Sessions 1 and 2

For each student:

• copy of the "Challenge Sheet"
• copy of the "Design Specs Sheet"
• copy of the "Scoring Sheet" (optional)

Session 1

For the class:

• several non-biodegradable plastic bags
• several biodegradable plastic bags
• 1-liter plastic soda bottle
• 2 cups of soil
• watering device
• piece of biodegradable plastic bag, approximately 13 x 20 cm

For the teacher:

• pushpin
• pair of sharp, pointed scissors
• pair of plastic gloves (optional)

Session 2

For the class:

• large bag of soil

For each group of 2-4 students:

• 2-liter soda bottle
• pair of scissors
• piece of biodegradable plastic bag, approximately 13 x 20 cm
• cup for scooping soil

For each student:

• copy of "Portfolio Cover Sheet" (see "Eco-Inquiry's Multiple Forms of Assessment")
• copy of "Group Work Evaluation" (see "Eco-Inquiry's Multiple Forms of Assessment")