Creating a light bulb for a school project is a fun and educational activity that can help students understand the science behind electricity and light. In this step-by-step guide, we will walk you through the process of making a simple light bulb for your next school project.

Materials needed:
- A small glass jar
- Aluminum foil
- A small piece of wire
- A battery
- A small light bulb
- Electrical tape
- Scissors
- Sandpaper

Step 1: Prepare the jar
Start by cleaning and drying the glass jar thoroughly. Use sandpaper to roughen up the inside of the jar where the aluminum foil will be placed. This will help the foil stick better to the jar.

Step 2: Create the filament
Cut a small piece of aluminum foil and fold it several times to create a thin, long strip. This will be the filament of your light bulb. Attach one end of the wire to one end of the foil strip using electrical tape.

Step 3: Attach the filament to the jar
Carefully place the foil strip inside the jar, making sure it doesn't touch the sides of the jar. Use electrical tape to secure the other end of the wire to the rim of the jar.

Step 4: Connect the battery
Connect one end of the wire to the positive terminal of the battery and the other end to the small light bulb. Make sure everything is securely connected and there are no loose wires.

Step 5: Test your light bulb
Turn on the battery and watch as the light bulb illuminates. If the bulb doesn't light up, double-check all connections and make sure the filament is not touching the sides of the jar.

By following these simple steps, you can create a functioning light bulb for your school project. This hands-on activity will not only help you understand the basics of electricity and light but also impress your classmates and teachers with your DIY skills. Have fun experimenting and learning with your homemade light bulb!