多士爐可把電能轉換成熱能。
IS_Section Quiz_5.2_c

Quiz
•
Science
•
7th Grade
•
Hard
AristoScience AristoScience
Used 38+ times
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
正確
不正確
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
植物可把太陽的熱能轉換成化學能,並儲存起來。
正確
不正確
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
能量不可被創造或毁滅。
正確
不正確
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在桑基圖中,箭頭的長度與其代表的能量成正比。
正確
不正確
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電風扇是能量轉換器。
正確
不正確
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一片鎂帶燃燒時,它儲有的化學能會轉換成光能和熱能。
正確
不正確
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
宇宙內所存的總能量永遠保持不變。
正確
不正確
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