Bombs Away

Activity Summary

Teams will construct a rubber band-powered catapult and launch different-sized marshmallows at a stationary target.

Required Materials

Per Team
  • 30 cm masking tape, approximately 3/4 -inch (2 cm) wide
  • 10 Popsicle sticks
  • Small and large marshmallows for projectiles
  • Rubber bands
  • 1 small cup
  • Thin string
For Competition and Scoring
  • 2¬†small bins
  • 1 metric ruler
Setup - Place one small bin at a distance of 30 centimeters and another at 60 centimeters. These will serve as targets.

Standards Covered

NGSS Standard(s): 3-PS2-1

CCSS Standard(s): ELA, W.3.10, W.3.3, W.4.10, W.4.3, W.5.10, W.5.3