OD: What are 2 examples of characteristic properties

1
9/19/05

• ?OD What are 2 examples of characteristic
  properties?
• The Plan Cottonball and Stick weight data Float
  Test Hypothesis Lab 6 Name that Element
  Distribute notebooks Changes in matter-notes
• HW Notebook, color pencils, ruler, pencil,
  paper, binder, and Science Divider for supplies
  check.
• Standard CA 7.c Substances can be classified by
  their properties 5.a Molecules interact to form
  new products 5.d Materials change without have a
  chemical change

2
9/20/05

• ?OD If you are given an unknown substance, what
  would you need to find out in order to identify
  the substance?
• The Plan Read Knots in my Yo-Yo Supply Check
  Lab 7 Physical and Chemical Changes Lab book
• HW WB pages 157-160 due Friday
• Standards CA 5.a Molecules interact to form new
  products 5.d Materials change without have a
  chemical change

3
9/21/05

• ?OD How can you tell the difference between a
  chemical change and a physical change?
• The Plan Read-Knots in my YoYo string Lab
  Activity 7 Make a ?
• HW See you at Back to School night and WB due
  157-160 due Friday.
• Standards CA 5.d Materials change without have a
  chemical change

4
9/22/05

• ?OD What are three examples of mixtures?
• The Plan Read YoYo Pure Substances Elements
  (examples) Density-What is it how to
  calculate Common Density Lab 9 Case of the
  Missing Crown
• HW WB 157-160 due tomorrow
• Standard CA 7c Substances can be classifified by
  their properties 8a Density is mass per unit
  volume 8b How to calculate the density of
  substances from mass and volume

5
9/23/05

• ?OD Will an object that is less dense than water
  float or sink? Explain.
• The Plan Read YoYo Grade WB 5 minutes to
  finish Lab 9
• HW Have a Great Weekend!
• Standard 8a Density is mass per unit volume 8b
  How to calculate the density of substances from
  mass and volume

W