Science 7 CNBMS Mr. Banser
Use the following web site to research and complete the information required for this activity on Universe Theories and discoveries. You will be evaluated using the daily class efforts scale as well as finding the correct answers. Hand paper into Mr. Banser when you are finished. You may work quietly with a neighbour, but complete your own paper.
Click on the link:
http://www.pbs.org/wnet/hawking/universes/html/univ.html
A) Ptolemy’s Universe
Ptolemy was a _____________________ astronomer. Ptolemy’s model of our Universe was called the ________________________ or _________________ - centered theory.
He thought that the planets moved in a _____________________ orbit around the Earth. /4
B) Copernicus’ Universe
He realized that the ______________ was at the center instead of the Earth. He found that the daily motion of the stars and planets were a reflection of ______________________ spinning on its ___________________ . Copernicus’ Sun –centered Theory was also called ______________________ view of the cosmos. Copernicus was able to calculate the approximate scale of the _________________ ________________ for the first time. Copernicus was not able to prove that the ________________ moved around the _________________ . /8
C)
Kepler’s Universe
Kepler modified Copernicus’ model of the Solar System by moving the planets in __________________ rather than ____________________ orbits. Kepler determined that a planet travels ____________________ when it comes closest to the _____________________ and moves slowest when __________________ _________________ . /6
When finished go to web site: www.space.com or www.learnwhatsup.com/astro and have some fun exploring!! Hand in paper to Mr. Banser!