Stars, Galaxies, Nebulae, And The Earth Question Preview (ID: 49949)


Review Questions Over Cosmic And Space Concepts. TEACHERS: click here for quick copy question ID numbers.

What are the reasons that causes stars to have varying levels of gravitational attraction?
a) Mass and Density
b) Gravity and Electromagnetism
c) Nuclear Fusion and Luminosity
d) Temperature and Age

What is the name of the graph used to classify stars by size, age, color, and temperature?
a) Red Giant
b) Redshift/Blueshift
c) A Pie Chart
d) The Hertzsprung-Russel Diagram

What force holds solar systems, nebulae, and galaxies together?
a) Gravity
b) Magnetic Forces
c) The Earth's tilt on its axis
d) Supernova Explosions

Where are stars formed and born?
a) in Nebulae
b) in black holes
c) in solar systems
d) in larger stars

Why does the Earth experience seasons throughout the year?
a) Black Holes
b) The Moon's electromagnetic waves
c) The Earth's rotation
d) the tilt of the Earth on its axis

Our sun is classified as what kind of star?
a) A Blue Hypergiant
b) A Medium-sized Yellow Main Sequence Star
c) A Red Giant
d) a White Dwarf

What is the correct order of colors on the Electromagnetic Spectrum?
a) R O Y G B I V
b) B G V O Y R I
c) V I B G Y O R
d) G B I V R O Y

What is the speed of light defined as?
a) The time that the light takes to reach the Earth
b) The distance is takes for light to travel in one day
c) The time it takes for light to travel to another star
d) The distance that light travels in one year

What color are the hottest stars?
a) Red
b) White
c) Blue
d) Orange

What are the majority of all stars classified as?
a) Main Sequence stars
b) Red Giants
c) White Dwarfs
d) Protostars

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