Chemistry Content Standards

Notes and Links

Properties of Matter How does the structure of matter affect the properties and uses of materials?

What is Matter?

Element Song

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Safety! Safety! Safety!

6.1 - Materials can be classified as pure substances or mixtures, depending on their chemical and physical properties.

Classifying Matter Chart

Classification of Matter

a) Mixtures are made of combinations of elements and/or compounds, and they can be separated by using a variety of physical means.

Mixtures

b) Pure substances can be either elements or compounds, and they cannot be broken down by physical means.

Mixture Activity Fun = Table of Condiments That Periodically Go Bad

Variables

Expected Performances

More Notes

C 1.  Describe the properties of common elements, such as oxygen, hydrogen, carbon, iron and aluminum.

Periodic Table Notes

Periodic Table

Dynamic Periodic Table

Chemistry

Molecules

Chemfiesta

Some Chemical Reactions

C 2.  Describe how the properties of simple compounds, such as water and table salt, are different from the properties of the elements of which they are made.

Atomic Structure Notes

Balancing Chemical Equations

Conservation of Mass

Conservation of Mass

C 3.  Explain how mixtures can be separated by using the properties of the substances from which they are made, such as particle size, density, solubility and boiling point.

Density

Kid Pages

Ionic Versus Covalent Bonding

Losers, Takers and Kings

Chem 101 Class Notes

Sample Questions

Chemistry Games

Chemistry Links for kids

Quizzes

Review

 

 

Grade Level Expectations:

  1. Describe the structure of the atom and its component parts.
  2. Explain that density (mass/volume) is a characteristic property that can be used to identify an element or substance.
  3. Compare and contrast the properties of a metal (aluminum, iron, etc.) with a nonmetal (oxygen, carbon, etc.)
  4. Illustrate the differences in the physical and chemical properties of a molecule and the individual atoms that bonded to form that molecule.
  5. Differentiate between a mixture and an element or compound and identify examples.
  6. Conduct and report on an investigation that uses physical means such as particle size, density, solubility and magnetism to separate substances in a mixture.
  7. Use the patterns in the Periodic Table to locate metals, semimetals and nonmetals and to predict the general characteristics of an element.

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"You know the oxygen masks on airplanes? I don't think there's really any oxygen. I think they're just to muffle the screams." - Rita Rudner

 

Q: what do you call the leader of a Chemistry gang?
A: The nucleus

 

FROM THE MOUTHS OF SCIENCE STUDENTS:

"Nitrogen is not found in Ireland because it is not found in a free state."

"H2O is hot water, and CO2 is cold water."

"To collect fumes of sulphur, hold a deacon over a flame in a test tube."

"When you smell an odorless gas, it is probably carbon monoxide."

"Water is composed of two gins, Oxygin and Hydrogin. Oxygin is pure gin. Hydrogin is gin and water."

"A super saturated solution is one that holds more than it can hold."

These comments come from test papers and essays submitted to science and health teachers by elementary, junior high, high school, and college students and compiled at the NEA Life Sciences Symposium, Kansas City, Kansas. As the originator noted, "It is truly astonishing what weird science our young scholars can create under the pressures of time and grades." Please note that the original spelling has been left intact.

Protons have mass? I didn't even know they were Catholic.

Mr. Hand's 8th Grade Science Site