There are many different varieties of chili peppers that come in all shapes, sizes, and colors, there's one that's even black! Hotter the pepper, the more capsaicin inside, that sends a signal to your tongue, making you feel like it's burning.

 

 

Examples:

1. My mom put few red chili peppers to her soup to make it spicy.
2. The pizza was too spicy because I added too many red chili peppers.
3. Be careful chopping the red chili pepper, the oils can make your eyes burn!