Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Density Test

The formula for density is m/V
Density is a measure of the amount of mass in a given ____ of a substance. volume
As mass decreases, density will____. decrease
The density of pure water is_____. 1.00 g/cm3
An object that is less dense than the liquid it is placed into will ______. float
A hot air balloon rises in the air when it is _________. less dense than the surround air
Saltwater is ____ dense than fresh water because of its greater mass. more
A block that has a density of 3.40 g/cm3 is___________dense than water. more
As the volume of a substance decreases, its density does what? increases
A substance that has a density of 0.96 g/cm3 will ___________ in water. float
An increase in temperature causes density to_____________. decrease
Ships are able to float because their overall density is __________ than water. less
Boats and ships can float because they contain a great deal of ______. air
Pure gold has a density of 19.3 g/cm3. Pure water would _________ if poured on the gold. float
Volume is the amount of ___________ something takes up. space
The amount of matter a substance is made of is its ____________. mass
Density is a property of pure substances that can be used to help identify them. True or false true
Air is a ___________, not a pure substance. mixture
Mixtures, like pure substances, have a density that doesn't change. True or false. false
A gold ring has a mass of 18.9 g and a volume of 1.12 mL. What is the density of gold? 16.88 g/cm3
Ice float on water because it is ________. less dense than water
A graduated cylinder contains 15.0 mL of water. A marble is added to the water that causes the water level to rise to 30.0 mL. The marble has a mass of 30 g. The rock has a density of_________. 2.00 g/cm3
The more packed in the molecules of a substance are, the ________ its density. greater
Small things that feel heavy are very dense. True or False True
Styrofoam is very dense material. True or False False
A kilometer is equal to ____ meters. 1000
1 cm3 = 1 mL True or False True
1 gram is made of 1000 mg. True or False true
As a substance gets colder, its atoms and molecules speed up and spread out. True or False False