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Light
What makes light? Kids might give a variety of answers to this question: the sun, a lightbulb, a fire. All of these light sources are explored in this colorful volume The main …
Forces and Magnets
Twisting, pushing, pulling, stretching--these are all ways we can physically use force and see how it affects things. Of course, there are many other forces on Earth that we can't …
Electricity
Electricity is so much more than just plugging a lamp into the wall to make it light. Its power is found in batteries--in a flashlight and in a car--as well as in the world around …
Sound
There are so many concepts to discover when studying sound: frequency, pitch, the speed of sound, decibels, and more Readers explore these topics in this colorful, illustrated …