Each group needs:

• 1 balloon (long shape works best)
• 1 plastic drinking straw (cut in half)
• 1 paperclip
• Masking tape
• Measuring tape (or a yard- or meter-stick)
• Rocket Flight Worksheet, one per person

For the entire class to share:

• Scissors
• Several pieces of fishing line (or fine, smooth string), cut into 30-foot (9-meter) lengths
• Duct tape