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Transcript
Planets of the Solar System
Standardized Test Prep
Planets of the Solar System
Preview
•
Multiple Choice
•
Short Response
•
Reading Skills
•
Interpreting Graphics
Planets of the Solar System
Standardized Test Prep
Multiple Choice
1. Small bodies that join to form protoplanets in the early
stages of the development of the solar system are
A. planets.
B. solar nebulas.
C. plantesimals.
D. gas giants.
Planets of the Solar System
Standardized Test Prep
Multiple Choice
1. Small bodies that join to form protoplanets in the early
stages of the development of the solar system are
A. planets.
B. solar nebulas.
C. plantesimals.
D. gas giants.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
2. Scientists hypothesize that Earth’s first oceans were made of fresh
water. How did oceans obtain fresh water?
F.
Water vapor in the early atmosphere cooled and fell to Earth as
rain.
G. Frozen comets that fell to Earth melted as they traveled
through the atmosphere.
H. As soon as icecaps formed, they melted because Earth was
still very hot.
I.
Early terrestrial organisms exhaled water vapor, which
condensed to form fresh water.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
2. Scientists hypothesize that Earth’s first oceans were made of fresh
water. How did oceans obtain fresh water?
F.
Water vapor in the early atmosphere cooled and fell to Earth as
rain.
G. Frozen comets that fell to Earth melted as they traveled
through the atmosphere.
H. As soon as icecaps formed, they melted because Earth was
still very hot.
I.
Early terrestrial organisms exhaled water vapor, which
condensed to form fresh water.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
3. The original atmosphere of Earth consisted of
A. nitrogen and oxygen gases.
B. helium and hydrogen gases.
C. ozone and ammonia gases.
D. oxygen and carbon dioxide gases.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
3. The original atmosphere of Earth consisted of
A. nitrogen and oxygen gases.
B. helium and hydrogen gases.
C. ozone and ammonia gases.
D. oxygen and carbon dioxide gases.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
4. Scientists think that the core of Earth is made of molten
F. iron and nickel.
G. nickel and magnesium.
H. silicon and nickel.
I. iron and silicon.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
4. Scientists think that the core of Earth is made of molten
F. iron and nickel.
G. nickel and magnesium.
H. silicon and nickel.
I. iron and silicon.
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
5. Scientists estimate that the sun originated as a star
nebula and began to produce its own energy through
nuclear fusion approximately how many years ago?
A. 50 million years
B. 500 million years
C. 1 billion years
D. 5 billion years
Planets of the Solar System
Standardized Test Prep
Multiple Choice, continued
5. Scientists estimate that the sun originated as a star
nebula and began to produce its own energy through
nuclear fusion approximately how many years ago?
A. 50 million years
B. 500 million years
C. 1 billion years
D. 5 billion years
Planets of the Solar System
Standardized Test Prep
Short Response
6. What four planets make up the group known as the
inner planets?
Mercury, Venus, Earth, and Mars
Planets of the Solar System
Standardized Test Prep
Short Response, continued
7. The Great Red Spot is found on what planet?
Jupiter
Planets of the Solar System
Standardized Test Prep
Reading Skills
Read the passage below. Then, answer questions 8-10.
Movement of the Planets
Imagine that it is the year 200 BCE and that you are an apprentice
to a famous Greek astronomer. After many years of observing the
sky, the astronomer knows all of the constellations as well as he
knows the back of his hand. He shows you how all the stars move
together--how the whole sky spins slowly as the night goes on. He
also shows you that among the thousands of stars in the sky, some
of the brighter ones slowly change their position in relation to the
other stars. The astronomer names these stars planetai, the Greek
word that means “wanderers.”
Building on the observations of the ancient Greeks, we now know
that the planetai are actually planets, not wandering stars. Because
of their proximity to Earth and their orbits around the sun, the
planets appear to move relative to the stars.
