Tìm và giải thích các ví dụ thực tế về sự bay hơi, sự ngưng tụ (2 ví dụ trở lên).

2 câu trả lời

Đáp án:

 

Giải thích các bước giải:

 VD về sự bay hơi:

Khi đun nước sôi, ta thấy có hơi nước bay lên

Quần áo khi giặt xong mang ra ngoài trời nắng phơi, sau một thời gian ta thấy quần áo khô dần. ( vì nước trên quần áo đã bay hơi )

VD về sự ngưng tụ:

Hơi nước bay lên cao gặp nhiệt độ thấp sẽ ngưng tụ lại thành những đám mây

Vào ban đêm, hơi nước trong không khí gặp lạnh sẽ ngưng tụ lại thành các giọt sương

- Sự bay hơi:

+ Ở 100 độ C, nước bay hơi thành hơi nước

+ Lau ướt bảng, một lúc sau nước bay hơi hết, bảng sẽ khô.

- Sự ngưng tụ:

 + Hơi nước trong các đám mây ngưng tụ thành mưa.

+ Khi hà hơi vào mặt gương, hơi nước có trong hơi thở gặp gương lạnh, ngưng tụ thành những hạt nước nhỏ làm mờ gương.

*Chúc bạn học tốt!*

 

Câu hỏi trong lớp Xem thêm

I. Circle the correct one. “Too or Enough” 1) This car is too/enough old. We cannot go anywhere. 2) This book is too/enough thick for me to read. 3) That dress is cheap too/enough to buy. 4) This question is too/enough complicated to answer. 5) Everybody is too/enough excited about the holiday to focus on their work. 6) I can join that club. I’m young too/enough. 7) She can’t come with us to the bar. She’s too/enough young. 8) We have too/enough eggs to make a cake. 9) Do we have too/enough time to catch the bus? 10)This boy is too/enough noisy. I can’t study! 11)Mary’s room is too/enough dirty. Her mom is angry. 12)Tom is tall too/enough to join a basketball team. 13)This bag is too/enough heavy. I can’t carry it. II. Complete with “too” or “enough”. 1- She is clever ........................ to pass the test. 2- The skirt is ........................ long for you. 3- Kate is .......................young to drive a car. 4- There is ......................... meat in the fridge for the whole week. 5- I didn’t work hard ........................ to pass the exam. 6- We can’t buy the car because it is .......................expensive. 7- He can’t sleep because he drinks .......................much coffee. 8- Are you tall ...................... to reach that shelf? 9- They often take the bus to school because it’s ................... far to walk. 10- She isn’t fast ...................... to win the race. 11- There’s .......................food for everyone to eat. 12- She isn’t speaking clearly ................for me to understand. III. Complete the sentences with “too – enough” by using the words given. 1) I don’t want to eat that soup. It is _______________________. ( cold ) 2) She can’t come to party with us. She isn’t _______________________. ( old ) 3) They need much money. That car is _______________________ to buy. ( expensive ) 4) We don’t need to worry about the food. It is _______________________. (fresh ) 5) I missed the bus because I got up _______________________. ( late ) 6) I cannot buy that dress. It isn’t _______________________ for me to buy. ( cheap ) 7) I cannot climb that mountain. It is _______________________. ( high ) 8) You should help your sister. She is _______________________ to eat herself. (young) 9) It is _______________________ to see the way. ( foggy ) 10) He is _______________________ to win the race. ( fast ) 11) He is _______________________ to be the headmaster. ( qualified ) 12) Don’t want any help from him. He is _____________________ to help anyone. (rude) 13) The movie was _______________________. I couldn’t watch it. ( boring ) 14) Ben is _______________________ to solve the problems. He never studies. ( lazy ) 15) The questions were _______________________ to solve. ( difficult ) 16) Jeremy is _______________________ to talk people. ( shy ) 17) Ashley is _______________________ to pass the test. ( hardworking ) 18) I can’t wear this t-shirt. It is _______________________. ( small ) Giúp mk vs, tuy ns dài nhưg rấc cần sự giúp đỡ! Mk cần 2 bn lm ạ, bn nào có sức thì làm 2 bài, còn bn còn lại lm 1 bài a

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