The Delta Education Stackable Balance is a two-piece balance for grades K-8 to learn about the mass of objects, has a hollow pivot base that acts as a knife-edge for balancing the hollow center of the weighing beam, and is made from durable, vacuum-formed polystyrene. The triangular balance base measures 3.0 x 5.25 x 2.5 inch (H x W x D) and is hollow for stacking. The weighing beam measures .081 x 12 x2.87 inch (H x W x D) and has a 2.5-inch diameter pan on each end in which measured objects and weights are placed. The weighing beam has a hollow center and is also designed for stacking. (H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.) Balances are used to determine the mass of an object by comparing it to the mass of a known object.
Science education products incorporate applied math and science principles into classroom projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology.
School Specialty provides instructional materials and supplies under dozens of brands, among them Think Math, Delta Education, Frey Scientific, Childcraft, and School Smart. The company, founded in 1959, is headquartered in Greenville, WI.
