Sarah, Plain and Tall

1
Telescopes from The Way Things Work Story
Vocabulary
galaxy
universe
bodies
frequency
revolutionize
Open Court 5th Grade Unit 2 Astronomy Lesson 2
Telescopes Marco Ruiz and Melissa Lape Wilson
Elementary
2
galaxy use context clues
A telescope gives a close-up view of a distant
object, which, in the case of viewing a galaxy,
is very distant indeed.
Earth is one of several planets located in the
Milky Way galaxy.
galaxy a large group of stars, dust, and gas
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3
universe use context clues
Many objects in the universe send out radio
waves, which radio telescopes detect.
Telescopes allow us to look at stars and planets
far out in the universe.
universe all things, including stars, planets,
and so on
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4
bodies use context clues
Radio telescopes have discovered the existence of
many previously unknown bodies.
Planets are often called heavenly bodies.
bodies - objects such as stars and asteroids
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5
frequency use context clues
Differences in frequency of the signals give
information about the composition of the source.
Sound waves that are delivered with high
frequency are easy to hear.
frequency - how often something happens within a
set period of time
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6
revolutionizeuse context clues
It promises to revolutionize astronomy because it
operates outside the atmosphere.
The invention of the computer will continue to
revolutionize how we communicate.
revolutionize to cause dramatic change
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7
Vocabulary Quiz

• _______ a large group of stars,
• dust, and gas

frequency bodies galaxy revolutionize universe
_________all things, including stars, planets,
and so on
__________ objects such as stars and asteroids
_________ how often something happens within a
set period of time
__________to cause dramatic change
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8
Related Words
All of these words relate to astronomy.
magnify
Match the picture to the word.
galaxy
satellite
atmosphere
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9
All the following words begin with prefixes.
What does each prefix mean?
telescope
far
universe
one
intercepts
between
enable
cause to be
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10
All of these words end with suffixes.
What does each suffix mean?
viewer
one who does something
secondary
belonging to, connected with
existence
action, process
astronomical
related to, dealing with
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11
Words containing /e/ sound spelled e and ee
peer
degree
previous
reduce
sequence
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12
A satellite orbits outside Earths atmosphere.
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13
A telescope will enable you to see far-off
planets.
Which words contain prefixes?
telescope, enable
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14
There is evidence that some types of insects have
been in existence since prehistoric times.
Which words contain suffixes?
evidence, existence, prehistoric
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15
The outside temperature was one degree lower than
it had been on the previous day.
previous
degree
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