Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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 3

Chapter 1

TermDefinition
hypothesis A statement of what you think will happen during an investigation.
observation Is something you find out about objects, events, or living things by using your senses.
experiment Is the use of scientific methods to test your hypothesis.
variable Is something that can change in a test.
control group The group that doesn't get the special treatments.
independent variable Is one that you can control.
dependent variable Changes when an independent variable changes.It is what gets measured.It is your data.
Procedures Are step-by-step instructions for completing a task.
Data Are information from which a conclusion can be drawn or a prediction can be made.
Precision Is the ability to make a consistently repeat a measurement.
Accuracy Is the ability to make a measurement that is as close to the actual value as possible.
inference Is a conclusion based on observations.
Evidence Are observations that make you believe that something is true.
model Objects or ideas that represent other things.
survey Questions that are answered by people.Great for opionion Questions
Sampling Examining random individual from a populations.
Experimental group The group that gets a special treatment
Created by: James-Dao
Popular Science sets

 

 



Voices

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:
Retries:
restart all cards