Books to Read

If you enjoy learning what makes things work, you will find more books to read. A few of them are listed here. Your school or public library will have many more. Science Magic: Scientific...

A rainbow of colors

Sunsets and traffic lights, campfires and TV screens---light comes in many different colors. What makes the colors different? Why do we see a rainbow of colors? All the colors of light are given off...

Little blocks of water

Why does lemonade get cooler when you put ice cubes in it? The answer may surprise you. The lemonade cools down because it heats up the ice! Ice cubes are a solid---little blocks of frozen water....

How hot is hot?

Which is hottest---ice cream, a glass of cool water, or a steaming-hot cup of chocolate? Of course, the chocolate is hottest. But it wouldn't be quite right to say that the ice cream and the water...

You’re getting warm

On a chilly day, there's an easy way to make your cold hands feel warmer. Rub them together---fast! Why does rubbing your hands make them warmer? You are made up of molecules, just like all other...

Changing energy

Crack! It's a home run---and it was scored by a hamburger! It's true that the hamburger didn't hit the ball. The batter did. But the batter ate the hamburger for lunch. The batter's body got energy...

Energy from atoms

> What's the smallest bit of something you can imagine? Is it a cookie > crumb? Is it a pinpoint? Maybe it's the period at the end of this > sentence. > > Actually, all things---even you---are made...