Photosynthesis and Oxygen: Grass vs. Trees
Most plants – including trees and grasses – make their own food with photosynthesis. Yet not all plants produce the same amount of oxygen. Learn how grass and trees compare.
How Does Photosynthesis Work?
Photosynthesis is the most important chemical reaction on Earth. Read how it works and watch the short video.
Easter Eggs, Spring Chicks, and Blue Birds
Eggs have long been associated with Easter, but why are chicks sold in the springtime? And why are dyed chicks in Easter baskets?