EASY PREP and engaging science and STEM exercise study for February or any time of the year. Includes an easy-prep experiment, heart strength lesson, and stethoscope design challenge. A comprehensive teacher guide and student reading passage are included to make it a complete project-based learning activity.*Newly updated on January 29th, 2024!!!! Now includes 3 activities.*Included in the Hands-On Unit:NGSS Alignment 2nd and 3rd Grade3rd and 5th Grade Science and Engineering PracticesK-2nd Grad