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Measurements
Formulas
Terms Related to Density
Practice Problems
Key Points about Density
100
1.0g/mL
What is the density of water?
100
Mass / Volume
What is the formula for density?
100
The measurement of how much mass of a substance is contained in a given volume.
What is the definition of Density?
100
10g/2 mL. Find Density and say if it sinks or floats.
5.o g/mL. The object sinks.
100
What can Density do when identified?
It can identify an unknown substance.
200
Greater than 1.0g/mL
What is the density of an object that sinks in water?
200
Mass / Density
What is the formula for volume?
200
The amount of space an object takes up.
What is the definition of Volume?
200
1.74g/mL X 63mL. Find the mass.
Mass=1.92g
200
When measuring the Volume of a solid object, what unit is it usually expressed in?
In cubic centimeters.
300
Less than 1.0g/mL
What is the density of an object the floats in water?
300
Density X Volume
What is the formula for mass?
300
The measurement of the amount of matter in an object.
What is the definition of Mass?
300
22.95g / 15.45cm. Find density. Say if it sinks or floats.
1.49g/cm. The object sinks.
300
A measure of the force of gravity on you.
What is the definition of Weight?
400
Units for Density are g/mL or g/cm3
What are the units for Density?
400
An object has the Mass of 15g and the Volume of 3mL. Find the Density.
5 g/mL
400
Substance will change from solid to liquid.
What happens when we incease temperature?
400
41g / 3.2g/mL. Find the volume.
Volumn =12.81mL.
400
To figure out if an object sinks or floats in water, & density is an important physical property of an element.
Why is density important to understand?
500
100g/25ml. Find the density. Does it sink or float?
4.0 g/mL. It sinks.
500
An object has the Density of 4.67 g/mL and Volume of 3.91 mL. What is the Mass?
Mass=18.2597 g.
500
Denisity of Elephant was greater that water.
What is elephant sink in water.
500
97kg / 105L. Find the density. Say if it sinks or floats.
0.92. This object floats.
500
What kind of property of an object is the Mass?
A physical property.