The Universe and Our Solar System Review

What two elements account for the highest percentages in a star composition chart?

• Hydrogen and Helium

• Carbon and Oxygen

• Nitrogen and Argon

• Iron and Nickel

Tags

NGSS.HS-ESS1-3

What is happening to the volume of the sun? The gravity of the sun?

• The volume of the sun is increasing, and its gravity is decreasing.

• The volume of the sun is decreasing, and its gravity is increasing.

• The volume and gravity of the sun remain constant.

• The volume of the sun is decreasing, and its gravity is decreasing.

Tags

NGSS.HS-PS2-4

The classification of the sun in a HR Diagram is:

• Red Giant

• White Dwarf

• Main Sequence

• Supernova

Tags

NGSS.HS-ESS1-1

Approximately how old is the sun? How much of the sun’s energy has been used?

• 4.6 billion years old; 50% of its energy used

• 5 billion years old; 70% of its energy used

• 4.6 billion years old; 70% of its energy used

• 5 billion years old; 50% of its energy used

Tags

NGSS.HS-ESS1-1

Solar activity can be high enough to cause disruptions in electricity on Earth. How does this happen?

• Through solar flares causing geomagnetic storms

• By increasing the Earth's gravitational pull

• By blocking sunlight from reaching the Earth

• Through the cooling of the Earth's core

Tags

NGSS.HS-ESS3-1

Stars that have about 8 times the mass of the sun typically end their life cycle as:

• White dwarfs

• Neutron stars

• Black holes

• Red giants

The life cycle of a star about the same size as our sun is:

• Nebula, Main Sequence, Red Giant, White Dwarf

• Nebula, Red Supergiant, Supernova, Black Hole

• Protostar, Main Sequence, Red Supergiant, Neutron Star

• Main Sequence, Red Giant, Supernova, Black Hole

Which of the following is evidence for the Big Bang Theory?

• Cosmic Microwave Background Radiation

• The existence of black holes

• The theory of relativity

• Quantum mechanics

Tags

NGSS.HS-ESS1-2

The universe is constantly changing. How do we know this?

• Through observations of cosmic microwave background radiation

• By studying the static nature of celestial bodies

• By analyzing the unchanging positions of stars

• Through the absence of cosmic events

Tags

NGSS.HS-ESS1-2

Cosmic background radiation is:

• the radiation from the sun

• the afterglow of the Big Bang

• a type of cosmic ray

• the light from distant stars

Tags

NGSS.HS-ESS1-2