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

Inventions!

Inventions and inventors

InventionInventorYear Invented
Harmonica Christian Friedrich Ludwig 1821
Phonograph Thomas Alva Edison 1877
World Wide Web Tim Berners-Lee 1989
Artificial Heart Dr. Robert K. Jarvik 1982
Water Thermometer Galileo 1593
Lightning Rod Benjamin Franklin 1752
Bifocals Benjamin Franklin 1783
Parachute Blanchard 1785
Cotton Gin Eli Whitney 1793
Electric Battery Volta 1800
Stethoscope Lanec 1819
Typewriter Charles Thurber 1843
Telegraph Samuel F. B. Morse 1844
Telephone Alexander Graham Bell 1876
Electric Stove William S. Hadaway 1896
Airplane Wilbur and Orville Wright 1903
Helicopter Igor Sikorsky 1939
Adding Machine Blaise Pascal 1642
Stock Ticker Thomas Alva Edison 1869
Mercury Thermometer Gabriel Fahrenheit 1714
Piano Bartolomeo Cristofori 1688
StudyStack John Weidner 2002
Created by: JohnW
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