Today I will make an easy science experiment. I already tried this in my elementary school. We will learn to grow crystal. Believe me, this experiment is very easy, simple and fun.
You will need :

• glass jar
• bowl
• spoon
• a long piece of thread
• paper clip
• washing soda
• very hot water
• pencil

Now this is the experiment :

1. Put the spoon into the clean jar, to stop the hot water cracking the jar. Fill the jar with hot water..(please be careful..).
2. Put several teaspoons of washing soda into the water and stir until it has all disappeared. Put in more soda and stir again.
3. Stand the jar in a bowl of very hot water in the jar hot. Spoon in more soda and stir it again until no more can disappear in the water.
4. Now..this is the interesting…tie a paper clip to one end of a piece of thread and tie the other end round a pencil.
5. Drop the clip into the jar… and see what happens..
6. You can mix a few drops of poster paint or ink in the water to make the crystals have color.

If you leave the jar for a few days, the crystals will grow and you now can grow the crystals..