Which of the following is the most accepted theory about the formation of the universe that explains why it continues to expand?

• Big bang theory

• Divine Creation theory

• Steady State theory

• Oscillating theory

Tags

NGSS.HS-ESS1-2

Which element is the lightest and at the same time the most abundant in outer space?

• Helium

• Lithium

• Hydrogen

• Boron

Which element can be formed when three atoms of helium are fused?

• Hydrogen

• Oxygen

• Carbon

• Silicon

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which of the following is not a part of an average star?

• Protostar

• Nebula

• Super Giant

• Stable State Star

In which stage do massive stars explode and release large amount of energy?

• Main sequence

• Protostar

• Super Nova

• White dwarf

Which of the following gases are major components of star?

• carbon and oxygen

• helium and carbon

• hydrogen and carbon

• hydrogen and helium

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which is the first stage of a star’s life cycle?

• black hole

• nebula

• protostar

• white dwarf

Which is the second most abundant element in the universe?

• carbon

• helium

• hydrogen

• oxygen

Which of the following is a huge luminous ball of hot gas such as Hydrogen and Helium?

• comet

• moon

• planet

• star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which of the following is the sign that a protostar will transform into the next stage?

• When the it starts to spin faster

• When it starts to glow

• When Hydrogen nuclear fusion begins

• When it increases temperature igniting the Hydrogen

Tags

NGSS.HS-ESS1-1