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Things to Know About Robotics Learning for Beginners

Robotics is an exciting and ever-evolving field that combines engineering, technology, and creativity to build intelligent machines. Whether you're a student, a hobbyist, or a parent guiding your child into robotics, understanding the basics is essential for a rewarding learning experience. Here are key things to know before diving into the fascinating world of robotics. 1. What Robotics Is At its core, robotics involves designing, building, and programming machines that can perform tasks autonomously or with minimal human intervention. Robotics integrates multiple disciplines, including: Mechanical Engineering: For designing the physical structure of robots. Electronics: For creating circuits and connections that enable movement and sensing. Programming: For writing the code that controls robot behavior. Having a basic understanding of these fields will give you a strong foundation as you start your robotics journey. 2. The Importance of Problem-Solving Skills Robotics is all a...
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Sugar Candy Crystals


Rock Candy Crystal




Want to make some tasty fun crystals? Here is how you can make sugar or rock candy crystals. Engage your kids with this fun activity and grow some cool crystals. Sugar crystals or rock candy is really interesting and is non-toxic and safe to eat but requires adults' assistance to prepare it.  As sugar readily accepts food coloring.  But it grows as crystals very slowly it will often take a week to grow crystals.

Material Required:

  • Sugar ( 1 1/2 cup of white sugar)
  • 1 cup of water
  • Small plate
  • Spoon
  • Glass
  • Pop sticks
  • Food coloring
  • Some small clean jar
  • Waxed paper

Method to Grow Candy Crystals

1. Take some water into a glass, take some sugar on a small plate and sheet of wax paper 

2. Dip one end of the stick in water, roll it on the sugar plate and place it on the waxed paper to dry.

3. Now take a cup of water and add 1/2 cup of sugar to the pan and stir it well until no more sugar can dissolve. 

(Add more sugar if required until you can't dissolve any more sugar even after stirring for several minutes. You may even require 1 1/2 cup of sugar. It is ok if there are some undissolved sugar crystals present at the bottom of the pan.)

4.  Now boil the sugar mixture in the medium flame stirring continuously until the sugar dissolves completely. 

5. Keep the saturated solution boiling and stirring until it becomes clear but not more than 5 minutes If you heat for a long time the candy crystals will become harder. Stop boiling as soon as you see the clear solution.

6. Now cool the supersaturated solution. After the pan gets cooled, pour the solution slowly into the small jar such that the sugar solution is covered into some length of the sticks which is sugar-coated initially.

7. Add a few drops of different food coloring to each jar and stir it to get colorful sugar candy crystals. 

8. Once the sugar-coated sticks are dry, place each stick into each jar.

9. Place the jar carefully in the undisturbed place. check them every day and stir them gently to break up the large crystals forming on the surface.

10. After a few days you could see the crystals growing on the sticks. Within a week, you could see a lot of crystals. Once the crystals are attained to the desired size you can take them out and keep them in clean glass to dry.

Now your sweet sugar rock candy is ready to enjoy.

Science Behind

Once the saturated solution is heated to a certain temperature it is able to dissolve more sugar and form a supersaturated solution. 

The sugar in the stick act as seeds, once dipped in the warm supersaturated solution the sugar molecules in the supersaturated solution join the sugar molecules in the stick and form crystals.

 Once it gets cooled water evaporates and dries up in the air leaving the sugar molecules in the jar.  And the sugar molecules join the other sugar molecules which results in a larger crystal. 

As sugar readily accepts food color it is easy to prepare colorful sugar crystals which look attractive and enjoyable.

Note: Please do the experiments with adult supervision


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