Here are explanations and experiments concerning forces and machines; sound, light, heat, motion, and electricity; the six simple machines; and such everyday machines as clocks, cam¬eras, and engines.
I speak in many ways. I speak with words most of the time. But sometimes I just speak with sounds that aren’t words. And sometimes I let my actions speak for me. I don’t just hear—I listen. My…
An animal shaped like a star. An animal that looks like a pincushion. An animal that resembles a cookie. An animal that looks like a flower. And an animal that looks like a vegetable. All these…
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