1. Pure water: Water is a compound made of hydrogen and oxygen in a fixed ratio. A glass of water will have the same composition throughout.

2. Salt (NaCl): Table salt is a crystalline compound that appears uniform throughout.

3. Air: Although it's a mixture of gases, air is homogeneous because the gases are evenly distributed.

4. Sugar (Sucrose): Granulated sugar is a pure compound with a uniform composition.

5. Steel: Steel is an alloy of iron and carbon. While the elements are mixed, the resulting material is uniform in appearance and properties.

Let me know if you'd like more examples!