Wooden and cork bars of the same size float in a vessel. Which one is wooden and which is cork?

First, let’s determine the densities of the two materials.

1. Wooden block is on average 650kg / m3 (since no specific type of tree is indicated);

2. A cork block is on average 250kg / m3 (it is also not indicated from which wood the cork is made).

Accordingly, the cork block is lighter and will float on the surface. and the wooden one will float a little lower.