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Thursday 10/7/2010 Do Now. What is the objective of today’s class? What are the 2 main categories of mixtures? What is an example of a heterogenous mixture? When is your super easy pop quiz?. Class Checklist.

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thursday 10 7 2010 do now

Thursday 10/7/2010Do Now

What is the objective of today’s class?

What are the 2 main categories of mixtures?

What is an example of a heterogenous mixture?

When is your super easy pop quiz?

class checklist
Class Checklist
  • No students were talking during the review of the Do Now, during teaching time (note-taking) and during closing. (2x)
  • Every student was on time
  • No curse words were used inside this room.
  • Every student remained in his/her seat until independent practice.
  • By the time Ms. Chan goes over this list, every table has 2 chairs behind it.
  • All students followed the class rules. (Students did not argue with Ms. Chan; everyone tried their best)
  • Every student brought THEIR OWN pencil and paper to class.
  • Every student followed directions the first time they were given.
  • Every student completed ALL the class work (including: Do Now, notes, class work)
  • No student had his/her head down during class.
  • It took Ms. Chan no more than 10 total seconds to get the entire class’s full attention (eyes forward, mouths shut).
review do now
Review Do Now
  • What is the objective of today’s class?
  • What are the 2 main categories of mixtures?

A: HOMOGENOUS

HETEROGENOUS

  • What is an example of a heterogenous mixture?

A: Italian salad dressing.

  • When is your super easy pop quiz?

A: Today, after taking notes.

announcements
Announcements
  • 2nd PERIOD:
    • Your test corrections need to be in the Assignment Box by the end of this period or I will not give you the extra points.
announcements1
Announcements
  • When I give you back graded work, don’t give it back to me unless I write on your paper: “Finish for more points!”
  • Keep your work in a folder. If you need one, come back after school and I will give you one.
announcements2
Announcements
  • Pop quiz is TODAY after you take notes. It will be an open note quiz.
  • Progress reports will be distributed tomorrow.
  • Your first notebook check will be next FRIDAY. More details on Tuesday next week.
agenda
Agenda
  • Review mixtures and solutions orally
  • Notes on solutions (1 slide)
  • Review Video.
  • Physical Properties (2 slides)
  • Pop Quiz!
  • Homework: On the whiteboards.
review don t copy this down
REVIEW (don’t copy this down)
  • Matter
    • Anything that has MASS and takes up space (VOLUME)
  • Mixture
    • combination of 2 things not chemically bound together
  • Solution
    • a homogenous mixture of 2 substances evenly distributed
      • Solute (ex: sugar)
      • Solvent (ex: water)
slide9

Notes begin on the next slide.

  • Remember: you are responsible only for what is BOLDED and UNDERLINED.
10 7 notes
10/7 Notes

*Solutions

  • Saturated solution – the max amount of solute has been dissolved
  • Supersaturated solution – more than the max amnt has been dissolved. Precipitate is formed at the bottom of the cup.
physical properties
*Physical Properties
  • Characteristics of matter that can be observed using your senses; the substance is NOT changed into something different.
  • Used to separated mixtures.
  • Include:
    • Color
    • Viscosity (resistance of a liquid to flowing)
    • Luster (shininess)
    • Ductility (ability to bend/stretch w/o cracking)
    • Density
    • What is a physical property of your lab desk?
density
*DENSITY
  • How much matter is in a certain volume of a substance
  • Equation:D = m/v

Density = mass/volume

  • SI Units:g/cm3
  • NOTE:1 cm3 = 1 mL
  • Liquid water has a density of 1 g/cm3.
    • If something is MORE dense (ex: brick), it sinks.
    • If something is LESS dense (ex: ice), it floats.
pop quiz 15 points
POP QUIZ!!!(15 points)
  • You may use your OWN notes.
  • 15 questions – each worth 1 point.
  • When you are done, raise your hand and I will collect the quiz from you.
  • Next, copy down the homework for tonight (in red, on both sides of the whiteboard).
  • Good luck!
homework each worth 5 pts both are due tomorrow friday
Homework – each worth 5 pts. Both are due tomorrow (Friday).
  • ACHIEVE 3000 (the website is: www.empower3000.com. This week’s article is about wildfires).
  • In your textbook:
    • Pg. 26, # 5
    • Pg. 44 # 5, 6
    • Read Pg. 45-49. Write down 6 of the physical properties discussed.
class checklist1
Class Checklist
  • No students were talking during the review of the Do Now, during teaching time (note-taking) and during closing. (2x)
  • Every student was on time
  • No curse words were used inside this room.
  • Every student remained in his/her seat until independent practice.
  • By the time Ms. Chan goes over this list, every table has 2 chairs behind it.
  • All students followed the class rules. (Students did not argue with Ms. Chan; everyone tried their best)
  • Every student brought THEIR OWN pencil and paper to class.
  • Every student followed directions the first time they were given.
  • Every student completed ALL the class work (including: Do Now, notes, class work)
  • No student had his/her head down during class.
  • It took Ms. Chan no more than 10 total seconds to get the entire class’s full attention (eyes forward, mouths shut).
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