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Matter and how it changes
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Properties of matter
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Solids, liquids, and gases
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Explore atoms and molecules!
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Hands-on science : matter
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Materials
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Molecules
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Matter : see it, touch it, taste it, smell it
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Matter
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Liquid rules : the delightful and dangerous substances that flow through our lives
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Liquid rules : the delightful and dangerous substances that flow through our lives
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Melting, freezing, and boiling science projects with matter
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Change it! : solids, liquids, gases and you
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The nature of matter
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Experiments with solids, liquids, and gases
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Solids and liquids : who messed up my sand?
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Changing forms
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Pop! a book about bubbles
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Everyday physical science experiments with gases
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Everyday physical science experiments with liquids
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Bubbles float, bubbles pop
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Time & space
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Time & space
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Gravity
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The signers : the fifty-six stories behind the Declaration of Independence
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Signers of the Mayflower compact
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Pennsylvania 1776
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Signers of the Declaration: historic places commemorating the signing of the Declaration of Independence
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1776
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1776
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1776
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1776
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1776
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Rebellion 1776
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Time 1776
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1776 : a new look at revolutionary Williamsburg
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The Counter-Revolution in Pennsylvania, 1776-1790
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The revolutionary movement in Pennsylvania, 1760-1776
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Creating the Constitution, 1787
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Heroes of 1776 : the story of the Declaration of Independence
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If you were there in 1776
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Jacob Eichholtz, 1776-1842; portrait painter of Pennsylvania
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The Constitution of the United States
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The Constitution of the United States
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Lancaster diary, 1776 : excerpts from diaries, day-books, journals, newspapers, and court records of the daily life of Lancaster County, Pennsylvania, in the year 1776
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The compleat American housewife 1776
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Daniel at the Siege of Boston, 1776
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Historic reflections - 1776 glimpses of Fairfield area's past
