Learn At Home Resources: Grade 3 Balloon Rockets Part 1: Educator Overview Part 2: Student Activity Part 3: Video - Balloon Rockets Defy Gravity Part 1: Educator Overview Part 2: Student Activity Pom-Pom Catapults Part 1: Educator Overview Part 2: Student Activity Part 3: Video - How To Build A Pom-Pom Catapult Symmetry In Nature Part 1: Educator Overview Part 2: Student Activity