Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Unit 4
Test Description: Stars and the big bang theory
Instructions: Answer all questions to get your test result.
1) The sun is approximately ______ years old and will die out when it is ______ years old
A
5 million, 10 million
B
12 thousand; 50,000 thousand
C
4.6 billion, 10 billion
D
2018, 5000
2) What is the force that drives gas and dust to come together to create the beginning of a star?
A
Gravity
B
Nuclear Fission
C
Nuclear Fusion
D
Meta Chlorine
3) What type of nuclear fusion is going on in the main sequence of a low mass star? (Hint: ____ into ____)
A
Gravity, energy
B
Lithium, Neon
C
Hydrogen, Helium
D
Helium, Boron
4) Which of the following describes the correct order of the development of matter in the early universe?
A
Protons and Neutrons-- Atoms-- Nuclei-- Quarks
B
none of the choices are true
C
Atoms-- Nuclei-- Quarks-- Protons and Neutrons
D
Quarks-- Protons and Neutrons-- Nuclei-- Atoms
5) Due to the way matter formed after the Big Bang, most stars in the universe are composed of approximately ______ and ______.
A
75% hydrogen; 25% helium
B
90% oxygen; 10% helium
C
25% hydrogen; 75% oxygen
D
50% helium; 50% hydrogen
6) The process of redshifting occurs when a star or galaxy is …..
A
moving away from Earth at a very fast pace.
B
red in color.
C
moving toward Earth at a very fast pace.
D
maintaining a constant, very far distance from Earth.
7) Nearly all of the energy we have on Earth actually originated in the Sun’s core
A
True
B
False
8) The doppler effect works on ________ waves
A
Neither light nor sound
B
Light
C
Sound
D
Sound and light
9) When light waves stretch to make galaxies moving away from us look more red than they actually are we call that _______.
A
Doppler effect
B
Lightshifting
C
The Big Bang
D
Redshifting
10) According to the doppler effect, when objects are becoming more distant, the wavelength _______.
A
Doesn’t matter
B
Increases
C
Decreases
D
Stays the same
11) The Sun is approximately _____ years old, and will likely die out when it is around _____ years old.
A
1 million; 4.5 million
B
10 billion; 45 billion
C
1 million; 10 billion
D
4.6 billion; 10 billion
12) Which type of EM radiation reaches the Earth from the Sun?
A
All waves in the electromagnetic spectrum
B
Only radio waves
C
Only gamma rays
D
Only visible light and heat energy
13) Which of the following will a LOW TO MEDIUM MASS star turn into at the end of its life?
A
Neutron star
B
White dwarf
C
Red supergiant
D
Black hole
14) Compared to other stars in the universe, our Sun would be considered a _____.
A
white dwarf star
B
low to medium mass star
C
neutron star
D
high mass to supermassive star
15) Our Sun is currently in the _____ stage of its life cycle.
A
nebula
B
main sequence
C
red giant
D
planetary nebula
16) What causes a star to expand during the Giant stage of its life cycle?
A
the star's gravity ceases to exist
B
the process of nuclear fusion completely stops working
C
the force caused by nuclear fusion becomes greater than the force of gravity
D
there is a balance between the inward force of gravity and the outward force of fusion
17) Where in a star does the process of nuclear fusion occur?
A
Outside its shell
B
In its core
C
Inside the black hole
D
Somewhere in the nebula
18) What is produced during the process of nuclear fusion?
A
Elements heavier than hydrogen
B
Energy
C
All of the above
D
Electromagnetic radiation
19) Which of the following correctly describes the process of nuclear fusion?
A
Helium is broken down into a smaller, less complex substance
B
An atomic nucleus randomly splits into two separate atoms with less mass
C
Water molecules are squeezed together to form hydrogen gas
D
Two smaller atoms are fused together to form one heavier atom
20) Most scientists think that elements heavier than iron are made ___.
A
inside neutron stars
B
while nuclear fission is occurring
C
by gravity
D
during a supernova explosion
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?