This book contains 365 experiments that are inexpensive and use easy to find materials, brief instructions, safety guidelines, and over 700 instructive illustrations.
Can you blow a square bubble from a square hole? Do you know how the narrow beam of light from a film projector fills up a big movie screen? Finding out the answers to these questions isn't just fun--it's physics, and will help kids understand all the wonderful things happening in the world around them. In addition to being a really cool trick, crushing a plastic bottle without touching it teaches budding scientists about air and gases. Floating an ice boat reveals the basic properties of water. And youngsters will feel the force--of gravity--by jumping up onto a chair. Whether they're making money talk or launching their own astronauts, children will really enjoy these activities.
Free Boy is the story of a 13-year-old slave who escaped from Washington Territory to freedom in Canada on the West's underground railroad. When James Tilton came to Washington Territory as surveyor-general in the 1850s he brought with his household young Charles Mitchell, a slave he had likely received as a wedding gift from a Maryland cousin. The story of Charlie's escape in 1860 on a steamer bound for Victoria and the help he received from free blacks reveals how national issues on the eve of the Civil War were also being played out in the West. Written with young adults in mind, the authors provide the historical context to understand the lives of both Mitchell and Tilton and the time in which the events took place. The biography explores issues of race, slavery, treason, and secession in Washington Territory, making it both a valuable resource for teachers and a fascinating story for readers of all ages. A V Ethel Willis White Book
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