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# The connectd vessels lesson with a fun online educational physics class game.

The "Communicating Vessels" is a free online knowledge level game, about uniform fluid dynamics in a set of
Connected Vessels. Break the potions with liquids to fill up 7 containers with different shape.
A small shooting game for desktop computers, laptops and tablets, which may be played in the web browser.
The Physics Knowledge Board include 6 types of potions to play with.
The game is part of the Interactive Physics Workshop educational tools.

This fun education class may answer some of the following questions:
• What is a communicating vessel?
• Does water maintain equal level in connected vessels?
• Does the shape of the vessel affect the fluid level in it?
• How does uniform fluids act in connected vessels?

## How to play Communicating Vessels.

The task of this game is to fill up the connected vessels with liquid. To do so, on the shelves on the top of the
screen will uppear 6 types of potions, containing different substances. You must aim and shoot the potion to
break it and spill the substance in the connected vessels from the most left container. If the game is used for learning, the teacher read the text in the class subjects while the kids are trying to hit the potions.

Knowledge Achievements:
Know what communicating vessels means.
Difficulty: Easy.
Winning the game rewards +1 Knowledge Level on Planeta 42.
Download version(bottom of the page) include an executable file for Windows OS with local levels only.
Here is a gameplay movie on YouTube.

### Class subject: Communicating Vessels.

 This fun shooting game, is a simple preview of the connected vessels filling principle. The game is designed for learning while playing. All connected vessels filled up with uniform fluids will maintain the same level in the connected containers. This physics phenomenon is very often used in our everyday life, without us even know it. For example, the water in the pipes we use to drink, wash and shower every day is part of one big connected vessels system through the whole city and the water tower, which is situated in a higher city point. Now you can stop wonder from where the pressure in the sink comes so the water can come out. In this game, there are 6 types of potions, containing fluids or gases, which do different things. 1. Breaking the blue potion will spill out water. The water will go to the conncted vessels and fill up them a bit. 2. Breaking the red potion will spill out some juice. Going in the container it will mix up and change the color of the fluid. 3. Breaking the yellow potion will spill out some acid. In this game the acid will just turn one liquid level back. 4. Breaking the green potion will spill out some slime, contaminating the fluid. In real connected vessel, this may disturb the equal level of the fluid. 5. Breaking the black potion will spill out the mercury, poluting the air in the game room. If you break 4 mercury potions, you loose the game. 6. Breaking the purple potion will release some air, reversing the effect of the mercury potion.