Are All Sharks Dangerous?
Are All Sharks Dangerous? No – only a few kinds of sharks attack people. In fact, some sharks are frightened by people. There are 480 kinds of sharks. About 03...
Read More
Are All the Parts of a Tree Alive?
Are All the Parts of a Tree Alive? Actually, most of the wood in the trunk and branches (the heartwood) of a tree is dead. The outer layer of bark is also dead. The...
Read More
Why Do Potatoes Have Eyes?
Why Do Potatoes Have Eyes? The tiny indentations, called “eyes,” in a potato are really small buds. When a potato is cut apart, with a bud (or eye) in each section and...
Read More
How Can You Tell How Far Away Lightning Is?
How Can You Tell How Far Away Lightning Is? You can tell how far away lightning is by counting the seconds between the lightning flash and the clap of thunder....
Read More
How Did Schools Start?
How Did Schools Start? Teaching began long before there were any schools. Early children learned most of their skills from their elders. But after people learned to...
Read More
How Do We Get Curd from Milk?
How Do We Get Curd from Milk? Curds are a dairy product obtained by coagulating milk in a process called curdling. The coagulation can be caused by adding rennet or any...
Read More
How Much Does an Elephant Eat?
How Much Does an Elephant Eat? Large animals need an abundance of food, and the elephant seems to eat all the time. A wild elephant may eat a quarter of a ton of forage...
Read More
Are Icebergs Made of Salt Water?
Are Icebergs Made of Salt Water? Icebergs do not consist of salt water, but are made of fresh-water ice. They do float in salt water. Icebergs begin as snow, high in...
Read More
Do Submarines Have Anchors?
Do Submarines Have Anchors? They sure do. Submarines need anchors for the same reason that other ships do. Any time a submarine needs to maintain its position on the...
Read More
Why Do You Sometimes Get a Pain in Your Side When You Run?
Why Do You Sometimes Get a Pain in Your Side When You Run? The sharp pain that you sometimes feel in your side when you’re running is called a stitch. A stitch is...
Read More