Science states of matter project?

In science class we have to draw pictures of regular objects, but so they represent the states of matter (solid, liquid, gas, plasma). It must show that in the solid the molecules (the objects) are packed tight. In the liquid tey can slide over eachother. The gas spread out. And the plasma packed in tight but extremely hot. (a fight could represent the heat). Now my question is what should i make the object? It needs to be sometging people will reconize.