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

LSH PS Unit 1B

Standards & Measurements

Precision How consistent results are
Accuracy Closeness to actual value
Meter The SI unit for distance or length
Kilogram The SI unit for mass
Second The SI unit for time
Ampere The SI unit for electrical current
Kelvin The SI unit and system for measuring temperature
Mole The SI unit for the number of particles in a substance
Candela The SI unit for measuring luminous intensity (brightness)
kilo- SI/metric prefix meaning 1000
deci- SI/metric prefix meaning 1/10 (one tenth) 0.1
centi- SI/metric prefix meaning 1/100 (one hundredth) 0.01
milli- SI/metric prefix meaning 1/1000 (one thousandth) 0.001
micro- SI/metric prefix meaning 1/1 000 000 (one millionth) 0.000001
nano- SI/metric prefix meaning 1/1 000 000 000 (one billionth) 0.000000001
metric base unit a metric unit with no prefix