1. Do Now 1)What is the formula for density? 2)What is the volume of the block? 3)An object has a mass of 30g and a volume of 10 cm 3. What is the density? D= m V V = length x width x height V = 5cm x 5cm x 5cm V = 125 cm 3 D= 30g 10cm 3 D = 3 g/cm 3

2. Homework and Announcements Due Concept Map Pages 296-301 Homework USA TestPrep Calculating density worksheet science fair project ideas Announcements Science Fair Projects – Due November 12/13

3. Title: Calculating Density – Mini Lab L.O. SWBAT determine the mass, volume, and density of an irregularly shaped object.

4. Review

5. Calculating the density of an irregularly shaped object. 1.Determine the mass 2.Determine the volume 3.Calculate the density

6. Mini-Lab Part 1 - Bolts 1.Use the digital scale to find the mass of the bolt. Mass of bolt= _________ 2.Carefully pour water into the beaker. 3.Record the volume of the water. V intial = ________ 4.Carefully place the bolt in the beaker. 5.Record the volume of the water. V final= ________ 6.Calculate the volume of the displaced water. V final - V intial = ________ 7.Calculate the density of the bolt. D = m ÷ V =

7. Mini-Lab Part 2 - nut 1.Use the digital scale to find the mass of the bolt. Mass of nut= _________ 2.Carefully pour water into the beaker. 3.Record the volume of the water. V intial = ________ 4.Carefully place the nut in the beaker. 5.Record the volume of the water. V final= ________ 6.Calculate the volume of the displaced water. V final - V intial = ________ 7.Calculate the density of the nut. D = m ÷ V =

8. Summary 3-4 Sentences about your notes. Today I learned how to… What is density? How do we calculate the density of an irregularly shaped object.

9. Homework USA TestPrep Calculating density worksheet science fair project ideas 9