An open syllable is one that ends in a vowel. (You can think of it as there being no consonant to close it in).
Some examples are:
The first syllable "ba" is the open syllable.
Yes, the first syllable 'fla' is an open syllable.
Photo is an open syllable word.
It is an open syllable.
First syllable closed, second syllable open.
First syllable open, second syllable closed.
The first syllable "ba" is the open syllable.
Yes, the first syllable 'fla' is an open syllable.
Photo is an open syllable word.
It is an open syllable.
First syllable closed, second syllable open.
The syllable "u" is open.
yes it is an open syllable
There is one open syllable - "I"
It's an open syllable.
An open syllable.
Both open syllables.