What Makes a Ship Float?
What Makes a Ship Float? A small steel ball dropped into water sinks immediately. A ship weighs thousands of tons, yet it floats on the ocean’s surface. A ship...
Read MoreWhat Makes a Ship Float? A small steel ball dropped into water sinks immediately. A ship weighs thousands of tons, yet it floats on the ocean’s surface. A ship...
Read MoreWhen you toss a ball into the air, it comes down because it is pulled to earth by gravity. Gravity is a force that pulls all things on the earth toward the...
Read MoreWhat Are Scales and How Do They Work? Scales are valuable tools that help us keep track of our weight. In addition to doctors’ offices, you’ll also find...
Read MoreHow Does a Dam Produce Electricity? Much of the electricity we use is produced by power plants located in huge dams. Such plants, called hydroelectric plants, are run...
Read MoreHow Does a Magnet Work? A magnet is usually made of iron or steel. Magnets can be of various shapes, but all of them have the ability to pull things towards themselves....
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