Vocabulary
Density and Forces
Practice Problems
Density Q's
Units
100

Amount of space matter occupies

Volume

100

An object that sinks will displace _______ liquid than an object that floats.

more

100

Brick has a mass of 6,000g and a volume of 2,000 cm^3. What is it's density?

3.00 g/cm^3

100

You have a slice of pizza. You take a few bites of the slice of pizza. Did the density of the pizza change?

No! The mass changed because you ate it, and the volume changed because you ate it, but that keeps the density the same.

100

What is the SI unit of for volume?

m^3

200

measures the amount of gravitational force acting on an object

Weight

200

A floating object is put into a liquid, and you watch the water level rise because of this. This rise in water level is known as_________ .

displacement

200

A metal has a volume of 15cm^3 and density of 3.0g/cm^3. It's mass would be....

45 g

200

What is the density of pure water?

1.0 g/mL

200

What is the SI unit for mass?

kg

300

The tool used to measure liquid volume.

Graduated or measuring cylinder

300

the buoyant force on an object in a liquid is 100 N. What is the weight of the volume of water it displaced?

also 100 N.

300

A shoe box has a volume of 500.00 cm^3 and mass of 750.0 grams. Its density is...

1.5 g/cm^3

300

How does a decrease in volume of an object affect the density of the object?

Density will increase.

300
Aside from the SI unit m^3 for volume, state another common unit to measure volume.

cm^3 or mL

400

The amount of matter in an object

mass

400

an object sinks when it displaces a volume of water that has a weight _______ the object's weight

less than the object's weight.

400

A liquid has a mass of 24 g and density of 2.0 g/mL. It's volume is this....

12 mL

400

Item has a density of 2.5g/cm^3. Will it sink or float in water?

sink

400

Name other units that can be used for density other than the SI unit.

g/mL or g/cm^3

500

The amount of matter in a given volume

Density
500

What is the gravitational force on a suspended object that displaces 60 N of water?

60 N

500

A liquid has a mass of 60 g and volume of 30 mL, its density is....

2.0 g/mL

500

A pencil is floating in liquid A. Another pencil (of the same volume and mass) has sunk in liquid B. Use the terms density to make a comparison between liquid B and A. 

Liquid B must be less dense than liquid A.

500

What is the formula in finding the density of an object?

density = mass/volume