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What’s the MATTER , part I

What’s the MATTER , part I. Matter:. Anything that has mass and takes up space Matter is made up of building blocks: atom – smallest unit of an element. element – a pure substance made of only one kind of atom. compound – made of two or more atoms that are chemically combined.

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What’s the MATTER , part I

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  1. What’s the MATTER , part I

  2. Matter: • Anything that has mass and takes up space Matter is made up of building blocks: atom – smallest unit of an element. element – a pure substance made of only one kind of atom. compound – made of two or more atoms that are chemically combined.

  3. States of Matter • Solid- • Definite volume and shape • Particles are tightly packed • Slight expansion when heated • Incompressible

  4. Liquid- • Has definite volume, but no definite shape (assumes the shape of the container) • Particles are loosely packed (can flow) • Easily expand when heated • Considered incompressible

  5. Gas- • No definite shape or volume • Expands to fill the container • Particles are spaced far apart • Compressible

  6. FYI – Composition of Air

  7. Plasma- • Consists of electrically charged particles • It’s an ionized gas • Common in space, but very rare on Earth • Found in lightning, fluorescent lights and neon signs

  8. Gas Liquid Solid Plasma

  9. Energy Amounts in States of Matter • Solid- little energy, particles vibrate and rotate • Liquid- more energy, they move freely • Gas- even more energy, move quickly • Plasma- most energy, move extremely fast

  10. Names of Phase Changes • Solid to Liquid = Melting • Liquid to Gas = Boiling/evaporation • Gas to Liquid = Condensation • Liquid to Solid = Freezing • Solid to Gas = Sublimation • Gas to Solid = Deposition

  11. States of Matter a.k.a. Phases of Matter Gas Energy Liquid Solid

  12. Properties of Matter • 2 Types: • Extensive – depends on the amount of the sample (E AM IS) • Examples = volume mass length weight

  13. Properties of Matter (cont.) • Intensive – does not depend on the amount of the sample (I AM NOT) • Examples = density melting point boiling point malleability ductility color odor

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