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

Chapter 1

Hypothesis a statement of what you think happens during an investigation
observation is something you find out about objects,events,or living things using your senses
experiment the use of scientific methods to test your hytpothesis
variable something that can change in a test r
independent variable is one that you can control
dependent variable changes when an independent variable changes. It is what get s measured . it gives you data.
control group the group that doesn't gets the special treatment
procedures are step-by-step insurrections for completing a task.
data are information from which a conclusion drawn or prediction can be made
precision is the ability to consistently repeat a me asurement
accuracy the ability to make a measurement that is close to the actual value as possible
inference is an conclusion based on an observations
evidence are observation that make you believe some thing is true
model to learn more about the world to test or designs other things
surveys question that are answered by people. Great for opinion question
sampling examining random individuals from a population
experiential group the group that gets the special treatment
Created by: brittan-dalberg



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