Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Astronomy Unit Review
Test Description: Astronomy
Instructions: Answer all questions to get your test result.
1) Day and night are caused by
A
eclipses
B
Earth's rotation on its axis
C
Earth's revolution around the sun
D
the tilt of the Earth's axis
2) What is the name for a pattern or group of stars that people imagined represents a fugure?
A
meteor
B
galaxy
C
constellation
D
planet
3) A streak of light made by a chunk of rock or dust entering Earth's atmosphere is called a(n)
A
asteroid
B
meteor
C
meteoroid
D
meteorite
4) Earth has four seasons. What interaction is responsible for the seasons?
A
the suns rotation and the solar wind
B
the sun's gravity and sunspots
C
the tilt of the Earth
D
changes in the distance from the sun
5) What causes a solar eclipse?
A
The sun blocks moon beams from reaching the Earth.
B
Earth blocks sunlight from reaching the moon.
C
The moon blocks sunlight from reaching Earth.
D
One side of Earth blocks the sunlight from reaching the other side of the Earth.
6) Why do temperature on the moon's surface vary more than temperatures on Earth's surface?
A
The moon has a lower density than the Earth.
B
The moon has no atmosphere.
C
The moon's surface has many craters.
D
The moon has pathces of ice.
7) Many early observers believed that the sun and stars orbited Earth. What is the name of this model?
A
lunar model
B
heliocentric model
C
geocentric model
D
galaxy model
8) The solar system consists of the sun, several kinds of smaller objects such as comets and asteroids, and
A
eight planets and their moons
B
six planets and their moons
C
the star proxima centauri
D
more than 100 planets
9) Which planet is sometimes called Earth's twin because it has similar density and internal structure?
A
mars
B
venus
C
mercury
D
saturn
10) Which of the following could a stars become after it runs out of fuel?
A
galaxy
B
moon
C
comet
D
white dwarf
11) The solar system began as a cloud of gas and dust called a solar nebula. What force formed the sun, planets, and other objects from this nebula?
A
friction
B
centrifugal force
C
magnetism
D
gravity
12) The atmospheres of the gas giant planets cannot escape into space because
A
although they are big, the planets have little mass.
B
The gases are too heavy.
C
the gases solidify at higher elevations.
D
the planets have very strong gravitational pulls.
13) The milky Way is an example of
A
a spiral galaxy
B
an irregular galaxy
C
a quasar
D
an elliptical galaxy
14) What two key factors led Galileo Galilei to convince others that the heliocentri model was correct.
A
Phases of the moon and seasons of the sun
B
Planets revolving around Earth and elliptial orbits.
C
circular ellipses and phases of Jupier
D
Moons orbiting Jupiter and phases of Venus
15) Earth is closest to the sun when it is summer in the
A
Western Hemisphere
B
Southern Hemisphere
C
Northern Hemisphere
D
Eastern Hemisphere
16) In June there a fewer hours of daylight and less direct sunlight in the
A
Western Hemisphere
B
Northern Hemisphere
C
Southern Hemisphere
D
Eastern Hemisphere
17) How do scientists use parallex to measure the distance o nearby stars?
A
Parallax helps classify stars according to brightness and temperature.
B
Parallax helps identify the chemical composition of stars
C
The Parallax increases the focal length of the lens of a telescope.
D
Parallax shows the apparent movement of a star seen from different positions.
18) How an you tell the temperature of a star's surface?
A
by the speed it travels
B
by the size
C
by the brightness
D
by the color
19) Most stars on the H-R diagram are
A
main-sequence stars
B
white-dwarfs
C
giants
D
supergiants
20) All stars begin their lives as part of
A
double stars
B
protostars
C
nebulas
D
pulsars
*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?