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6th Grade Chapter 19 Earth Science: Stars, Galaxies, The Big Bang Flashcards | StudBud
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6th Grade Chapter 19 Earth Science: Stars, Galaxies, The Big Bang
6th Grade Chapter 19 Earth Science: Stars, Galaxies, The Big Bang
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6th Grade Earth Science Chapter 19
Flashcards
28 cards
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Questions
28
Answers
1
What can a scientist learn about a star from its’ spectrum?
composition & temperature
color
age
size
2
Whatis a spinning neutron star that emits rapid pulses of radio and optical energy?
black hole
neutron star
pulsar
3
What is a star in which the electrons & protons have becomeneutrons?
pulsar
neutron star
supernova
black hole
4
Which of the following are large clouds of gas & dust?
nebula
galaxy
neutron star
5
The H-R Diagram shows the relationship of a star’s surface temperature and its’?
size
absolute magnitude
color
apparent magnitude
6
According to the big bang theory, the universe is about?
500 billion years old
4.7 billion years old
470 billion years old
13.7 billion years old
7
The color of a star depends on its’?
shape
size
temperature
magnitude
8
Which shows the sequence of a star’s life cycle from its earliest stage to its latest stage?
a.main sequence, red giant, whitedwarf
a.white dwarf, main sequence, redgiant
a.main sequence, white dwarf, redgiant
a.red giant, white dwarf, mainsequence
9
Which of the following statements is NOT true?
a.New stars form in the spiral armsof spiral galaxies.
a.New stars form in a few ellipticalgalaxies.
a.New stars form in some nebulas.
a.New stars form in most globularclusters.
10
What is a gigantic explosion that causes the death of a large star?
pulsar
neutron star
supernova
11
What is a tight group of stars that looks like a ball?
open cluster
globular cluster
12
Which of the following is the hottest?
a.A main-sequence blue star.
a.A red giant superstar.
a.A small white dwarf star.
a.A main-sequence yellow star.
13
What color are the hottest stars?
red
yellow
orange
blue
14
Which of the following is true?
The shortest stage in a star’s lifecycle is main sequence
When a star dies, none of itsmaterial returns to space.
A star doesn't change its’ size/temperature during its’ life
New stars form from the material ofold stars.
15
What is cosmology?
The study of the solar system.
The study of the origin, structure & future of the universe
The study of the make-up of stars.
The study of space travel.
16
What classification do astronomers use for galaxies?
size
shape
color
age
17
Why do scientists study distant galaxies?
To learn about the speed of light.
a.To learn what early galaxies looklike.
To learn what galaxies are made of.
To learn about space travel.
18
Which of the following big bang theories explains how the universebegan?
A sea of gas & dust
A big explosion.
A small explosion
19
What can escape a black hole?
nothing
light
martians
20
What is a very bright, star-like object that generates immense energy?
quasar
nebula
open cluster
galaxy
21
What is a star that expands and cools once it runs out of hydrogen?
red giant
white dwarf
neuteron star
22
What is a group of closely grouped stars?
globular cluster
open cluster
23
How are objects organized in the universe?
In a loosely repeated pattern & are part of a larger system
Objects are scattered through space in a random pattern.
24
Which of the following statements is true?
The universe is getting smaller everyday.
The universe contracts & expands on a regular basis.
The universe is expanding outward.
25
Scientists think that the Milky Way is probably?
a spiral galaxy
an irregular galaxy
an elliptical galaxy
a nebula
26
Whatis a large grouping of stars in space?
galaxy
quasar
nebula
27
All of the following are galaxies EXCEPT?
ellipitical
irregular
triangular
spiral
28
What type of star has used up all of its’ hydrogen and is the leftover center of an older star?
red giant
main sequence
supernova
white dwarf
