Yes — this sentence is correct!
The sentence: Melting snow turns into busy, noisy spring streams.
What the parts mean (easy steps):
1. Melting snow is the thing we talk about (the subject).
2. turns into tells what happens to the snow (the action or verb).
3. busy, noisy spring streams is what the snow becomes (the new thing). The words busy and noisy describe the streams, and spring tells when the streams happen.
About the comma: The comma between busy and noisy is fine. It shows two describing words for the streams.
Some easy alternatives you could say:
- Melting snow becomes busy, noisy spring streams.
- Melting snow turns into busy spring streams.
- Melting snow makes noisy streams.
Fun tip: Read the sentence out loud and clap when you say the comma: Melting snow turns into busy, (clap) noisy spring streams. That helps it sound right.
So: no changes are needed — the sentence is grammatically correct and sounds good for describing spring.