Find the odd one out from the following:
Aluminium, Iron, Copper, Silver, Sand

Explanation

To find the odd one out from the list: Aluminium, Iron, Copper, Silver, and Sand, we can follow these steps:

### Step 1: Identify the materials
First, let's identify what each item in the list is:
- **Aluminium**: A metal
- **Iron**: A metal
- **Copper**: A metal
- **Silver**: A metal
...