Review Quiz for PS

Which of the following describes an element that has same number protons but different

number of neutrons?

• alpha particle

• photons

• isotopes

• nuclear fusion

Which of the following law states that the size of red shift is directly proportional to the distance

and speed of a star moving away from the observer on the earth?

• Kepler's Law

• Hubble's Law

• Newton's Law

• Charle's Law

Which of the following events explained the origin of the universe from a singularity and

exploded into a cloud of gas?

• Stellar Formation and Evolution

• Supernova Explosion

• Big Bang

• Big Crunch

Tags

NGSS.HS-ESS1-2

Which of the following is true about the composition of the universe after a few minutes of Big

Bang?

• 75% of hydrogen, 25% of helium and trace amounts of lithium

• 75% of helium, 25% of hydrogen and trace amounts of lithium

• 75% of lithium, 25% of helium and trace amounts of hydrogen

• 50% of helium, 50% of hydrogen and trace amounts of lithium

Tags

NGSS.HS-ESS1-2

The following is true about nuclear reactions, EXCEPT one:

• Nuclear reactions involves the emission of radioactive particles of an atom.

• Each particle involved in the reaction has a superscript and a subscript at the left-hand side of

  the symbol

• Some types of nuclear reactions are, alpha decay, beta decay and gamma radiation

• Nuclear reactions are processes in which a nucleus splits into smaller nuclei

Tags

NGSS.HS-PS1-8

Beta decay is a type of nuclear reactions that loses a beta particle of an element. Which of the

following changes in atomic mass and atomic number describes beta decay?

• Unchanged atomic mass and unchanged atomic number

• Unchanged atomic mass and decreased the atomic number by 1

• Unchanged atomic mass and increased the atomic number by 1

• Increased the atomic mass by 4 and increased the atomic number by 2

Tags

NGSS.HS-PS1-8

One of the isotopes of hydrogen is deuterium. Which of the following is correct about the atomic

mass and atomic number of deuterium?

• The atomic mass is 3 and the atomic number is 1

• The atomic mass is 3 and the atomic number is 2

• The atomic mass is 2 and the atomic number is 1

• The atomic mass is 4 and the atomic number is 2

What will happen to a star after exhausted its fuel and collapsed the core?

• electron capture

• positron emission

• Stellar evolution

• Supernova Explosion

Fusion shells of a red giant star during stellar formation and evolution formed the light elements

in the universe. Which of the following element is the result of fusion of silicon?

• nitrogen

• carbon

• magnesium

• nickel

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which of the following nucleus is fused to beryllium to form carbon during stellar formation

and evolution?

• hydrogen

• helium

• oxygen

• lithium

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3