Untirta (Ciwaru) Science Project Expo 2015

Well, it's my first science project to fulfill Physic last task. There are six groups who participated in this event, which is a student of Chemistry Education itself. The Archimedes group is made a Flood Detector. The Antoine Laurent Lavoisier group is made a miniature car that can be moved by wind or called Fan Car. The Blaise Pascal group made a Hydraulic Pump. The Melvin Kalvin group made a Lava Lamp. My group Alessandro Volta decided to create a battery that made from lemon or called Lemon Battery. And last group Amodeo Avogadro made a Water Rocket.

The Archimedes group with their project

Flood Detector

Antoine Laurent Lavoisier group with their project

Fan Car

The Blaise Pascal group with their project

Hydraulic Pump

The Melvin Kalvin group with their project

Lava Lamp

Alessandro Volta group with their project

Lemon Battery

Amodeo Avogadro with their project

Water Rocket

Now, I will explain how does the lemon battery works? 
When the Zinc plates and the Copper plates comes into contact with the citric acid in the lemon, it starts two chemical reactions. In the Zinc, oxidation reactions is happened and giving the Zinc atom a positive
charge. In otherwise, reduction reactions is happened in Copper plates and giving the Copper
atom a negative charge.

The electrons in lemon are moved in the negative charge to the positive charge. At that time, the chemical reactions changed into the electricity reactions. And the LED is turned on.

 

I'm so sorry I can't explain how another projects works. 

These are the enthusiasm of the visitors and lecturers when they came into our first Science Project Expo 2015

Anyway, it was the last task of Physic project and last lecture with Mrs. Yuvie Oktarisa our Physic lecturer. So, we took some photos with her to memorize it.

I just want to thank to all of student from Chemist Edu. who had made this event was success! And thanks also to Mrs. Yuvie Oktarisa who had taught us well! :) big hug!