Download 3-4 Astronomy Review 2

3 Grade Science
Astronomy Review 2
City Academy Science
Name: ________________________________________________________
DIRECTIONS: Below is a cumulative review of the astronomy unit. All questions must be answered
using complete sentences. Reviews completed and corrected entitle students to use their notes for
the last five minutes of the quiz. The review is due either Tuesday, February 14 with a quiz on
Thursday, February 16. Students are to study for their quiz 20 minutes each night prior to the quiz
using their notes, handouts and reviews. All of these materials can be found on the science
classroom page under the Parent Resources pull-down menu at www.cityacademyschool.org.
LABEL: Label all the arrows on the model of the Solar System below using the key
provided.
Completed
on time
0 or 5
Used
complete
sentences
0 or 5
Fixed all
answers (in
red pen)
0 or 5
Handed in
day of quiz
0 or 5
SHORT ANSWER: Answer each of the following questions using proper terms and complete sentences.
1. What is earth science? What are the four main branches of earth science? What is astronomy? Why is
astronomy one of the main branches of earth science?
2. What is the definition of the word universe? How big is the universe? What is the current shape and radius of the
observable universe?
3. What evidence do astronomers have that the universe is getting bigger? What is the Big Bang Theory?
4. What is a galaxy? What are the three different categories of galaxies? How are these types of galaxies different
from one another? How are many galaxies held together?
5. What is a star? What are most stars composed of? Where do stars form? How are stars classified or grouped?
FILL IN THE BLANKS: Using the terms below, list each
term in order from biggest to smallest by putting each
term in the triangle at its appropriate place.
Earth
Orion’s Arm
Goldilocks Zone
Milk Way Galaxy
Universe
Inner Planets
Local Group
Solar System
LABEL: Label all the arrows on the models below with either revolution or rotation.
SHORT ANSWER: Answer each of the following questions using proper terms and complete sentences.
6. Where is Earth located in the Solar System? Where is the Solar System located in the Milky Way Galaxy? Where
is the Milky Galaxy located in the Universe?
7. What are four similarities between the inner planets? What are four similarities between the outer planets? Why
can we assume that the outer planets would experience cooler temperatures than the inner planets?
8. What is the definition of solar system? How is a comet different from a moon? What type of star is located in the
Solar System?
9. What feature of the solar system divides the inner solar system from the outer? Where is the Kuiper Belt and what
is it made of?
10. What is NASA and what does it do? Why is rocketry one of NASA’s major focuses? What is escape velocity and
why is it important to NASA?
11. What are some other means of space exploration beyond rockets? What is JPL and what does it do? What is the
mission of the CSTS?
LABEL: Label all the arrows on the model of Earth below using the key provided.
Tropic of Capricorn
Equator
Plane of the Elliptical
Direction of Rotation
Circle of Illumination
Tropic of Cancer
Arctic Circle
Axis
South Pole
Antarctic Circle
North Pole