Unit 54 Science Fusion

What is the term referred to the process that creates new atomic nucleus from preexisting nucleons , primarily protons and neutrons?

• nuclear fusion

• nuclear reaction

• nuclear synthesis

• nucleosynthesis

Tags

NGSS.HS-PS1-8

What is the term referred to the process by which light nuclei fuse together to form a heavier nucleus?

• nuclear fusion

• nuclear reaction

• nuclear synthesis

• nucleosynthesis

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

It is a theory that explains that the universe started as a very dense and hot “singularity” which eventually cooled and began to form different particles?

• big bang theory

• cosmic inflation theory

• oscillating theory

• steady state theory

Tags

NGSS.HS-ESS1-2

What was formed as the universe expanded and cooled down?

• electron

• neutron

• proton

• subatomic particles

What is formed when there is a fusion of a proton and neutron in big bang nucleosynthesis?

• deuterium

• protium

• tritium

• hydrogen

Tags

NGSS.HS-ESS1-2

What is formed when there is a fusion of two deuterium nuclei in big bang nucleosynthesis?

• Helium-3

• Hydrogen

• neutron

• one neutron and helium-3

Tags

NGSS.HS-PS1-8

What are the conditions in the universe so that a nuclear fusion could occur?

• high energy

• high energy and temperature

• high temperature

• moderate conditions

Tags

NGSS.HS-ESS1-1

What is formed when there is fusion of deuterium and tritium?

• Helium-2

• Helium-3

• Helium-4

• Helium-2 and neutron

What is the term referred to form of an element that has the same atomic number of the original element but with different atomic mass or mass number?

• elements

• heavy elements

• isotopes

• light elements

The following light elements were formed in the big bang nucleosynthesis?

• H, He, Be, C

• He, H, Be, Li

• Li, H, He, Na

• Fe, H, He, Be

Tags

NGSS.HS-ESS1-2