸ËÔÚˮƽλÖÃƽºâ£®Ç¿µ÷Òªµ÷µ½ÉÏÊöƽºâλÖõÄÄ¿µÄÊÇ______£®
¢ÚÈç¹ûʵÑéÖÐËùÓõĹ³ÂëµÄÖÊÁ¿¶¼Ïàͬ£¬ÔÚͼ3ÖеÄA´¦Ó¦¸Ã¹Ò______¸ö¹³Â룬²ÅÄÜʹ¸Ü¸Ëƽºâ£®
¢Û¸ÃʵÑéµÃµ½µÄ½áÂÛÊÇ£º¸Ü¸Ëƽºâʱ£¬______£®
¢ÜÔÚͼÖл³öÁ½¸ö¹³Âë¶Ô¸Ü¸ËËù¼ÓÁ¦µÄÁ¦±Û£®