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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

Chemistry CH. 3

Intro to Chemistry Priniciples; Unit systems & Dimensional Analysis

density mass per unit volume
volume amount of space an object takes up
mass amount of matter
area A measure of the extent of a surface
conversion factor A ratio that converts a measure expressed in 1 unit to a measure expressed in another unit. EX 1 min = 60 sec.
cubic meter The SI system base unit of volume
dimensional analysis A general problem-solving method in which the units associated with numbers are used as a guide in setting up calculations.
equality conversion factor a ratio that converts one unit of a given measure to another unit of the same measure. 1m /100cm or 100 cm / 1m
equivalence conversion factor a ratio that converts one type of measure to a different type of measure. EX. 2.54 cm. = 1 in.
kilogram The fundamental SI unit of mass.
liter A volume equal to that of a cube whose sides are 1 dm or 10cm.
meter The SI system base unit of length.
percent Parts per hundred (# of items of a specified type in a group of 100 items)
percent error Compares a measured value with its accepted value.
SI Base unit One of 7 SI units of measurement from which all other SI measurement units can come from.
SI-derived unit An SI unit derived by combining two or more SI base units.
SI system of units The preferred metric unit system in all scientific work
temperature A measure of the hotness or coldness of an object
weight A measure of the force exerted on an object by gravitational forces.
Celsius, Kelvin, and Fahrenheit scales 3 major temperature scales



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards