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.

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?

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

 

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