#1. Gather wood, plastic golfball, golfball, spagetti O's can, chocolate milk powder jug, tapeball, volleyball, tennis ball, and pinecone.
#2. Build catapult.
#3. Measure mass of each object.
#4. Launch object one at a time.
#5. Measure length launched.
#6. Compare length and mass of objects.
#7. Write conclusion
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