1st Midterms Exam

Question 1

It is a branch of science that studies non-living systems, in contrast to life science. It, in turn, has many branches, each referred to as…

Answer 1

Physical Science

Question 2

Is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today, and on into the future.

Answer 2

Cosmology

Question 3

What stages divide specific groups of elements as to where they were formed?

Answer 3

3 Cosmic Stages

Question 4

Formed light elements such as H, He, and Li

Answer 4

Big Bang Nucleosynthesis

Question 5

Formed the elements heavier than Be and Fe

Answer 5

Stellar formation and evolution

Question 6

In theory of exponential expansions of space in the early universe. The inflationary epoch lasted from 10-36 seconds.

Answer 6

Inflation

Question 6

Formed the elements heavier than Fe

Answer 6

Stellar explosion or Supernova

Question 7

Explains how the elements were initially formed the formation of different elements involved many nuclear reactions, including fusion, fission, and radioactive decay. Part of its proof is the number of H and He we have in the universe today.

Answer 7

Big Bang Theory

Question 8

A point in space and/or a moment in time where the universe was infinitely hot and dense

Answer 8

Singularity

Question 9

Is the process that creates new atomic nuclei from pre-existing nucleons primarily protons and neutrons

Answer 9

Nucleosynthesis

Question 10

Refers to the epoch at which charged electrons and protons first became bounds to form electrically neutral hydrogen atoms

Answer 10

Recombination

Question 11

In physics, it is a reaction in which a particle and its antiparticle collide and disappear, releasing energy.

Answer 11

Annihilation

Question 12

The displacement of spectral lines toward longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects.

Question 13

What color of wavelength if the object is receding?

Answer 13

Long Red Waves