Materials

Anode and Cathode Containers

• Compression fitting, 1/2-inch (in.)

• Sandpaper, medium-grit (1 sheet)

• Permanent marker

• Ruler

• Lab notebook

• Straight-sided plastic (acrylic) storage containers

• Safety goggles

• Drill or drill press/Adhesive

• Paper towel

Electrodes

• Carbon cloth

• Wire strippers

• Conductive epoxy

• Copper wire

• Digital multimeter

• Electrical tape

Salt Bridge

• Petri dish

• Plastic wrap

• Aluminum foil

• Measuring cup

• Tap water

• Pot

• Glass rod

• Spoon

• Stove

• Digital scale

• Agar, 30 g

• Table salt, 6 g and 1/2 tbsp.

• Plastic baggie, 1-qt.

• Refrigerator

Obtaining the Benthic Mud Samples

• Shovel

• Buckets (2)

• Plastic wrap

• Plastic jug with lid (2)

• Access to 2 different types of water that contains different benthic mud samples

Assembling the Fuel Cell

• Measuring cup

• Large bowl

• Spoon

• Aquarium air pump

• Gloves

• Safety goggles

• Mud sample

Testing the Fuel Cell

• Alligator clip cables (4)

• Resistors, 220-ohm (3)1-gallon water buckets(4)

• Buckets for mud (2)

• Glove

• Electrical Tape

• Saran Wrap