These challenges are designed specifically for fifth grade students and align with crosscutting NGSS science, math, and engineering standards! Six challenges are provided to cover major science content areas: Matter and its Interactions, Motion and Stability: Forces and Interactions, From Molecules to Organisms: Structure and Processes, Earth's Place in the Universe, and Earth's Systems Pages 5-9: Balloon Car Pages 10-14: Candy Chemistry Pages 15-19: Perfect Parachute Pages 20-25: Plant Essenti