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5th Grade Science Mrs. LaRosa. Matter Study Guide. www.middleschoolscience.com 2008. Matter. Anything that has a mass and a volume. States of Matter. Solid. Liquid. Gas. Plasma. Close up view of atoms and their behavior.

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5th Grade Science Mrs. LaRosa

Matter

Study Guide

www.middleschoolscience.com 2008


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Matter

  • Anything that has a mass and a volume


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States of Matter

Solid

Liquid

Gas

Plasma

Close up view of atoms and their behavior

Animated images are from http://www.chem.purdue.edu/gchelp/


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Physical vs. Chemical Change

  • Changing from one state to another is a

  • Physical Change.

  • If a new substance is formed it is a

  • Chemical Change.

Images are from http://www.chem4kids.com


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Atoms

  • The building blocks of Matter

  • Consists of Protons (+), Electrons (-),

  • and Neutrons (N).

Elements

  • Consists of only one kind of atom,

  • Cannot be broken down into a simpler type of matter by either physical or chemical means

  • Can exist as either atoms or molecules.

Images are from http://www.chem4kids.com


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Molecules

  • A molecule consists of two or more atoms of the same element, or different elements, that are chemically bound together.

  • In the animation above, two nitrogen atoms

  • (N + N = N2) make one Nitrogen molecule .


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Compounds

  • Atoms of two or more different elements bound together.

  • Can be separated into elements chemically, but not physically.

In the animation above, water (H20) is a compound made of Hydrogen and Oxygen.

Animated images and notes from http://www.chem.purdue.edu/gchelp/atoms/elements.html


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Solutions

  • Solutions are groups of molecules that are mixed up in a completely even distribution.

Homogeneous

  • Uniform Distribution.

  • Example: Sugar and Water

Images are from http://www.chem4kids.com


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Solute

  • The substance to be dissolved.

Solvent

  • The one doing the dissolving.

Images are from http://www.chem4kids.com



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Colloids

  • Particle sizes are in between the size of particles found in solutions and suspensions .

  • Can be mixed and remain evenly distributed without settling out.


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Mixtures

  • They are substances held together by physical forces, not chemical.

  • Can be separated physically.

  • Solutions are also mixtures.

Heterogeneous

  • The substances are not uniformly mixed.

  • Example: Sand in a glass of water.

Images are from http://www.chem4kids.com


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Mixtures

Suspensions

  • Are heterogeneous mixtures consisting of parts

  • that are visible to the naked eye.

  • Substances will settle over time.

Example: the ingredients in salad dressing


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End of the Matter

Study Guide

Next Study Guide will be

“Periodic Table”


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