EOC Practice 1st Semester Concepts #4 Question Preview (ID: 34590)
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What are the three types of galaxies?
a) Elliptical, round, oval
b) Elliptical, spiral, round
c) Spiral, round, oval
d) Elliptical, Spiral, Irregular
Which color are the coolest stars?
a) Red
b) Blue
c) Yellow
d) Purple
What does the color of a star tell you?
a) Its size
b) Its distance from Earth
c) Its temperature
d) Its magnitude
Which best explains the process of nuclear fusion?
a) Two helium nuclei join to form 1 hydrogen nuclei and release a lot of energy
b) Two stars crash into each other and cause lots of energy
c) two atoms join but do not release any energy
d) Two hydrogen nuclei join to form 1 helium nuclei and release a lot of energy
What process makes stars shine?
a) Nuclear suspension
b) Nuclear Fusion
c) Atomic explosion
d) Atomic fusion
What type of galaxy do we live in?
a) Eliptical
b) Oval
c) Spiral
d) round
What is the name of the galaxy our solar system is in?
a) The milky cloud
b) The Milky way
c) The Cloudy way
d) The galaxy
List the following in order from largest to smallest: stars, galaxy, planets, universe
a) planets, stars, galaxy, universe
b) stars, galaxy, planets, univese
c) planets, universe, stars, galaxy
d) Universe, galaxy, stars, planets
List the life cycle in order that the Sun will go through before it dies.
a) Mid-sized, super giant, supernova, black hole
b) Mid-sized, red giant, white Dwarf, nova, Black Dwarf
c) mid-sized, supergiant, white dwarf, black dwarf
d) mid-sized, nova, red giant, black hole
Magnitude measures what about a start?
a) The stars color
b) How far away fro Earth the star is
c) How large the star is
d) How bright a star is
Our Sun is a _______Star?
a) Supernova
b) Supergiant
c) Massive
d) Mid-sized
The Earth turns from___.
a) South to North.
b) West to East.
c) East to West
d) North to south.
The hottest star has a ____ color.
a) Yellow.
b) Blue
c) Green
d) Red
What is a galaxy?
a) The earth's orbit.
b) A single star.
c) The surface of the Moon.
d) A group of stars held together by gravity.
What is apparent magnitude?
a) A measure of how bright the star would be if all stars were at the same distance from Earth.
b) The brightness of a star
c) the measure of how bright a star appears to be to an observer on Earth.
d) How far away the star is from Earth.
Stars that are nearing the end of their life and were once red giants are called______.
a) Red dwarfs.
b) Dead stars
c) Purple Trolls.
d) White dwarfs
A star begins its life in a cloud of gas and dust. The cloud is called a ____.
a) Nebula.
b) Neutron.
c) Galaxy.
d) Pulsar.
If a star is more massive, it is likely to have____
a) A longer life.
b) A shorter life
c) No life
d) To live forever
Why does our sun appear to be the brightest star in the sky?
a) Because it is the farthest away from Earth
b) Because it is the closest to Earth
c) Because it is the largest in the sky
d) Because it has the greatest magnitude
What measurement is used to measure large distances in space?
a) Astronomical Units
b) Miles
c) Light years
d) Centimeters
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