How Does a Tree Make Sap?
How Does a Tree Make Sap? Sap is the liquid that flows through trees and other plants and helps them live and grow. The roots of a tree draw from the soil a combination...
Read More
Why Does Poison Ivy Itch?
Why Does Poison Ivy Itch? Woods, seashores, even parks and suburbs contain poison ivy. Never touch poison ivy. It can make your skin itch and blister. The poison that...
Read More
Why Do Leaves Change Colors in Autumn?
Why Do Leaves Change Colors in Autumn? In autumn, the leaves of many trees turn from green to shades of scarlet, gold, orange, and purple. Jack Frost is usually given...
Read More
What Is a Gourd?
Did you ever see a fruit with rind hard enough to use as a cooking pot? A gourd is such a fruit. Gourds are ornamental fruits that are closely related to squashes and...
Read More
How Do Silkworms Make Their Silk?
How Do Silkworms Make Their Silk? Silkworms are the caterpillars of the silk moth. They use the silk they make for their cocoons. Silkworms are fed leaves of the...
Read More