The article a or an?

1.

The article
a or an?

2.

What‘s this?
It‘s a tiger

3.

What‘s this?
It‘s a snake.

4.

What‘s this?
It‘s an elephant.

5.

What‘s this?
It‘s a parrot.

6.

What‘s this?
It‘s an owl.

7.

Is this a crocodile or an alligator?
It‘s an alligator.

8.

words beginning with a
consonant
a
tiger
snake
parrot
crocodile
words beginning with
a vowel
an
elephant
owl
alligator

9.

But: Be careful!
This is a unicorn.

10.

The pronunciation is what counts:
This is a unicorn. This is an unfriendly
unicorn.