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## Warm Up, August 29 th , 2013

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**Warm Up, August 29th, 2013**• What unit measures Mass? Volume? Density? Distance? • What is the formula for density? • What does density measure? • Explain the difference between mass and weight.**Homework Check**• Take out Volume, Area, Density Worksheet.**Homework Review**Area = Length x Width 103 cm x 44 cm = 4532 cm 5 m x 2.5 m = 12.5 m**Homework Review**Volume = Length x Width x Height (Depth) 4532 cm x 3 cm = 13596 cm 12.5 m x 1.2 m = 15 m**Homework Review**Density = Mass / Volume 2000 g / 4000 cm3 = • ½ or 0.5 g/cm3 100 g / 125 mL = • 0.8 g/mL 400 g / 625 mL = • 0.64 g/mL**Area/Volume Lab**• Groups of 3-4. • You will be given a #. That number is the number of your group. All students with the same number are in the same group. • Meet up as a group in four desks in the classroom, do not move desks.**Area/Volume Lab**• Send one person to get the following: • Meter Stick • Lab Sheet • Calculator**Area/Volume Lab**• Complete the questions on the lab sheet for a lab grade. • Use of correct units on the back and math work are required.