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

Science Mod 2

Physical Science

QuestionAnswer
An example that contradicts a scientific conclusion. counter-example
An educated guess that attempts to explain an observation or answer a question. hypothesis
A hypothesis that has been tested with a significant amount of data. theory
A theory that has been tested by and is consistent with generations of data. scientific law
Can science prove anything? No
Does a scientific theory have to make sense? No
A feather and a penny are dropped from the top of the building... which will land first and why? The penny... Air resistance will slow the feather more than the penny.
If a penny and a feather are dropped at the same time into a long tube that contains no air which one will hit the bottom of the tube first and why The will land at the same time... when there is no air...things fall at the same rate regardless of weight.
What does it take to destroy scientific law? only one counter-example
step 1 of the scientific method Make observations
Step 2 of the scientific method form a hypothesis
step 3 of the scientific method Perform experiments to confirm hypothesis
step 4 of the scientific method hypothesis is now a theory
step 5 of the scientific method perform experiments over several years
step 6 of the scientific method theory is now a law
What two things can you do if a hypothesis does not agree with the experiment designed to confirm it? discard the hypothesis or modify it to become consistent with the experiment
Can you discard or modify a theory if it doesn't agree with the experiments which were designed to test it? yes
What observation led to Lowell's hypothesis? faint lines on the surface of Mars
first limitation of science it can't prove anything
2nd limitation of science it is not 100% reliable
3rd limitation of science it must conform to the scientific method
Popular Physical 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