These challenges are designed specifically for third grade students and align with crosscutting NGSS science, math, and engineering standards! Six challenges are provided to cover major science content areas: Motion and Stability: Forces and Interactions, Heredity: Inheritance and Variation of Traits, Biological Evolution: Unity and Diversity, Earth's Systems, and Earth and Human Activity Pages 5-10: Magnetic Maze Pages 11-15: Marshmallow Catapult Pages 16-22: Genetic Links Pages 23-27: Super