You will find a beautiful colored water fountain starts to shoot up in your water bottle without any mechanical pump and electricity.
Water bottle fountain experiment.
We might just decide to feature it here.
Science behind this science project.
This is the hardest part of the activity and is best done by an adult.
Add the funnel to your bottle and carefully pour your water into the bottle.
This is due to equal air pressure pushing downwards through the opening of the straw and the bottle.
Empty the water into a jug so you can boil it again to repeat the experiment or pour it on a plant once it has cooled down.
When you invert the water bottle then plain water of the bottle starts to flow out from drainage straw due to gravity and air pressure decreases inside the bottle.
Once the water drops below the level of the outlet tube in the fountain supply the heron fountain will stop.
If the bottle is wet the blu tac will be hard to stick.
Wear a thick glove or oven mitt to handle the bottle.
Fill a small bowl with cold tap water food colouring is optional but makes a much prettier fountain.
This experiment has lots of variations and many different ways of building depending upon time and resources.