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