Each group will need:

• 2 paper cups (one with a hole in the bottom, and one without)
• 2 – 5 different types of soils (with varying grain sizes), labeled Sample 1, Sample 2, etc. (Note: write on a popsicle stick and stand it up in the dirt or affix a sticker to the outside of the cup.)
• access to water (faucet or pitcher/jug of water)
• large beaker or other type of container to collect water
• graduated cylinder or measuring cup
• large waste container for wet soil
• stopwatch
• plastic spoon or other utensil for scraping
• safety goggles, one per student
• 1 copy of the Porosity and Permeability Worksheet