Tag Archives: Sunlight
What is a puffball?
A puffball is a ball-shaped mushroom that gives off a puff of powdery spores when pinched. It is a kind of mushroom growing in a field that looks very much like a round ball. Anyone who has kicked a ripe puffball and watched the cloud of “smoke” puff out knows how the puffball gets its …
How does a plant make its food?
Green plants make food in their leaves in a special food-making process called “photosynthesis.” Green plants make food in their leaves in a special food-making process called “photosynthesis” (pronounced foe toe SIN three sis), a word meaning “putting together with light.” A leaf manufactures food by taking carbon dioxide from the air and water from …
How did the moon get its craters?
The moon is the earth’s nearest neighbor. Even a small telescope brings to view the many craters that pockmark the moon’s rugged surface. Some are miles wide and thousands of feet deep. Scientists believe that the craters were created by ancient volcanoes and by huge meteors crashing into the moon from space. Rocky mountains and …
What is a greenhouse?
A greenhouse is a glass building to which flowers and other plants can be grown all year – even when the ground is white with snow. No matter what the weather is like outside, it’s always just right for the plants inside a greenhouse. The glass roof and walls let in just the right amount …
What makes the color in a rainbow?
The colors in a rainbow are made by sunlight shining through raindrops in the air, which separate the light into the colors of the spectrum. A rainbow occurs at the end of a storm, when the sun begins to shine while the air is still filled with raindrops. When the sunlight passes through the millions …
Why do sunsets look red?
During the evening, when the sun is near the horizon we may see a beautiful sunset. The reds and oranges of a sunset are caused by the filtering action of the sky. Sunlight, as we know, is made of many colors. We can see the colors that make up sunlight when we look at a …
What is a rain forest?
A rain forest is a very dense and dark forest that grows in a land where the rainfall is very heavy. A rain forest is a large, very thick forest in a land where rain is very heavy throughout the year. The closely crowded trees need at least 80, and often much more, inches of rain each …
