Most Recent Posts
What Makes the Wind Blow?
What Makes the Wind Blow? Wind is air in motion. Wind is caused mainly by the uneven heating of the air around the earth…
How Far Away Is the Horizon?
The distance to the horizon, the imaginary line where the sky seems to meet the earth, depends on how high our eyes are above…
What Does the Pelican Use Its Pouch For?
The pelican uses its pouch as a dip net to scoop up fish from the water. A pelican's pouch hangs from the underside of…
Can Sound Trigger an Avalanche?
Can Sound Trigger an Avalanche? Under certain conditions experts claim that a sudden, sharp sound can break loose a mass of snow high on…
What Is an Oasis?
Many deserts are almost totally without water. Few plants can live in the dry, moving sands of these deserts. An oasis in the desert…