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.

Remove Ads
Don't know
remaining cards
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:
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


Geocentric Theory Universe revolved around the Earth.
Heliocentric Theory Universe revolved around the Sun.
Ptolemy Greek astronomer expanded on the Geocentric Theory.
Kepler A mathematician that concluded that certain mathematical laws govern planetary motion. One of these concluded that the planets revolve around the sun in elliptical orbits instead of circles.
Copernicus Polish cleric and astronomer that invented the Heliocentric Theory.
Scientific Revolution New way of thinking about the natural world. Based upon careful observation and willingness to question accepted beliefs.
Aristotle Greek philosopher that came up with idea of the geocentric theory.
Galileo An Italian scientist who built his own telescope to study the heavens. Discovered that sun had dark spots, Jupiter had four moons, and the moon was a rough, uneven surface.
Newton Mathematician and physicist that developed the the Universal Law of Gravitation.
Law of Universal Gravitation Same force that ruled motion of the planets and all matter on earth and space. Linked motion in the heavens with motion on the earth.
Versalius Proved Galen's theory wrong and wrote a book filled with detailed drawings of human organs, bones, and muscles.
Farenheit Made the first thermometer to use mercury in glass and showed water freezing at 32 degrees.
Bacon Statesmen and writer that encouraged the experimental method.
Descartes Developed analytical geometry which provided an important new tool for scientific research.
Scientific Method Logical procedure for gathering and testing ideas. Begins with a problem or question arising from an observation.
Janssen A Dutch maker of eyeglasses that invented the first microscope.
Created by: lizgardner