matter - mrs. hamric's pageacshamric.weebly.com/uploads/4/9/5/2/4952791/matter... ·...
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5th Grade Science Mrs. LaRosa
Matter Study Guide
www.middleschoolscience.com 2008
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• Anything that has a mass and a volume
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Close up view of atoms and their behavior
Animated images are from http://www.chem.purdue.edu/gchelp/
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• 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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• The building blocks of Matter • Consists of Protons (+), Electrons (-), and Neutrons (N).
• 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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• 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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Animated images and notes from http://www.chem.purdue.edu/gchelp/atoms/elements.html
• 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.
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• Solutions are groups of molecules that are mixed up in a completely even distribution.
• Uniform Distribution. • Example: Sugar and Water
Images are from http://www.chem4kids.com
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• The substance to be dissolved.
• The one doing the dissolving.
Images are from http://www.chem4kids.com
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• 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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• They are substances held together by physical forces, not chemical.
• Can be separated physically.
• Solutions are also mixtures.
• The substances are not uniformly mixed.
• Example: Sand in a glass of water. Images are from http://www.chem4kids.com
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• Are heterogeneous mixtures consisting of parts that are visible to the naked eye.
Example: the ingredients in salad dressing
• Substances will settle over time.
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Matter
Mixtures
Homogeneous
Solution
Solvent Solution
Colloids
Heterogeneous
Suspensions
Pure Substances
Element Molecule
Compounds
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