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Name
Date
Directed Reading for
Content Mastery
Class
Overview
Earth in Space
Directions: Complete the concept map using the terms below.
the planets
rotation
Earth
day and night
seasons
revolution
Meeting Individual Needs
The Sun
is orbited by
1.
which include
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
2.
whose
whose
3.
4.
around the Sun causes
on its axis causes
5.
6.
Directions: Circle the item in parentheses that best complete each sentence below.
7. When the bright portion of the Moon’s surface is increasing, it is said to be
(waxing, waning).
8. The sun accounts for (75%, 99%) of all the matter in the solar system.
9. When (meteorites, meteoroids) enter Earth’s atmosphere they are called meteors.
10. Pluto is (unlike, exactly like) the other outer planets.
11. Depressions formed by large meteorites are called (maria, craters).
Earth in Space
19
Name
Date
Directed Reading for
Content Mastery
Section 1
■
Section 2
■
Class
Earth’s Motion
and Seasons
Earth’s Moon
Directions: For each of the following, write the letter of the term or phrase that best completes the sentence.
1. Earth’s shape is ______ spherical.
a. exactly
b. nearly
2. The length of day equals the length of night during the ______.
b. equinox
3. ______ can only occur when the Sun, the Moon, and Earth are perfectly
lined up.
a. Eclipses
b. Seasons
4. The spinning of Earth on its axis is called ______.
a. revolution
b. rotation
5. Evidence gathered by the Apollo space program supports the hypothesis
that the Moon formed ______.
a. when a large object collided with Earth
b. at the same time and from the same material as Earth
6. During summer, Earth’s northern hemisphere is tilted ______ the Sun.
a. toward
b. away from
7. ______ are regions of the moon that probably formed when lava filled
bowl-like basins on the Moon’s surface.
a. Maria
b. Highlands
8. The waxing phases of the Moon are immediately followed by ______.
a. new moon
b. full moon
9. The curved shadow on the Moon during a lunar eclipse is evidence of
Earth’s ______.
a. shape
b. density
10. The complete cycle of the Moon’s phases takes about ______ days.
a. 32
20 Earth in Space
b. 29.5
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Meeting Individual Needs
a. solstice
Name
Date
Directed Reading for
Content Mastery
Section 3
■
Class
Our Solar System
1. Venus
often called the ringed planet
2. Uranus
closest to the Sun; has high cliffs
3. Pluto
largest planet in the solar system
4. Saturn
has an atmosphere that includes a layer of ozone
5. Mars
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
6. Earth
has rocks on its surface that have a reddish color
made partly of ice and partly of rock
7. Mercury
has winds that blow faster than those on any
other planet
8. Neptune
similar to Earth in size, but covered in thick clouds
9. Jupiter
has a blue-green atmosphere due to methane;
seventh planet from the Sun
Directions: Circle the word in parentheses that correctly completes the sentence.
10. Some scientists believe that the solar system may have formed from the condensation of a large (meteoroid/nebula).
11. The inner planets have (thin/thick) atmospheres and solid (rocky/gaseous) bodies.
12. A belt of (asteroids/comets) separates the inner and outer planets.
13. The atmospheres of the gaseous planets are made up mostly of
(hydrogen/oxygen) and helium.
14. (Pluto/Saturn) is completely different from the other outer planets.
15. In 2008, NASA plans to study the ocean of liquid water they believe might exist
on (Triton/Europa).
Earth in Space
21
Meeting Individual Needs
Directions: Draw a line from the planet on the left to the phrase on the right that describes it.
Name
Date
Directed Reading for
Content Mastery
Class
Key Terms
Earth in Space
Directions: Match the terms in Column II with the definitions in Column I. Write the letter of the correct term in
the blank at the left.
Column II
Meeting Individual Needs
1. depression formed when a large meteorite
strikes the surface of a moon or planet
a. rotation
2. occurs when Earth blocks sunlight from
the surface of the full moon
b. revolution
3. time of year when the Sun reaches its greatest
distance north or south of Earth’s equator
c. solar eclipse
4. imaginary line drawn from Earth’s north
geographic pole to its south geographic pole
5. Earth’s curved path around the Sun
d. asteroid
e. orbit
6. one of many small, rocky objects that lie
in a belt between the inner and outer planets
f. solar system
7. made up of small particles of rock and ice;
forms a tail as its orbit approaches the Sun
g. axis
8. the motion of Earth around the Sun
h. solstice
9. unit of length used to measure distances
between objects in the solar system
i. astronomical unit
10. occurs when the Moon blocks sunlight from
part of Earth’s surface
j. equinox
11. the spinning of Earth on its axis
k. crater
12. time of year when the Sun is directly over
Earth’s equator and the length of day equals
the length of night all over the world
l. lunar eclipse
13. the Sun and all of the objects in orbit around it
m. comet
14. Galileo’s name for the dark spots on the
lunar surface
n. maria
22 Earth in Space
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Column I