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

The mass is 4.67g and the volume is 32.8mL. Find Density and say if it sinks or floats.

0.14g/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

Density is 1.74g/mL and the volume is 63mL. Find the mass.

109.62g

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

Mass is 22.95g and volume is 15.45cm3. Find density. Say if it sinks or floats.

1.49g/cm3. The object sinks.

300

What are the units for the volume of a liquid?

What is the definition of milliliters (mL)

400
Density used units such as grams, milliliters, etc.
How does density relate the the Metric System of Units?
400
An object has the Mass of 45.87 g and the Volume of 21.42 mL. Find the Density.
2.1414 g/mL
400

What is mL used to measure?

The volume of a liquid.

400

Don got 25, 27, and 33 drops of water on a penny. Find the average number of drops of water.

Average =28.3 drops of water

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

What is the equation to find temperature in Kelvin?

K = ºC +273

The degrees in Celsius plus 273

500
An object has the Density of 4.67 g/mL and Volume of 3.91 mL. What is the Mass?
18.2597 g.
500

What are grams used to measure?

The mass of an object

500

Find the average of Jose's test scores: 55, 77, 93, 57, 82.

Add up all numbers, then divide by how many test scores he had. 72.8

500

How does changing the mass while keeping volume the same affect density?

Increasing mass while keeping volume constant increases the density. Think of a metal marble and a plastic marble.

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