用注射筒和胡蘿蔔製作的簡易空氣發射器,沒有應用到下列哪一項空氣的特性?

三四總總

Quiz
•
Science
•
3rd Grade
•
Medium
睿廷 簡
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16 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
空氣看不見也摸不著
空氣流動形成風
空氣可以被壓縮
空氣占有空間
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
軒軒在塑膠袋裡裝空氣後把袋口綁起來,壓入水中。請問他要怎麼確認塑膠袋有沒有綁緊、漏氣?
輕輕壓塑膠袋,觀察有沒有氣泡產生
觀察塑膠袋有沒有越來越大
觀察塑膠袋內有沒有變色
觀察塑膠袋有沒有變成圓形
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
空氣品質達到敏感等級時,我們該有什麼因應的防護措施呢?
敏感體質者要留意
可安心到戶外活動
暫停戶外活動
不須任何防護措施
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
古拉可以把空氣填充進各種形狀的氣球裡,這是為什麼呢?
空氣沒有固定形狀
空氣無所不在
空氣體積會變大
氣球受熱會脹大
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪一種水溶液無法只用眼睛看和鼻子聞來觀察,就能正確辨識出來?
食鹽水溶液
烏龍茶
可樂
醋
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪一個行為無法觀察到空氣占有空間?
磁鐵把迴紋針吸住
將空氣打入充滿水的杯子中
將杯子倒過來垂直壓入水中
用力吹氣球,氣球變得鼓鼓的
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
佩可拉在桌上看到一杯無色透明而且沒有沉澱物的水,加入紫色高麗菜汁後,水溶液呈現偏藍綠色,請問是下列哪一種粉末材料?
小蘇打粉
白色砂糖
檸檬酸
食鹽
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