Physical Science 8th grade (1).pdf

Transportation entertainment and the things your

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transportation, entertainment — and the things your great great-grandparents before you considered basic, ever come to be? The answers all touch on physics and chemistry. Physical science, the subject of this book, includes physics and chemistry. Physics tells us how and why things move. Chemistry tells us how to make things and what things are made of. Even the most brilliant scientists, the most imaginative inventors, are born not knowing any science at all. Science has been learned over many thousands of years. This chapter is also about how scientists use inquiry to learn how the world works. 1. What is physical science and why is it important to learn? 2. How did people figure out the scientific knowledge that we know?
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