Origin And Formation Of The Universe Worksheet (Page 2 of 2) in pdf

Origin And Formation Of The Universe Worksheet Page 2

3. As the cloud moved, parts ____________________ and formed billions of __________________

4. These galaxies continue to move _____________________ today.

5. ______________________________________ theory of universe formation.

B. The Steady State Theory – The belief that the universe doesn’t change with _________ but more

matter is added to the universe as it _____________________.

1. Popular during the _____________ and _____________.

2. The universe had _______________________________ and has _________________.

C. Inflationary Theory – predicts that there was a ________________________________ when the

universe was very young, more extreme than predicted by ___________________________________!

1. Considered to be a ____________________ Big Bang Theory.

2. The universe ____________________ and ___________________ until about _______________

second after the big bang when it became so cool that the forces of nature caused the universe to

_____________________________________.

3. This initial expansion was faster than ___________________________________.

III.

Formation of Galaxies

1. Galaxies began as _________of gas and dust (also called a ____________________)

2. The clouds __________________ under the force of their own ____________________,

forming galaxies of a variety of shapes.

3. Our galaxy the ____________________________ is a __________________ galaxy,

consisting of a _____________________ surrounded by arms that rotate in a

_________________ direction.

Solar systems similar to ours move around in this galaxy in a ________________________.

IV.

Shape of Galaxies

1. Spiral (like the Milky Way – OUR galaxy).

2. Barred Spirals

3. Elliptical

4. Irregular

Origin And Formation Of The Universe Worksheet Page 2