Day+8

=Day 8 Monday=

Face to Face
>> >> Background: You have learned the definition of several types of materials such as element, solution, compound, mixture. You will now put that knowledge to the test in identifying materials and categorizing them. >> >> Procedure: >> Obtain a plastic bag with the following items in it: chalk, salt, aluminum, granite, sugar water, copper, and solder. Each item is numbered. Your job is to identify each item (do NOT taste anything to identify it!) and classify it. >> Identity means what it actually is from the above list. Classification will be: homogeneous mixture, heterogeneous mixture, element, compound, colloid, or suspension. >> >> >> Item Identity Classification >> 1 ____________ ____________________ >> 2 ____________ ____________________ >> 3 ____________ ____________________ >> 4 ____________ ____________________ >> 5 ____________ ____________________ >> 6 ____________ ____________________ >> 7 ____________ ____________________ >> >> >> Conclusion questions: >> 1. If you know the name of a substance, what is an easy way to determine if it is an element? >> 2. How is a compound different from a mixture? >> 3. List three common ELEMENTS that you can find in your home (you can’t use any from the lab you just did!) >> 4. List two common compounds you can find in your home (you can’t use any from the lab) >> 5. Give a common example of a colloid. >> 6. Give a common example of a suspension. >> 7. Give a common example of a solution. >> 8. What is a homogeneous mixture? >> 9. What is a heterogeneous mixture?
 * Wrap up discussion
 * Lab: Element, Compound or Mixture
 * Lab - Element, Compound or Mixture?
 * Assignment due Wednesday:
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 * quia quiz, 2 attempts possible (not written)