When sunlight reaches Earth’s atmosphere, it bounces off of molecules. The air molecules scatter light — just like billiard balls do when they collide. The shorter the wavelength of the light, the more it gets scattered. This is why the sun’s light looks blue. Sky Blue Is Due to Rayleigh Scattering Sky blue is a…
Plants grow by taking in moisture and nutrients from their soil environment and using light energy to create food for themselves. Plants also possess leaves, roots and stems for support purposes. Germination occurs when seeds break free of their outer coating and start growing roots and leaves known as seedlings, eventually reaching maturity to produce…
Mars is the fourth planet from the Sun and the second smallest planet in the Solar System. It is often called the “Red Planet” because of the iron oxide present on its surface, which gives it a reddish appearance. It has a thin atmosphere and surface features similar to those of the Moon’s impact craters,…
