Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.

Remove ads
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards




share
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

PCS Liv Env

Vocabulary for Topic 9 - Laboratory Skills

TermDefinition
Balance a tool that measures mass by comparing the unknown mass of an object with an object of known mass
Chromatography a laboratory technique used to separate mixtures of molecules (Lab Hint: This is when you put enzyme drops on a piece of paper and then let the paper soak in water. You saw several different colors going up the paper.)
Compound Light Microscope a tool that uses more than one lens and a light source to magnify an object
Dichotomous Key a guide that compares pairs of observable traits to help the user identify an organism (Lab Hint: Used during the lab when you had to figure out the type of lizard or type of leaf.)
Dissection the act of cutting apart a dead organism to examine its internal structure
Electronic Balance a balance that measures mass automatically
Electrophoresis a tool that allows scientists to separate mixtures of molecules according to size (Lab Hint: This was used when comparing DNA. Remember the smaller DNA fragments move farther.)
Graduated Cylinder a tool used to measure the volume of a liquid
Indicator a substance that changes color when it encounters certain chemical conditions
Magnification the ability of a microscope to make an object appear larger
Mass a measure of the quantity of matter in an object
Metric Ruler tool used to measure the length of an object
Microscope tool that uses a lens or a combination of lenses to magnify an object (Always start on low power first)
Stain a chemical used to make cell structures more visible when viewed under a microscope
Stereoscope a microscope that use two eyepieces; often used for dissections
Triple-Bean Balance a tool, with a single pan and three bars calibrated in grams, used to measure mass
Volume the space occupied by something
Created by: Ms.Sala