Planets of the Solar System
Standardized Test Prep
Reading Skills, continued
8. According to the passage, which of the following
statements is not true?
F. It is possible to determine planets in the night sky
by the way they move relative to the other stars.
G. The word planetai means “wanderers” in the
Greek language.
H. Some of the earliest astronomers to detect the
presence of planets were Roman.
I. Ancient Greeks were studying astronomy more
than 2,200 years ago.
Planets of the Solar System
Standardized Test Prep
Reading Skills, continued
8. According to the passage, which of the following
statements is not true?
F. It is possible to determine planets in the night sky
by the way they move relative to the other stars.
G. The word planetai means “wanderers” in the
Greek language.
H. Some of the earliest astronomers to detect the
presence of planets were Roman.
I. Ancient Greeks were studying astronomy more
than 2,200 years ago.
Planets of the Solar System
Standardized Test Prep
Reading Skills, continued
9. What can you infer from the passage about the ancient
Greek astronomers?
A. They were patient and observant.
B. They knew much more about astronomy than we
do today.
C. They spent all of their time counting the number
of stars in the sky.
D. They invented astronomy and were the first
people to observe the skies.
Planets of the Solar System
Standardized Test Prep
Reading Skills, continued
9. What can you infer from the passage about the ancient
Greek astronomers?
A. They were patient and observant.
B. They knew much more about astronomy than we
do today.
C. They spent all of their time counting the number
of stars in the sky.
D. They invented astronomy and were the first
people to observe the skies.
Planets of the Solar System
Standardized Test Prep
Reading Skills, continued
10. What did the Greek astronomers note about the movement of stars
and constellations?
Answers should include the following points:
• the ancient Greeks realized that the stars seem to move as a whole
• the Greeks observed that stars move slowly across the sky each
night, and each year, in predictable and regular patterns
• the Greeks believed in a geocentric model of the solar system, in
which the planets and sun were thought to revolve around Earth
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics
The pie graphs below show the percentages of different
gases in the atmospheres of three planets. Use these
graphs to answer questions 11 and 12.
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics, continued
11. What is the percentage of carbon dioxide in the
atmosphere of Venus?
F. 3.5%
G. 21%
H. 95%
I. 96.5%
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics, continued
11. What is the percentage of carbon dioxide in the
atmosphere of Venus?
F. 3.5%
G. 21%
H. 95%
I. 96.5%
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics, continued
12. Today, Earth’s atmosphere includes a large amount of
oxygen. Describe how the oxygen in Earth’s atmosphere
formed, and using this information, predict the likelihood that
Mars will someday have oxygen in its atmosphere.
Answers should include the following points: the graphs show that
Earth’s atmosphere consists of approximately 21% oxygen, whereas
Mars has no oxygen in its atmosphere; Earth obtained oxygen from
organisms that used liquid water and carbon dioxide in photosynthesis
and released oxygen in the process; without liquid water, it is unlikely
that Mars could currently support photosynthetic organisms; without
photosynthetic organisms, no oxygen could be released into Mar’s
atmosphere; some students may mention that it is possible that Mars
may have had such organisms in the past.
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics
The table below shows the orbital and rotational periods of
the planets in the solar system. Use this table to answer
questions 13 and 14.
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics, continued
13. Which planet’s day length is nearly the same as
Earth’s?
A. Mercury
B. Mars
C. Saturn
D. Neptune
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics, continued
13. Which planet’s day length is nearly the same as
Earth’s?
A. Mercury
B. Mars
C. Saturn
D. Neptune
Planets of the Solar System
Standardized Test Prep
Interpreting Graphics, continued
14. How many rotations does Neptune complete in one
Earth day?
The correct answer is 1.4 rotations. Neptune completes
its rotation in 16 hours. One day on Earth is 24 hours.
Students should determine how many times 16 goes
into 24 by dividing 24 by 16. A common mistake that
some students may make is to divide 16 by 24 and
reach an answer of 2/3 rotations.