_________ is the quality of being porous or filled with tiny holes.

Porous materials have plenty of spaces or holes called __________ where liquid can be quickly absorbed.

Material that can absorb liquids is said to be ___________

_________ describes how molecules are packed together.

When molecules of a material are tightly packed with almost no space between them, these materials will ________

When materials have molecules that are loosely packed and there is more space between them, these materials will ____________.

When the material is more dense than the water, it will more likely to ___________

When the water is more dense than the material, the material will more likely to _______

Materials that decay are called _________ materials.

These are microorganisms that cause biodegradable materials to decay.