Each group needs:

• 1 tub of water around 12 in. x 12 in. x 4 in. (any tub will do)
• 6-8 lettuce seeds
• Chromebook

For the entire class to share:

• water from a fish tank, pond, stream, or lake; any source that has fish, or you can buy liquid plant food to simulate fish waste.
• paper
• cardboard
• pebbles
• string, yarn, or fishing line
• Styrofoam
• Other recyclable waste materials, such as bottles, plastic containers, cups (anything that can be reused from trash/recycle)
• Any other recyclable materials you can find!