Each student needs:

• 1 facial tissue
• 1 cup; narrow cups work better but are not required
• 4-inch length of cotton string
• 1 half-sized piece of letter-sized paper, measuring 8.5 × 5.5 inches
• 1 quarter-sized piece of letter-sized paper, measuring 4.25 × 5.5 inches
• 1 pencil
• 1 drinking straw
• 2 cotton balls
• 1 pair of scissors
• Weight Analysis Worksheet 1
• Weight Analysis Worksheet 2
• Weight Quiz

For the entire class to share:

• target pictures of each of the nine planets: Inner Planets Target and Outer Planets Target
• cellophane tape provided in several dispensers
• 1 box of paperclips