WorksheetsTest: Density
Total questions: 20
Worksheet time: 10mins
What is density?
The total mass of an object
How much space an object takes up
Mass divided by volume
The weight of an object in water
Which of these objects would likely have the highest density?
A balloon filled with helium
A lead ball
A wooden block
A plastic bottle
If an object sinks in water, what can we conclude about its density?
Its density equals water's density
Its density is less than water's density
Its density is greater than water's density
We cannot determine its density
What happens to the density of water when it freezes?
It increases
It stays the same
It decreases
It depends on the temperature
If an object has a mass of 12 grams and a volume of 3 cubic centimeters, what is its density?
15 g/cm³
4 g/cm³
9 g/cm³
36 g/cm³
Which property does NOT affect the density of an object?
Mass
Volume
Color
Temperature
Why do some objects float in water while others sink?
Because of their weight
Because of their size
Because of their relative density to water
Because of their shape only
The density of pure water at room temperature is:
2 g/cm³
0.5 g/cm³
1 g/cm³
1.5 g/cm³
What happens to the density of a gas when it is heated?
It increases
It stays the same
It decreases
It multiplies
Which statement about density is TRUE?
Density only applies to solids
Density changes when you cut an object in half
Density is a characteristic property of matter
Density is measured in grams only
Heating a gas causes it particles to move ____________ and push ____________ apart, becoming ______________ dense.
faster, farther, less
slower, closer, more
faster, closer, more
slower, farther, less
What is the formula for density?
Density = Mass / Volume
Density = Volume / Mass
Density = Mass x Volume
Density = Mass + Volume
If you know the density and volume of an object but not the mass, is there a way to calculate the mass without weighing the object?
Yes, you can calculate mass by multiplying density by volume.
No, you need to weigh the object to find its mass.
You can only estimate the mass using density and volume.
Mass cannot be determined without knowing the object's weight.
What is the difference in how atoms are packed together between liquids and gases?
There is no difference in how atoms are packed together between liquids and gases.
Atoms in gases are packed tightly together; atoms in liquids have a lot of space between them.
Atoms in liquids are packed together as close as they can get; atoms in gases have a lot of space between them.
Atoms in gases have a lot of space between them; atoms in liquids have a lot of space between them.
What makes it possible to find out which material is more dense just by weighing them?
if all of the masses are equal.
if all of the densities are equal.
if all of the temperatures are equal.
if all of the volumes are equal.
A group of students were asked to layer four solutions that were made with water and the same dissolved solid. They recorded data in the table below to describe the volume and mass of each solution. What is the density of Solution A?
Density of Solution A = 125 g / 100 mL = 1.25 g/mL
Density of Solution A = 100 g / 125 mL = 0.80 g/mL
Density of Solution A = 225 g / 100 mL = 2.25 g/mL
Density of Solution A = 100 g / 100 mL = 1.00 g/mL
A group of students were asked to layer four solutions that were made with water and the same dissolved solid. They recorded data in the table below to describe the volume and mass of each solution. What is the density of Solution C?
1.18 g/mL
0.95 g/mL
1.05 g/mL
1.25 g/mL
Will his shake up toy work the way he wants it to if he uses this salt solution?
Hint: the denisty of salt water is 1.17 g/mL
Yes, it will work as intended.
No, it will not work as intended.
It depends on the concentration of the salt solution.
There is not enough information to determine.
The toy works because of its density and the materials it is made from. Which of the following best explains why the toy works?
The toy floats because its density is less than water and it is made of lightweight materials.
The toy sinks because its density is greater than water and it is made of heavy materials.
The toy floats because it is made of metal.
The toy sinks because it is made of plastic.
Circle all true statements.
When energy transfers to matter, the kinetic energy of the particles increases.
Increased motion of particles causes matter to expand.
Particles get bigger when energy is transferred.
When matter expands, the particles get farther apart making the material less dense.
