Quiz about PhySci Quiz 1 Formation of the Elements

Question 1

The process by which elements are created within stars by combining the protons and neutrons together

Accepted Answer

Stellar Nucleosynthesis

Answer

Big Bang Nucleosynthesis

Answer

Nuclear Fusion

Answer

Nuclear Fission

Question 2

Helium can be formed by fusing

Accepted Answer

2 protons and 2 neutrons

Answer

1 proton and 1 neutron

Answer

1 proton and 2 neutrons

Answer

1 proton and 3 neutrons

Question 3

The atomic number tells us what?

Accepted Answer

Number of protons

Answer

Number of Neutrons

Answer

Atomic Mass

Answer

Number of electrons

Question 4

Theory which explains that the universe began as a point and has been expanding ever since.

Accepted Answer

Big Bang Theory

Answer

Geocentric Model

Answer

Heliocentric Model

Answer

Cosmology

Question 5

What is nucleosynthesis?

Accepted Answer

How new elements are created in stars by combining the nuclei of atoms

Answer

How the sun creates new hydrogen atoms out of dark matter

Answer

How helium atoms are broken down by nuclear fission to produce hydrogen

Answer

How a nucleus is produced during the big bang

Question 6

Supernovas are one of the largest _______ in the Universe.

Accepted Answer

explosions

Answer

events

Answer

stars

Answer

objects

Question 7

What is the primary element that stars fuse early in their life cycle?

Accepted Answer

Hydrogen

Answer

Helium

Answer

Dust

Answer

Iron

Question 8

Which of the following gases are major components of star?

Accepted Answer

hydrogen and helium

Answer

carbon and oxygen

Answer

helium and carbon

Answer

hydrogen and carbon

Question 9

Which is the second most abundant element in the universe?

Accepted Answer

helium

Answer

carbon

Answer

hydrogen

Answer

oxygen

Question 10

The first elements were formed in what is known as _________________.

Accepted Answer

Big Bang Nucleosynthesis

Answer

Stellar Nucleosynthesis

Answer

Supernova Nucleosynthesis

Answer

Genonucleosynthesis

Question 11

What are some of the outcomes of nuclear fusion?

Accepted Answer

Produce larger materials from the collision of smaller materials & Release energy

Answer

Produce larger materials from the collision of smaller materials.

Answer

Release energy.

Answer

Produce smaller materials from the collision of larger materials.

Question 12

How is nuclear fusion different from nuclear fission?

Accepted Answer

In fusion, the product is a larger atomic nucleus.

Answer

Fission produces energy but fusion does not.

Answer

Fusion produces energy but fission does not.

Answer

In fission, the product is a larger atomic nucleus.

Question 13

According to evidence, is the universe expanding or contracting?

Accepted Answer

expanding

Answer

contracting

Question 14

Which of the following refers to the process of producing the first atoms of hydrogen and helium?

Accepted Answer

big bang nucleosynthesis

Answer

supernova nucloesynthesis

Answer

particle accelerator nucleosynthesis

Answer

stellar nucleosynthesis

Question 15

Who used the redshift of light from galaxies to calculate the velocities and distances of these galaxies from the Earth in 1929?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 16

Which are the remains of energy created after the big bang expansion?

Accepted Answer

Cosmic Microwave Background Radiation

Answer

Light elements

Answer

Infrared

Answer

Redshift

Question 17

The universe may have started as an extremely hot dense point known as _____.

Accepted Answer

singularity

Answer

nucleosynthesis

Answer

annihilation

Answer

inflation

Question 18

It refers to the explosive death of stars.

Accepted Answer

Supernova

Answer

Nebula

Answer

Bigbang

Answer

Recombination

Question 19

Why do elements heavier than Iron cannot be formed through fusion?

Accepted Answer

Because it needs tremendous amount of energy are needed for the reaction to Occur

Answer

Because its needs a lot of space

Answer

Because its needs a lot of gasses of energy for the reaction to occur

Answer

Because it needs the entire universe

Question 20

The combining of two or more atoms in a stars core into a new heavier atom.

Accepted Answer

Fusion

Answer

Fission

Answer

Nuclear Reactions

Answer

Nucleosynthesis

Question 21

A diagram or graph that shows the relationship between luminosity and temperature in a star.

Accepted Answer

HR (Hertzsprung - Russell) Diagram

Answer

Color vs. Brightness chart

Answer

Temperature vs. Luminosity chart

Answer

Stellar life cycle chart

Question 22

A mixture of gasses, mainly hydrogen and helium, and dust consisting of heavier elements drifting through space. These are the birth and death sites of stars.

Accepted Answer

Nebula

Answer

Supernova remnant

Answer

Stellar dust cloud

Answer

Pulsar

PhySci Quiz 1 Formation of the Elements

25 questions