MAGNET-(2)-المغناطيس
MAKING A MAGNET Long ago, humans observed that lodestone should pull iron in the direction of it. Lodestone is a product of the mineral magnetite. When they rubbed a chunk…
MAKING A MAGNET Long ago, humans observed that lodestone should pull iron in the direction of it. Lodestone is a product of the mineral magnetite. When they rubbed a chunk…
Hold a refrigerator magnet close to your refrigerator door. Let go of it. If you are close enough to the refrigerator, the magnet will jump across empty space and stick…
Can you imagine a world without cameras? Newspapers, books, and periodicals, as well as your computer, would be devoid of photographs.There would be no school photos, no summer vacation images,…
WHAT ARE OFF-ROAD MOTORCYCLES? Compared to road bikes, off-avenue bikes have light-weight frames and take a seat down better above the ground. Motorcycles made specifically for off-avenue use are regularly…
What has wheels, is going fast, and makes a noisy noise? It’s a motorbike, of course. Motorcycles appear to be bicycles, most effective they’re larger and plenty heavier. Most bikes…
WHEN WERE THE FIRST CARS MADE? The first cars were built in the 1700s. They were powered by steam engines. In England, steam-powered cars weren’t allowed on the roads. They…
People in the 1800s didn’t know what to think about a new invention called the automobile. No one was sure it would catch on.In those days, people often traveled in…
FLYING A PLANE The pilot uses many controls in the cockpit to fly a plane. The pilot pulls a wheel or stick back to make the plane go up. Air…
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Read More