中学生网络课堂本课配套习题挑战模式1/5
在用量筒与天平测量一不规则小石块的密度时，为了测量更准确，我们先测量它的体积还是质量（ ）
| A: 先测体积 |
| B: 先测质量 |
| C: 无所谓 |
| D: 同时测量 |
- 提示1：PHA+5LiN6IKv6IO95ZCM5pe25rWL6YeP77yM5Lq65omL5LiN6Laz5ZWK44CCPC9wPg==
- 提示2：PHA+56ys5LiA5qyh5rWL6YeP5LiN6IO95b2x5ZON56ys5LqM5qyh5rWL6YeP57uT5p6c44CCPC9wPg==
- 提示3：PHA+5YWI5rWL5L2T56ev77yM54mp5L2T5LiK5pyJ5q6L55WZ55qE5rC077yM5b2x5ZON6LSo6YeP55qE5rWL6YeP57uT5p6cPC9wPg==
- 答案：Qg==
PGRpdj48c3BhbiBzdHlsZT0ibGluZS1oZWlnaHQ6IDIwcHg7Ij7lhYjmtYvkvZPnp6/vvIzniankvZPkuIrmnIk8L3NwYW4+PHNwYW4gc3R5bGU9ImxpbmUtaGVpZ2h0OiAyMHB4OyI+5q6L55WZ55qE5rC077yM5b2x5ZON6LSo6YeP55qE5rWL6YePPC9zcGFuPjxzcGFuIHN0eWxlPSJsaW5lLWhlaWdodDogMjBweDsiPue7k+aenOOAgjwvc3Bhbj48L2Rpdj4=
本课配套习题挑战模式2/5
以下各组器材中，能测出长方体小金属块密度的是（ ）
| A: 刻度尺、水、细线、烧杯 |
| B: 天平和砝码、量杯、水、细线 |
| C: 量杯、刻度尺、细线、水 |
| D: 刻度尺 |
- 提示1：PHA+5b+F6aG76IO95rWL6LSo6YeP77yM6IO95rWL5L2T56ev44CCPC9wPg==
- 提示2：PHA+5rWL6LSo6YeP55So5aSp5bmz77yM5b+F6aG75pyJ5aSp5bmz5ZKM56Cd56CBPC9wPg==
- 提示3：PHA+5rWL5L2T56ev5pa55rOV5b6I5aSa77yM5q2j5pa55L2T5Y+v5Lul55So5Yi75bqm5bC677yM5Y+v5Lul55So6YeP562S44CCPC9wPg==
- 答案：Qg==
PGRpdj7kuI3orrrmmK/np7Dph4/ms5Xov5jmmK/nrYnkvZPnp6/ms5XvvIzpg73pnIDopoHlpKnlubPvvIzmiYDku6XmsqHmnInlpKnlubPnmoTmjpLpmaTvvIzmjpLpmaRBQ0Q8YnI+PC9kaXY+PGRpdj5C5piv562J5L2T56ev5rOV5Luq5Zmo77yM5Y+v5Lul56ew6YePPGJyPjwvZGl2Pg==
本课配套习题挑战模式3/5
| A: 用天平测量出塑料块的质量 |
| B: 取一小块铁块，用天平测出它的质量 |
| C: 将铁块浸入盛有水的量筒中，记下水面的高度 |
| D: 把铁块和塑料块系在一起再放人，记下液面的高度差 |
- 提示1：IOimgeeUqOWkqeW5s+a1i+i0qOmHj+OAgg==
- 提示2：IOeUqOmHjemUpOazlea1i+WhkeaWmeWdl+S9k+enr+OAgg==
- 提示3：IOa1i+WhkeaWmeWdl+WvhuW6puWSjOWwj+mTgeWdl+i0qOmHj+aXoOWFs+OAguaJgOS7peS4jemcgOimgea1i+OAgg==
- 答案：Qg==
PGRpdj7nu5nkuoblpKnlubPlkozph4/nrZLvvIzmiYDku6XnlKjnp7Dph4/ms5XmtYvph4/vvIzlm6DkuLrloZHmlpnlnZfmvILmta7lnKjmsLTpnaLkuIrvvIzmiYDku6XpnIDopoHpkojljovms5XmiJbogIXph43plKTms5XjgII8L2Rpdj4=
本课配套习题挑战模式4/5
| A: ①②③④ |
| B: ③①②④ |
| C: ③②①④ |
| D: ③①④② |
- 提示1：IOWFiOi0qOmHj+WQjuS9k+enrw==
- 提示2：IOazqOaEj+a1i+S9k+enr+eahOatpemqpA==
- 提示3：IOacgOWQjuiuoeeulw==
- 答案：Qg==
PGRpdj7orqHnrpfkuIDlrprmmK/mnIDlkI7kuIDmraXvvIzmiYDku6XikaPmlL7lnKjmnIDlkI7vvIznp7Dph4/ms5XmtYvph4/niankvZPlr4bluqbnmoTml7blgJnmiJHku6zopoHms6jmhI/vvIzlhYjmtYvotKjph4/lkI7mtYvkvZPnp6/vvIzmiYDku6XmtYvph4/otKjph4/mlL7lnKjnrKzkuIDkvY3jgILikaLmlL7lnKjnrKzkuIDkvY3vvIzikaDikaHmraXpqqTkuK3miJHku6zlhYjopoHnn6XpgZPljp/mnInmsLTnmoTkvZPnp6/vvIznhLblkI7lho3orrDlvZXmlL7lhaXpk4HlnZflkI7nmoTkvZPnp6/vvIzmiYDku6Xpobrluo/lupTor6XmmK/vvIzikaDikaHjgILnrZTmoYjlupTor6XmmK/ikaLikaDikaHikaM8L2Rpdj4=
本课配套习题挑战模式5/5
小磊要用天平和量筒测量绿豆的密度，下列四种方法中最合理的是（ ）
| A: 先用量筒和水测量一些绿豆的体积，再用天平测量这些绿豆的质量 |
| B: 先用天平测量一粒绿豆的质量，再用量筒和水测量这粒绿豆的体积 |
| C: 先用天平测量一些绿豆的质量，再将这些绿豆直接倒入量筒测出体积 |
| D: 先用天平测量一些绿豆的质量，再用量筒和水测量这些绿豆的体积 |
- 提示1：PHA+5YWI6LSo6YeP77yM5ZCO5L2T56ev44CCPC9wPg==
- 提示2：PHA+57u/6LGG5aSq5bCP77yM5LiA5qyh5aSa5rWL6YeP5LiA5Lqb77yM5o+Q6auY5rWL566X57uT5p6c44CCPGJyPjwvcD4=
- 提示3：PHA+57u/6LGG5pyJ6Ze06ZqZ77yM5LiN6IO955u05o6l5rWL5L2T56ev44CCPC9wPg==
- 答案：RA==
PGRpdj7pppblhYjmmI7noa7vvIzlhYjmtYvotKjph4/lkI7mtYvkvZPnp6/jgILlm6DkuLrnu7/osYblsI/vvIzljZXkuKrmtYvph4/kvJrmnInlvojlpKfor6/lt67vvIzmiYDku6XopoHkuIDmrKHmtYvph4/lpJrkuKrjgII8L2Rpdj4=
