Measurements
What is the density of water?
1.0 g/ml
What is the formula for Density?
density = mass/volume
What tool is used to measure volume?
Graduated cylinder.
An object has a mass of 4.67 g and a volume of 32.8 mL. 1) Find the density of the object, 2) will it sink or float?
1) 0.14 g/mL
2) Sinks
What can identifying the density of an object help with?
Identifying an unknown substance.
If an object sinks, is it more or less dense than water?
More dense.
What is the formula for volume?
volume = mass/density
What tool is used to measure mass?
Triple beam balance.
An object has a density of 1.74 g/mL and a volume of 63 mL. Find the mass.
1.92 g
When measuring the volume of a cube or rectangular, what units are typically used?
cubic centimeters (cm3)
What are the two units for volume?
mL OR cm3
mass = density x volume
Calculate the volume of an object that has a height of 3 cm, a length of 2 cm, and a width of 4 cm.
24 cm3
A CUBE has a mass of 22.95 g and a side length of 5 cm.
1) Calculate the volume of the cube.
2) Calculate the density.
3) will it sink or float?
1) 125 cm3
2) 0.18 g/cm3
3) float
What are the units for mass?
grams (g)
If an object floats in water, is it more or less dense than water?
Less dense.
An object has the Mass of 45.87 g and the Volume of 21.42 mL. Find the Density.
2.14 g/mL
Is density a physical or chemical property?
Physical Property
An object has a mass of 41 g and a density of 3.2 g/mL. Calculate the volume of the object.
12.81 mL
What are the two units of density?
g/mL and g/cm3
A rectangular object has a mass of 47 g, a length of 9 cm, a width of 8 cm, and a height of 3 cm.
1) What is the density of the object?
2)Will it sink or float?
1) 0.22 g/cm3,
2) floats
An object has the Density of 4.67 g/mL and Volume of 3.91 mL. What is the Mass?
18.26 g
An object has the Density of 12.36 g/mL and the Mass of 6.52 g. What is the Volume?
0.5 mL
An 4 g object is dropped into a graduated cylinder filled with 20 mL of water, and raises the water level to 32 mL.
1) Calculate the density,
2) Will it sink or float?
1) 0.33 g/mL
2) float
How many mL equal 1 cm3
1 mL = 1 cm3