Using the new Next Generation Science Standards (NGSS), the My World of Science series provides the earliest readers with background on key STEM concepts. Color and Wavelengths explores the different frequencies in light wavelengths in a simple, e
Using the new Next Generation Science Standards (NGSS), the My World of Science series provides the earliest readers with background on key STEM concepts. Color and Wavelengths explores the different frequencies in light wavelengths in a simple, e
