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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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slide1

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?
slide2

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
slide5

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?
slide6

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
slide8

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?
slide9

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!
slide12

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
slide14

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?
slide15

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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