what’s the matter? - chandler unified school · pdf filewhat’s the matter? adapted...
TRANSCRIPT
What’s the Matter?
Adapted by J. Phillips from www.middleschoolscience.com 2008
Introduction to Chemistry2nd Quarter 2012
Thursday, October 11, 12
•Anything that has a mass and a volume
Thursday, October 11, 12
•Anything that has a mass and a volume
Thursday, October 11, 12
•Anything that has a mass and a volume
Thursday, October 11, 12
Close up view of atoms and their behavior
Animated images are from http://www.chem.purdue.edu/gchelp/
Thursday, October 11, 12
Close up view of atoms and their behavior
Animated images are from http://www.chem.purdue.edu/gchelp/
Thursday, October 11, 12
Close up view of atoms and their behavior
Animated images are from http://www.chem.purdue.edu/gchelp/
Thursday, October 11, 12
Close up view of atoms and their behavior
Animated images are from http://www.chem.purdue.edu/gchelp/
Thursday, October 11, 12
Close up view of atoms and their behavior
Animated images are from http://www.chem.purdue.edu/gchelp/
Thursday, October 11, 12
Images are from http://www.chem4kids.com
Thursday, October 11, 12
•Changing from one state to another is a Physical Change.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
•Changing from one state to another is a Physical Change.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
•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
Thursday, October 11, 12
•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
Thursday, October 11, 12
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• The building blocks of Matter• Consists of Protons (+), Electrons (-), and Neutrons (N).
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• The building blocks of Matter• Consists of Protons (+), Electrons (-), and Neutrons (N).
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• 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
Thursday, October 11, 12
Thursday, October 11, 12
• A molecule consists of two or more atoms of the same element, or different elements, that are chemically bound together.
Thursday, October 11, 12
• 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 .
Thursday, October 11, 12
Animated images and notes from http://www.chem.purdue.edu/gchelp/atoms/elements.html
Thursday, October 11, 12
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.
Thursday, October 11, 12
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.
Thursday, October 11, 12
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• Solutions are groups of molecules that are mixed up in a completely even distribution.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• 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
Thursday, October 11, 12
• 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
Thursday, October 11, 12
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• The substance to be dissolved.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• The substance to be dissolved.
• The one doing the dissolving.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• The substance to be dissolved.
• The one doing the dissolving.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
Thursday, October 11, 12
Thursday, October 11, 12
Thursday, October 11, 12
Thursday, October 11, 12
Thursday, October 11, 12
• Particle sizes are in between the size of particles found in solutions and suspensions .
Thursday, October 11, 12
• Particle sizes are in between the size of particles found in solutions and suspensions .
• Can be mixed and remain evenly distributed without settling out.
Thursday, October 11, 12
• Particle sizes are in between the size of particles found in solutions and suspensions .
• Can be mixed and remain evenly distributed without settling out.
Thursday, October 11, 12
• Particle sizes are in between the size of particles found in solutions and suspensions .
• Can be mixed and remain evenly distributed without settling out.
Thursday, October 11, 12
• Particle sizes are in between the size of particles found in solutions and suspensions .
• Can be mixed and remain evenly distributed without settling out.
Thursday, October 11, 12
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• They are substances held together by physical forces, not chemical.
• Can be separated physically.
• Solutions are also mixtures.
Images are from http://www.chem4kids.com
Thursday, October 11, 12
• 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
Thursday, October 11, 12
• 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
Thursday, October 11, 12
Thursday, October 11, 12
• Are heterogeneous mixtures consisting of parts that are visible to the naked eye.
Thursday, October 11, 12
• Are heterogeneous mixtures consisting of parts that are visible to the naked eye.
• Substances will settle over time.
Thursday, October 11, 12
• Are heterogeneous mixtures consisting of parts that are visible to the naked eye.
Example: the ingredients in salad dressing
• Substances will settle over time.
Thursday, October 11, 12
• Are heterogeneous mixtures consisting of parts that are visible to the naked eye.
Example: the ingredients in salad dressing
• Substances will settle over time.
Thursday, October 11, 12
Mixtures vs. Compounds
http://www.bbc.co.uk/schools/ks3bitesize/science/chemistry/elements_com_mix_6.shtml
Thursday, October 11, 12
Can you identify the following?You will be shown a series of photos. Tell if
each photo represents an item composed of an element, compound, or mixture.
Review: An element contains just one type of atom. A compound contains two or more different
atoms joined together. A mixture contains two or more different
substances that are only physically joined together, not chemically. A mixture can contain both elements and
compounds. Thursday, October 11, 12
Element, Compound, or Mixture?Rocks
Thursday, October 11, 12
Element, Compound, or Mixture?Rocks
Thursday, October 11, 12
Element, Compound, or Mixture?
Copper
Thursday, October 11, 12
Element, Compound, or Mixture?
Copper
Thursday, October 11, 12
Element, Compound, or Mixture?
Copper
Thursday, October 11, 12
Element, Compound, or Mixture?
Jelly Beans
Thursday, October 11, 12
Element, Compound, or Mixture?
Jelly Beans
Thursday, October 11, 12
Element, Compound, or Mixture?
Table Sugar
Thursday, October 11, 12
Element, Compound, or Mixture?
Table Sugar
Thursday, October 11, 12
Element, Compound, or Mixture?
Table Sugar
Thursday, October 11, 12
Element, Compound, or Mixture?
Diamond
Thursday, October 11, 12
Element, Compound, or Mixture?
Diamond
Thursday, October 11, 12
Element, Compound, or Mixture?
Diamond
Thursday, October 11, 12
Element, Compound, or Mixture?
Tea
Thursday, October 11, 12
Element, Compound, or Mixture?
Tea
Thursday, October 11, 12
Element, Compound, or Mixture?
Salt
Thursday, October 11, 12
Element, Compound, or Mixture?
Salt
Thursday, October 11, 12
Element, Compound, or Mixture?
Salt
Thursday, October 11, 12
Element, Compound, or Mixture?
Neon Gas
Thursday, October 11, 12
Element, Compound, or Mixture?
Neon Gas
Thursday, October 11, 12
Element, Compound, or Mixture?
Neon Gas
Thursday, October 11, 12
Element, Compound, or Mixture?
Salad
Thursday, October 11, 12
Element, Compound, or Mixture?
Salad
Thursday, October 11, 12
Element, Compound, or Mixture?
Pure Water
Thursday, October 11, 12
Element, Compound, or Mixture?
Pure Water
Thursday, October 11, 12
Element, Compound, or Mixture?
Pure Water
Thursday, October 11, 12
Element, Compound, or Mixture?
Aluminum
Thursday, October 11, 12
Element, Compound, or Mixture?
Aluminum
Thursday, October 11, 12
Element, Compound, or Mixture?
Aluminum
Thursday, October 11, 12
Element, Compound, or Mixture?
Lemonade
Thursday, October 11, 12
Element, Compound, or Mixture?
Lemonade
Thursday, October 11, 12
Element, Compound, or Mixture?
Silver
Thursday, October 11, 12
Element, Compound, or Mixture?
Silver
Thursday, October 11, 12
Element, Compound, or Mixture?
Silver
Thursday, October 11, 12
Element, Compound, or Mixture?
Sand
Thursday, October 11, 12
Element, Compound, or Mixture?
Sand
Thursday, October 11, 12
Thursday, October 11, 12
Thursday, October 11, 12