1. April 25, 2011  Attendance  Day of Service Introduction  Correct Oobleck Packet  12A Density  Homework – 12.1 Density  Learning Targets:  Define density as the ratio of mass per volume  Apply the formula: D = M/V  Examine variations in densities of matter in different states.

2. Table of Contents DateTopicPage 4/7Matter Web Quest47 4/8Particle Theory of Matter48 4/12The Atom/MCA Testing49 4/14States of Matter50 4/19Physical Properties of Matter51 4/20Oobleck!52 4/25Density53

3. Density4/25/11 53 Summary:

4. Warm Up Correct and Turn in your Oobleck Packet. Absent on Oobleck Day last week? Talk to Ms. K. to get your own sample!

5. Which Weighs More? Wood Block Bag of Cotton Balls Candle Wax Clay Pennies Ball

6. Formula for Density Volume = Length x Width x Height Density of Water = 1 g/cm 3 1 cm 3 = 1 mL = 1 gr

7. Activity – 12A Density How does density determine if an object floats or sinks? Skip – Part 4d Challenge (We will do it together next time in class)

8. Wrap Up Summary: Describe how you would find the density of an unknown object. Homework: 12.1 Density (white) 12A Density Lab (skip Challenge) Double Flipper: 12A Density (yellow) 12.1 Density (white)