使用螺絲起子轉動螺絲釘時,手要握在什麼位置會比較省力?
期中考part1

Quiz
•
Science
•
6th Grade
•
Medium
陳秀婷 陳秀婷
Used 4+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
螺絲起子的最前端
螺絲起子的握把
螺絲起子中間的細軸
任何位置的施力大小都相同
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
小明把土司忘在抽屜裡好多天,結果發現土司發黴了,請問發黴的土司外觀看起來是怎麼樣的呢?
變得光滑平整
保持潔白蓬鬆
表面有黑色的毛狀物質
滲出米酒
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個不是「水傳送動力實驗」所需準備的器具?
水
塑膠管
齒輪組
注射筒
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
微生物的生長繁殖最不會受到下列哪一項因素的影響?
水分
空氣
溫度
聲音
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列哪一項不是人們在食品中放入添加物的主要原因?
增進人體健康
延長保存期限
增加美觀
增加口感
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
製作麵包或饅頭時,需要利用哪一種微生物來發酵?
細菌
酵母菌
黑黴菌
青黴菌
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大齒輪24齒,小齒輪6齒,將2個齒輪互相咬合,當大齒輪轉1圈時,小齒輪會轉幾圈?
1圈
2圈
3圈
4圈
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