1. In this video students can see a simple idea about how they can realize a circuit, an interesting one that has in its components a lemon and an LED. A simple experiment that can be somehow realized even in the class.

http://www.youtube.com/watch?v=D23JH30ZMK0

2. This site could help teachers realize interesting and actual projects with their student. The video presents how to mace a LED Light Brick.

http://www.youtube.com/watch?v=3w5kubENV0k

3. This video represents an experiment, more exactly Glowing bulb - ball of ice - fascinating experience LEDs light red and green. An easy to do experiment that can capture students’ attention and interest for physics. A dynamic way to combine theoretical aspect with funny experiments.

http://www.youtube.com/watch?v=4cv_mV46EcI

4. This is another fascinating video for students. They can learn how to make an ice bulb to glow.

http://www.youtube.com/watch?v=9TqhQs48ZLI&feature=related