What happens to water when it boils?
A B C D
It changes color. It becomes heavier. It changes into water vapor. It stops bubbling.
Question: What happens to water when it boils?
(A) It changes color.
(B) It becomes heavier.
(C) It changes into water vapor.
(D) It stops bubbling.

Answer: (C) It changes into water vapor.
Answer: (D) It stops bubbling.
Question: What happens to water when it boils?
(A) It changes color.
(B) It becomes heavier.
(C) It changes into water vapor.
(D) It stops bubbling.
Answer: (C) It changes into water vapor.