Lightbulbs produce visible lights using the flow of electric current. How this works exactly might be something you’re taking for granted because lightbulbs are so ubiquitous and cheap. Also, virtually everyone just buys lightbulbs at stores and not making them DIY. If you really want to understand how lightbulbs work, then one thing you could do is to make on yourself. It’s a really fun activity, trust us!
Because you'll be dealing with electricity, you should do this activity with an adult.
Watch the video!