Stars Producing Elements

Which of the following describe stellar nucleosynthesis?

• It is formation of elements during supernova explosion.

• It is the process by which elements are formed within the star.

• It is the process by which elements are produced in gas clouds.

• It is formation of light elements such as hydrogen and helium.

Tags

NGSS.HS-ESS1-3

Which of the following is a star that has used up its hydrogen supply in the core and switched to thermonuclear fusion?

• supernova

• main sequence star

• red giant

• protostar

It is the standard unit of mass in Astronomy.

• kilograms

• solar mass

• pounds

• atomic mass unit

It is a reaction in which two or more nuclei are combined to form one or more combined to form one or more different atomic nuclei and subatomic particles (neutron and proton).

• Nuclear Fission

• Nuclear Fusion

• Big Bang Nucleosynthesis

• Stellar Nucleosynthesis

Tags

NGSS.HS-PS1-8

The fate of the star is determined by its

• age

• size

• group

• mass

Tags

NGSS.HS-ESS1-1

Fusion of Carbon and Helium will result to

• Argon

• Boron

• Oxygen

• Calcium

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

NGSS.HS-PS1-8

When we are expressing elements we write superscript and subscript as

• Atomic Mass and Atomic Number

• Atomic Number and Atomic Mass

• Atomic Mass only

• Atomic Number only

In the element Helium, what is the atomic number?

• 4.0003

• 1s2

• 2

• 6

Tags

NGSS.HS-PS1-1

The temperature required for the nuclear fusion to occur in the evolution of star...

• 15,000,000 degree Celcius

• 10 degree Fahrenheit

• 75 degree Celcius

• 1,000 Kelvin

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the significance of stellar formation and evolution?

• Formation of heavy elements

• Formation of galaxy

• Development of planetary system

• all of the above

Tags

NGSS.HS-ESS1-3