See the visible light spectrum wavelengths and colors. Learn about colors beyond the visible spectrum and how our eyes see them.| Science Notes and Projects
Here is a simple step-by-step explanation of how the human eye works, including a diagram of the parts of the eye.| Science Notes and Projects
Learn the difference between ionizing and non-ionizing radiation. See the parts of the spectrum and risks for each type of radiation.| Science Notes and Projects
Learn about infrared light or infrared radiation. Get the definition, wavelength and frequency range, and interesting facts.| Science Notes and Projects
Learn about ozone, including what it is, what it smells like, and its properties. Discover how it protects against UV radiation.| Science Notes and Projects
Learn about the 5 main layers of the atmosphere and also the sublayers. See the height, temperature, and composition of the layers.| Science Notes and Projects