How to make LightBulbBy: Shoeng ShoengClass Room: G3YEmail: zhuangcheng2@gmail.com

IntroductionIn this PowerPoint, you will know how to made lightbulb, who invented it and how many kind? Watch to find out!!!!!

How to make Lightbulb???!!I will tell you how to make lightbulb in steps. Read the next slide!!

What do we need???• Glass jar• Fitted cork stopper• 1 inch (2.54 cm) nail• 3 feet (0.9144 m) shielded copper wire• Iron wire• 6-volt battery• Wire cutter

Step 1,Step2 And Step 3Step 1: Cut the copper wire. You need 2 strands about 1.5 feet long.Step 2 :Remove 1 inch of shielding from the ends of both strands. The shielding is the plastic wish cover the wire.Step 3 : Use the nail to pierce into the cork.

Step4, Step5 and step 6Step 4 : Hold the 2 copper strands parallel to each other in the air.Step 5 : Place one end of each strand 2 inches inside the two holes drilled into the cork.Step 6 : Bend the end of the two strands inside the cork into a hook shape. The hook of the stand should curve the same way!!!

Step 7,Step 8, Step 9Step 7 : Cut the iron wire into 2 inch (3.81 cm to 5.08 cm) strips. Make 5 strips.Step 8 : Twist the 5 iron wire strips together with your fingers. Step 9 : Place the twisted iron wire onto the copper hooks, making sure it touches both copper strands!

Step 10 and 11 and 12Step 10 : Place the twisted iron wire onto the copper hooks, making sure it touches both copper strands. You was almost done!!!Step 11 : Take 1 strand of the copper wire not in the glass jar and wrap the end around 1 end of the battery. Repeat this for the other strand of copper wire and the other end of the battery.Step 12 : You are now finish!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

PictureThis is what we have done!

Who Invented Lightbulb?The answer is THOMAS EDISON.

Kinds of LightbulbsThere were : INCANDESCENTFLUORESCENTHIGH-INTENSITY DISCHARGELED

VideoHi here are some video. Check it out!!! "How to make light bulb VDO"

The End• Thank for watching my presentation!!!!!