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Ms. Smith Mrs. Malone Ms. Cedillo. Density. October 21, 2013. DO NOW : Date : October 21, 2013 TEKS: 6.8B calculate density to identify an unknown substance Pick up a new Gold Do Now sheet Pre-AP – Turn in Density? Diddy Did It. Put your CB on your desk

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Ms. Smith

Mrs. Malone

Ms. Cedillo

Density

October 21, 2013

  • DO NOW:

  • Date: October 21, 2013

  • TEKS:

  • 6.8B calculate density to identify an unknown substance

  • Pick up a new Gold Do Now sheet

  • Pre-AP – Turn in Density? Diddy Did It.

  • Put your CB on your desk

  • Copy down this week’s TEKS

  • Read the Do Now Reading

  • 5. Q?: Who was the person who named Oxygen?

  • Why is Oxygen such an important element?


ANNOUNCEMENTS!

  • Homework: Calculating Density Practice – due Friday

  • Tutorials: Monday (Today!) after school

  • Science Olympiad Club: Meets Today after school

  • Friday Quiz: Be able to calculate density to identify an unknown


Grade level agenda
Grade Level Agenda

  • Start working on Density? Diddy Did It. Show all work and include units.

    • Example: D=m/v D= 10.0g/5.0mL D=2.0g/mL

  • Finish Density? Diddy Did It in class today


Measurement practice
Measurement Practice

  • Watch the scale of each graduated cylinder!

    • Is it 1.0mL?

    • Is it 0.1mL?

    • Is it 2.0mL?

  • You may use a calculator for volume of a solid = l*w*h

  • You may use a hand lens for the triple beam balances


Ms. Smith

Mrs. Malone

Ms. Cedillo

Density

October 22, 2013

  • DO NOW:

  • Date: October 22, 2013

  • 6.6B calculate density to identify an unknown substance

  • Put your CB on your desk

  • Read the Do Now Reading

  • Q?: The atoms of an element are made of the three subatomic particles. What are the names of the subatomic particles?


ANNOUNCEMENTS!

  • Homework: Calculating Density Practice – due Friday

  • Science Olympiad Club: Meets Monays after school

  • Friday Quiz: Be able to calculate density to identify an unknown


Pre ap measurement practice
Pre-AP Measurement Practice

  • Watch the scale of each graduated cylinder!

    • Is it 1.0mL?

    • Is it 0.1mL?

    • Is it 2.0mL?

  • You may use a calculator for volume of a solid = l*w*h

  • You may use a hand lens for the triple beam balances

  • When you finish: Pick a left side assignment from pages 6-7 in your comp book and complete an assignment on Density on your next available left page


Ms. Smith

Mrs. Malone

Ms. Cedillo

Density

October 23-24, 2013

  • DO NOW:

  • Date: October 23-24, 2013

  • 6.6B calculate density to identify an unknown substance

  • Put your CB and Measurement Practice Packet on your desk

  • Read the Do Now Reading

  • Q?: How did Lavoisier prove that matter is never lost or gained?


ANNOUNCEMENTS!

Homework: Calculating Density Practice due Friday

Science Olympiad Club: Meets Mondays after school

Friday Quiz: Be able to calculate density to identify an unknown


Grade level measurement practice
Grade Level Measurement Practice

  • Watch the scale of each graduated cylinder!

    • Is it 1.0mL?

    • Is it 0.1mL?

    • Is it 2.0mL?

  • You may use a calculator for volume of a solid = l*w*h

  • You may use a hand lens for the triple beam balances

  • When you finish: Pick a left side assignment from pages 6-7 in your comp book and complete an assignment on Density on your next available left page


Pre ap before we start the lab
Pre-AP: Before we start the lab…

  • Put backpacks under table

  • Pre-AP: You will have time to complete the Measurement Practice Packet after today’s lab. Please turn in your Measurement Practice Packet today.

  • Clear desk – we’re using water!

  • Write first and last name on your lab paper!


Ms. Smith

Mrs. Malone

Ms. Cedillo

Searching for Density Lab

October 23-24 2013

  • Yellow- Materials Manager

    • Only person allowed out of seat during lab

    • Obtains and returns all lab materials

  • Blue- Safety/Clean-up Manager

    • Enforces all safety rules

  • Green- Activity Director

    • • Reads directions to the group

    • • Keeps group on-task

  • Red - Data Manager

    • Records all data

    • Ensures all group members have lab data

  • :


    Searching for density lab
    Searching for Density Lab

    • Describe your cylinders with detail (translucent yellow cylinder, 3.7cm in length, shiny, rubbery solid, feels heavy for its size)

    • Take accurate measurements – there is a right answer!

    • Measure length in centimeters (cm) to one decimal place (Example: 3.7cm)

    • Measure volume in milliliters (mL) to one decimal place (Example: 4.5mL)

    • Measure mass in grams (g) to two decimal places (Example: 86.35g)

    • 0.77 g/mL = Maple

    • 0.90 g/mL = Polypropylene

    • 1.15 g/mL Polyamide (Nylon)

    • 1.17 g/mL = Acrylic #1

    • 1.17 g/mL = Acrylic #2

    • 1.23 g/mL = Polyurethane

    • 1.32 g/mL = Phenolic

    • 1.37 g/mL = PVC #1

    • 1.37 g/mL = PVC #2

    • 1.37 g/mL = PVC #3

    • 2.2 g/mL = PTFE (Teflon)

    • 2.71 g/mL = Aluminum


    Ms. Smith

    Mrs. Malone

    Ms. Cedillo

    Density

    October 25, 2013

    • DO NOW:

    • Date: October 25, 2013

    • 6.8B calculate density to identify an unknown substance

    • Turn in Calculating Density Practice Homework (Pink Paper)

    • Keep your gold Do Now sheet in a safe place for next week

    • Read the Do Now Reading

    • 3. Q?: How is oxidation a chemical reaction?


    ANNOUNCEMENTS!

    Homework: Check Gradespeed and class website for missing work

    Tutorials: Monday after school

    Science Olympiad Club meets Monday after school

    Energy Next Week!


    The case of the lost labels quiz
    The Case of the Lost Labels Quiz

    • Put your first and last name on the paper

    • Show all work – all problems should be set up like the first problem for full credit

    • Identify the mystery liquids and add them to the data table

    • Work on Measurement Practice Packet when finished and turn it in!

    • Did you turn in your Pink Calculating Density Practice Homework paper?

    • Did you turn in your Yellow Do Now sheet?


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