Are your students ready to understand matter at the particle level?Support your Grade 5 science instruction with this standards-based set of 30 task cards focused on how particles explain changes in matter. Designed to align with TEKS 5.7A, these multiple-choice task cards help students visualize and describe physical changes, states of matter, and the behavior of particles through heat and energy transfer. Each task card presents a single question with four answer choices in student-friendly la