This time, let's learn to measure light. This science book will teach your fifth grader that light is an energy form that can be measured using wavelengths, cycle and frequency. Also included in the discussion are the characteristics of white light such as transparency, translucency...
This time, let's learn to measure light. This science book will teach your fifth grader that light is an energy form that can be measured using wavelengths, cycle and frequency. Also included in the discussion are the characteristics of white light such as transparency, translucency...