What Are the Dark Spots on the Moon?
The dark spots we see on the moon are really the moon’s large flat plains. The moon’s rugged surface is covered with mountains, craters, and
Tag
Sunlight
How Does the Sun Tan My Skin?
How Does the Sun Tan My Skin? Sunlight tans, or darkens, your skin by causing the skin to produce extra amounts of a skin coloring pigment c
Why Is the Sky Blue?
The daytime sky is blue because of what happens to sunlight as it enters the Earth’s atmosphere. When the Sun is low near the horizon as it
What Makes Plant Leaves Green?
What Makes Plant Leaves Green? The green we see in leaves comes from a green substance called “chlorophyll,” which the plant uses in mak
What Causes Rainbows?
What Causes Rainbows? When the sun is out during or right after a shower, a rainbow appears in the sky. When sunlight strikes the drops of w