Name: __________________________ Section: _________

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Vocabulary

Word Definition

universe

galaxy

astronomy

solar system

craters

space probe

satellite

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Lesson 1 – What makes up the universe? Page 518-521

1. How are the universe and galaxy alike?

2. How would you describe the Milky Way galaxy?

3. Describe what makes up the universe.

4. What is the science of studying objects in space?

5. Do today’s sailors still use the Sun and the stars on the open sea? Why or why not?

6. List the things that make up our solar system

7. Planets are ______________ and _______________ compared to stars.

8. Which planets are classified as inner planets?

9. Which planets are classified as outer planets?

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10. What separates the inner and outer planets?

11. _______________________ are rocky objects that also orbit the Sun but are too small to be called planets.

12. How does gravity affect the movement of planets?

13. Why do planets orbit the Sun?

14. What do you think would happen if the Sun provided only half as much energy?

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Lesson 2 – What are the inner planets? Page 522-527

1. The four planets closest to the Sun are known as what?

2. Name the four inner planets in order

Mercury p.5223. In the box below summarize the most important facts about Mercury.

4. Why is Mercury very hot during the daytime and extremely cold during the nighttime?

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Venus p.5235. In the box below summarize the most important facts about Venus.

6. Venus and Earth are two inner planets that are about the same size. Both are surrounded by an atmosphere, but life is found only on Earth. Give two reasons why life cannot exist on Venus.

Earth and the Moon p. 524-5257. In the box below summarize the most important facts about Earth.

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8. How is the Moon different from Earth?

9. What two features of Earth make life possible?

10. Why is there no life on the Moon?

Mars p.526-52711. In the box below summarize the most important facts about Mars.

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12. Why is Mars called the “Red Planet?

13. What characteristics of Mars makes it unlikely that complex life forms can be supported there?

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Lesson 3 – What do you know about Jupiter, Saturn, and Uranus? Page 528-533

1. What do Jupiter, Saturn, and Uranus all have in common?

Jupiter2. Jupiter is the ______________ planet from the Sun.

3. What is Jupiter’s atmosphere mainly made up of?

4. What is the cause of Jupiter’s Great Red Spot?

5.What is a gas giant?

6. List three facts you learned about Jupiter and Jupiter’s Moons.

Saturn7. Saturn is the _______________ planet from the Sun.

8. What are Saturn’s rings made of?

9. Why did Galileo think Saturn had handles?

10. Saturn has a unique moon named ____________________ because _________

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___________________________________________________________________________

11. A 100 pound person would weigh 74 pounds on Saturn. What can you infer about Saturn’s gravity?

Uranus12. Uranus is the ___________________ planet from the Sun.

13. What makes up Uranus’s atmosphere?

14. Why is it hard to see the rings of Uranus with Earth-based telescopes?

15. What do scientists think caused Uranus to rotate on its side?

15. How is Uranus different from the other gas giants?

16. How is the atmosphere of Uranus different from that of Saturn?

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Lesson 4 – What do we know about Neptune and beyond? Page 534-537

Neptune1. Neptune is the ____________ planet from the Sun.

2. If Neptune were hollow, how many Earths would fill it?

3. The name of Neptune’s largest moon is ________________

4. Explain why it takes Neptune more then 100 Earth years to orbit the Sun.

5. How are Jupiter’s Great Red Spot and Neptune’s Great Dark Spot similar?

6. Compare the size of Neptune with the other gas giants. Then compare the size of Neptune with all of the inner planets.

7. What is unusual about Pluto’s orbit?

8. In what way is Pluto and its moon, Charon, different from the planets and their moons?

9. Do you think that scientists will find other dwarf planets beyond Neptune someday? Why or why not?

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A(n) _________________ is a vehicle that carries cameras and other tools into space.

2. The study of the universe, including the Sun, Moon, starts, and planets, is called _____________________.

3. A(n) __________________is an object that orbits another object in space.

4. Many millions of stars held together by gravity form a _________________________.

5. _______________ are bowl-shaped holes made by meteorites.

6. The _____________________ is all of space and everything in it.

7. The Sun and the objects that revolve around it, including the planets, their moons, dwarf planets, asteroids, and other objects, make up the ___________________________.

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Fill in the blank

1. Mercury is hot during the daytime and cold during the nighttime because

__________________________________________________________

2. The _____________ around Saturn are made of water, ice, dust, and chunks of rock.

3. Life on Earth is possible because of __________________ and _____________________.

Constructed Response

1. How does gravity affect the movement of planets?

2. What is the cause of the Great Red Spot on Jupiter?

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3. How is Uranus different from the other gas giants?

4. Explain why life cannot exist on Venus.

5. Compare the size of Neptune with the other gas giants. Then compare the size of Neptune with all of the inner planets.

6. List three features that the outer planets all have in common

Name that Planet!

1. This planet is an inner planet with two moons. The planet sometimes has huge dust storms that cover the entire planet. The rocks and soil found on the planet are rich in iron.

2. This planet has the greatest number of moons.

3. This planet’s atmosphere is made of thick clouds that reflect the Sun’s light and make it one of the brightest objects in Earth’s night sky. It is also the second planet from the Sun.

4. This planet has a moon named Titan.

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Label all of the planets

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