1. Sponge: This is a classic example of a porous material. It's designed to absorb liquids due to its open structure.

2. Brick: Bricks are made from clay and fired in a kiln. They have tiny pores that allow them to absorb water and mortar, making them suitable for building.

3. Wood: Wood is a natural porous material. The pores in wood allow it to absorb water and nutrients, and also contribute to its ability to breathe.

4. Soil: Soil is a complex mixture of minerals, organic matter, and air. The spaces between these particles create pores that hold water and air, essential for plant growth.

5. Paper: Paper is made from fibers that are pressed together. The spaces between these fibers create pores that allow ink to spread and absorb into the paper.

6. Ceramic: Many types of ceramics, like pottery and tiles, have a porous structure. This can make them useful for absorbing water, like in a flowerpot, or for filtering liquids, like in a coffee filter.