practice test - part 21-30

Question 1

the event in which space itself expanded, eventually forming our familiar existence

Answer 1

big bang

Question 2

supposed all light was composed of individual packets of energy called photons

Answer 2

Albert Einstein

Question 3

the result of a spherical, “closed” universe

Answer 3

big scrunch

Question 4

formed from photons; measures three degrees above absolute zero

Answer 4

CMBR

Question 5

suggested interactions between matter and radiation could be best understood by regarding electrons as systems of waves

Answer 5

Louis de Broglie

Question 6

the result of dark energy overcoming all four fundamental forces

Answer 6

big rip

Question 7

_____ hold quark trios together.

Answer 7

Gluons

Question 8

The quality of an eyepiece is determined by its _____.

Answer 8

apparent field of view and focusing ability

Question 9

Without _____, the needed subatomic particles to construct our universe, such as neutrons and protons, would be lacking.

Answer 9

color

Question 10

A counterweight is a counterbalancing _____.

Answer 10

mass