|Address||P.O. Box 219 Batavia, IL 60510|
Materials Included in Kit:
Ball with cup hook, happy
Ball with cup hook, sad
MDO plywood block, 10" x 3" x 1", 2
String, thin, ball of ⅙ lb, 331 m
HS-PS4-1: Use mathematical representations to support a claim regarding relationships among the frequency, wavelength, and speed of waves traveling in various media.