Astronomer: _____________________________________________________
UNIT III – 1st Half Quiz
Matching: Match the word in Column A with the definition in Column B
Column A
Column B
_________1) Meteoroid
A) Made of Ice, rock, gases, and dust. “Dirty Snowballs”
_________2) Comet
B) When a small rock is burning up in Earth’s atmosphere “shooting star”
_________3) K/T Event
C) Point at no place before time & matter exited
_________4) Meteor
D) The age of the Solar System
_________5) Milky Way
E) Closer Galaxies move away slower while distant Galaxies are moving away
quickly
_________6) Hubble’s Law
F) A giant asteroid hit Earth and wiped out the dinosaurs.
_________7) Meteorite
G) The age of the Universe
H) This is spiral-shaped and contains billions of stars. Our solar system is on outer
_________8) Elliptical
edge
_________9) 13.7 Billion
I) When a small rock is in space.
_________10) 4.6 Billion
J) When a small rock lands on the Earth.
_________11) Singularity
K) Most common type of galaxy. Round to Football Shaped.
Multiple Choice: Place your answer in the space provided.
________12) Compared to the Jovian planets in our solar system, Earth is
(A) more dense and further from the Sun
(B) less dense and further from the Sun
(C) more dense and closer to the Sun
(D) less dense and closer to the Sun
________13) The diagram below represents a side view of the Milky Way Galaxy
At approximately which position is Earth's solar system located?
(A) A
(B) B
(C) C
(D) D
________14) Most astronomers agree that at the present time universe is
(A) contracting
(B) expanding
(C) staying the same size
(D) expanding and contracting regularly
________15) The diagram below represents the bright-line spectrum for an element.
The spectrum of the same element observed in the light from a distant star is shown below.
The shift in the spectral lines indicates that the star is moving
(A) toward Earth
(B) in an elliptical orbit around the Sun
(C) away from Earth
(D) in a circular orbit around the Sun
_________16) In which list are celestial features correctly shown in order of increasing size? (small to large)
(A) galaxy→ solar system→universe →planet
(B) solar system → planet → galaxy →universe
(C) planet → solar system → galaxy → universe
(D) universe → galaxy →solar system → planet
_________17) The diagram below represents a simple heliocentric model.
Which object is represented by the letter X?
(A) Polaris
(B) Earth
(C) the Sun
(D) the Moon
________18) Compared to Jovian planets, terrestrial planets have a
(A) larger size
(B) lower density.
(C) more rapid rotation.
(D) more rocky composition.
________19) The asteroid belt can be found between
(A) Earth and Mars
(B) Mars and Jupiter
(C) Jupiter and Uranus
(D) Earth and Venus
________20) Which pair of planets best represents the sizes of Earth and Venus drawn to Scale?
(A)
(B)
(C)
(D)
_________21) The diagram below represents planets A and B, of equal mass, revolving around a star
Compared to planet A, planet B has a
(A) stronger gravitational attraction to the star and a shorter period of revolution
(B) stronger gravitational attraction to the star and a longer period of revolution
(C) weaker gravitational attraction to the star and a shorter period of revolution
(D) weaker gravitational attraction to the star and a longer period of revolution
________22) As viewed from Earth, most stars appear to move across the sky each night because
(A) Earth revolves around the sun
(B) Stars orbit around Earth
(C) Earth rotates on its axis
(D) Stars revolve around the center of the galaxy
________23) Which information best supports the inference that the universe began with an explosion?
(A) measurements of rates of decay using carbon-14
(B) measurements of cosmic background radiation
(C) calculations of the distance from the Sun to each asteroid in the asteroid belt
(D) calculations of the temperature and brightness of stars
Use the table below to answer the questions 24-26
________24) Which of the Electromagnetic Radiation listed below has the shortest wavelength
(A) Infrared
(B) Radio Waves
(C) Ultraviolet
(D) X Rays
________25) Which of the Electromagnetic Radiation listed is the most dangerous?
(A) Microwaves
(B) Radio Waves
(C) Gamma Rays
(D) X Rays
________26) Which band of the visible light spectrum has the Longest wavelength?
(A) Violet
(B) Green
(C) Yellow
(D) Red
Use the table below to answer the questions 27-30
________27) How do Jupiter's density and period of rotation compare to Earth's?
(A) Jupiter is more dense and has a longer period of rotation.
(B) Jupiter is less dense and has a shorter period of rotation.
(C) Jupiter is less dense and has a longer period of rotation.
(D) Jupiter is more dense and has a shorter period of rotation.
________28) Which planet's day (period of rotation) is longer than its year (period of revolution)?
(A) Saturn
(C) Jupiter
(B) Mercury
(D) Venus
________29) Which planet has the shortest day?
(A) Earth
(C) Jupiter
(B) Neptune
(D) Saturn
_________30) The diagram below represents the spectral lines from the light of an element in a laboratory on
Earth.
Which diagram below best represents the pattern of spectral lines from the same element when it was observed by
Edwin Hubble in the light of one of the distant galaxies?
(A)
(B)
(C)
(D)
EXTRA CREDIT:
A) How far is 1 A.U.? (Hint: look at reference tables) _______________________________________________
B) What is the name of the only Galaxy that blue-shifting the Milky Way?
____________________________
C) Mr. Martin talked about the US Government released UFO (UAPs) footage. What were some of the details?
____________________________________________________________________________________________
____________________________________________________________________________________________
D) What is located at the center of most galaxies? ______________________________