Name _________________________________ Period__________

Chapter 19.1 Key Terms Define the terms and answer the questions.


Planet


Which planet moves the fastest around our sun?

The slowest?

 

What is the pattern?

 

Solar system



Satellite

What happens when a satellite speeds up?


What happens when satellite slows down?


What happens when a satellite stops?


Phase


How many days between a third quarter moon and a full moon?



Solar Eclipse


Lunar Eclipse


Umbra


Penumbra

 

 

Skills Worksheet

Concept Review 19.1

Section: Sun, Earth, and Moon

1. Explain why the positions of objects in the sky change over time.

 

 

2. Identify the force at work that keeps planets orbiting stars, and satellites orbiting planets.

 

 

3. Draw the positions of Earth, the moon, and the sun during a lunar eclipse.

 

 

4. Explain how the moon causes tides on Earth.

 

 

5. Describe the parts of the solar system.

 

 

Assessment

Quiz 19.1

Section: Sun, Earth, and Moon

In the space provided, write the letter of the term or phrase that best completes each statement or best answers each question.

1. The moon’s surface is covered with

a. craters. c. ice.

b. oceans. d. an atmosphere.

2. The solar system is held together by

a. orbits. c. angular momentum.

b. inertia. d. gravitational forces.

3. When the moon is full, the is between the and the ____________.

a. moon, sun, Earth c. Earth, moon, sun

b. sun, Earth, moon d. moon, sun, Mercury

4. The moon affects Earth by causing

a. seasons. c. tides.

b. night and day. d. earthquakes.

5. Without the force of the sun’s gravity, Earth would

a. move closer to the sun. c. continue in its orbit.

b. fly off into space. d. stop moving.

6. During which phase of the moon could Earth cause a lunar eclipse?

a. new c. gibbous

b. crescent d. full

7. Earth and other planets orbit the sun.

a. seven c. nine

b. six d. eight

8. In what phase could the moon cause a solar eclipse?

a. new c. gibbous

b. crescent d. full

9. The largest body in the solar system is

a. Earth. c. the moon.

b. Jupiter. d. the sun.

10. The mass of the sun is about times larger than the mass of Earth.

a. 30 c. 300,000

b. 3,000 d. 30,000,000