Each team needs the following plus the materials for one type of solar cooker:

• scissors
• 250-ml beaker (or large glass jar) to hold 200 ml water
• a non-mercury thermometer
• water, 200 ml per cooker
• timer
• (optional) sunglasses
• Solar Cooker Worksheet, one per student
• (optional) mini-size marshmallows
• (optional) thin Hershey-brand chocolate bar
• (optional) graham cracker

For a shade area control station:

• 250-ml beaker (or large glass jar) to hold 200 ml water
• a non-mercury thermometer
• water, 200 ml

Each team needs the materials to build one of the four types of solar cookers.

Cooker #1 (Box Panel Cooker)

• 1 cardboard box, ~12 in (30 cm) on the longest side (ask students to bring boxes from home)
• rubber cement (or tape)
• aluminum foil, roll or sheets, to line the inside of the box

Cooker #2 (Modified Box Panel Cooker)

• 1 cardboard box, ~12 in (30 cm) on the longest side (ask students to bring from home)
• black paint and brushes (or black construction paper, scissors and glue)

Cooker #3 (Simple Cone Cooker)

• 1 cardboard box in which to prop the cone formed from the poster board (ask students to bring from home)
• 1 poster board, 35 x 35 in (90 x 90 cm)
• aluminum foil, to cover the poster board
• rubber cement (or tape)
• 3 brass brads (or heavy-duty stapler)
• pencil (to poke holes in the poster board if securing with brass brads)

Cooker #4 (Parabolic Solar Cooker)

• 1 rectangular cardboard box to make the frame, the longest side must be ~12 in (30 cm) (ask students to bring from home)
• 1 cardboard box to make the ends of the trough, the shortest side must be at least 9 in (23 cm) (ask students to bring boxes from home)
• 1 poster board, 11 x 14 in (28 x 35 cm)
• aluminum foil, to cover the poster board and trough ends
• pencil (to poke holes in the cardboard)
• rubber cement (or tape)
• clear or masking tape
• 2 nuts
• 2 bolts
• Parabolic Solar Cooker Pattern
• (optional) 1 unpainted wire coat hanger