* A book: It reflects light from a source like the sun or a lamp, allowing you to see it.

* A tree: Like a book, it reflects light.

* A person: Their clothes, skin, and hair reflect light.

* A rock: Rocks are usually opaque and reflect light.

* A mirror: While a mirror reflects light, it doesn't produce its own light.

* The moon: The moon reflects sunlight.

Let me know if you want more examples!