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.
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
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

chapter 1

QuestionAnswer
data is information from which a conclusion can be drawn or a prediction can be made
procedures is step-by-step instructions for completing a task
control group the group that dosen't get the special treatment
variable is somthing that can change in a test
experiment is the use of scientific methods to tests your hypothesis
observation is something you find out about objects, events, or living things by using your senses
hypothesis is a statement of what you think will happen during an investigation
inference is a conclusion based on observations
independent variable is one that you can control
dependent variable changes when an independent variable it is what gets measured and give you data.
evidence are observations that make you believe that somthing is true
precision is the abilitlyto consistently repeat a measurement
accuracy is the ability to make a measurement that is as close to the actual value as possible.
model objects or ideasthat represent other things
survey questions that are ansered by people
sampling examining random individuals from a population
experimental group the group that gets the special treatment
Created by: peyton-guider