Nombre ________________________________________________ 9/16/2019 Lesson plan 2 Basic units 1) time: measured in seconds 2) Length: measured in meters 3) mass: measured in kilograms but the standard is grams Derived units Volumen = cm x cm x cm = cm3 Densidad = m/v, g/cm3 m=g v=cm3 Cm3 = 1L = 1000mL = 1dm3 Activity 2 What is density? Materials 1) Piece of wood 2) Rule 3) Test tube 4) water 5) balance Process 1) Weigh the unknown in grams 2) Measure your sides cm 3) Divide the dough in grams and divide by your measure in cm3 4) Search volume material Wood Unknown mass volume Density