TAILIEUCHUNG - Ebook Encyclopedia physics (Volume 6)

To help you have more references in the process of teaching and learning English for children, invite you to refer to the contents of the book "Encyclopedia physics volume 6". Contents of the document referred to you the words, images and structure of the aircraft. Hope this is useful references for you | Rourke s World of Science Volume 6 Physics By Nancy Harris Editorial Consultant Luana Mitten Project Editor Kurt Sturm Rourke Publishing LLC Vero Beach Florida 32964 Table of Contents What is Physics .4 Mass Length and Motion and Force .6 Motion .6 The Four Fundamental Velocity and Newton s Three Laws of Circular Gravity .15 Simple Machines .17 Forms of Energy .23 Conservation of Energy .23 Potential and Kinetic Momentum and Electricity and Electric Charges .27 Magnetism .32 Heat .36 Temperature .36 Expansion and How Heat Works .40 The Uses of Waves Sound and Waves and The Nature of Where Light Comes From .48 Reflection and Refraction .48 Nuclear Uses of Nuclear Energy .53 Fission and Fusion .54 People Who Study Physics .60 4 Physics What Is Physics Physics is the science of how the universe works. It is a science based on experiments observation and measurement. Experiments involve making things change. Observation is when scientists watch what they are studying very carefully. Measurement is describing things by their weight size or temperature. Physics looks at how tiny atoms are put together. Atoms are tiny particles that make up everything in the universe. Physics looks at how huge planets and stars move. It helps scientists understand the way matter acts. Matter includes the solids liquids and gases in the universe. Physics also helps scientists understand how energy acts. A physicist uses precise measurements. The protons and neutrons in the nucleus of an atom are surrounded by a cloud of electrons. Astrophysicists are physicists who study the stars and .

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