Salma is in her room.
It is a sunny day.
Salma is a very curious girl.
She likes to make new things.
Today she wants to find the north.
She has a small magnet.
She has a small needle too.
She gets a clear cup.
She fills the cup with water.
Now Salma touches the needle with the magnet.
She rubs the magnet on the needle.
She does this many times.
The magnet makes the needle special.
Now Salma puts the needle on the water.
She puts the needle on the water gently.
The small needle floats on the water.
The needle turns and then stops.
The needle points to the north.
Salma looks at the cup.
She finds the north in her room.
It is a compass in a cup!
Salma is very happy with the cup.
She can find the north now.
The needle and the water work together.