Suffix, Prefix, and Root Words
Read the sentence.
Scientists check the volcano rock temperature level biweekly to predict its likelihood to erupt.
Think of the prefix bi-. What is the meaning of biweekly above?
Every week
Every two weeks
Once a month
One week
2. Every two weeks
Read the sentence from paragraph 6.
They can also destroy things when red-hot lava pours out of them.
Now read the thesaurus entry.
destroy verb; abolish, cancel, paralyze, shatter
Which word from the thesaurus entry best matches the way destroy is used in the sentence?
Abolish: do away with or put to an end
Cancel: call off; erase
Paralyze: to make no longer moveable
Shatter: break into small pieces
1. Abolish: do away with or put to an end
Which text details best describes the illustration on page 71?
Sometimes hot, liquid lava sprays out of the vent.
Others move more slowly with lava that flows like thick honey.
The ash from volcanic eruptions can change Earth’s weather.
It was one of the biggest volcanic eruptions of all time.
1. Sometimes hot, liquid lava sprays out of the vent.
How do paragraphs 4 and 5 help the author develop his purpose?
It shows how dangerous volcanoes can be
It describes how a volcano works
It describes lava
It provides a visual of the inside of a volcano
2. It describes how a volcano works
Part A: What is the central idea paragraph 6?
Volcanoes send ask into the sky.
Volcanoes can be very powerful.
Volcanoes can have an effect on the weather.
Volcanoes have erupted throughout history.
3. Volcanoes can have an effect on the weather.
Read the sentence from paragraph 7.
Finally, when the lid is taken off, the soda sprays out.
Think of the suffix -ly. What is the meaning of finally above?
Full of being final
Without being final
The last soda
In a way that is final
4. In a way that is final
Read these sentences from paragraph 1.
Lava, or liquid rock, was shooting up to the water’s surface from below. Ash, tiny bits of rock crushed to a powder, also shot up to the surface.
What is the meaning of surface in this context?
To come into sight
To break through
The middle part of something
The top part of something
4. The top part of something
1. This is how a volcano works.
2. Smoke, Ash, and Lava.
3. The Strange Power of Volcanoes
4. Photo taken 16 days after the Surtsey eruption in 1963.
4. Photo taken 16 days after the Surtsey eruption in 1963.
Choose three details that should be included in a summary of the passage.
Sometimes tiny bits of rock blast in a huge ash cloud.
The bubbles create a special kind of gas.
It lets smoke, ash, and lava out of the volcano.
The ash from volcanic eruptions can change Earth’s weather.
Surtsey was born from a volcano.
When it was over, all that lava had formed a new island called Surtsey.
“They can also be found in deserts or jungles.
3. It lets smoke, ash, and lava out of the volcano.
4. The ash from volcanic eruptions can change Earth’s weather.
6. When it was over, all that lava had formed a new island called Surtsey.
Underline three sentences in paragraph 6 below that best supports the central idea.
1. The ash from volcanic eruptions can change Earth’s weather.
2.In April 1815, Mount Tambora in the Paific Ocean erupted.
3.It was one of the biggest volcanic eruptions of all time.
4. It sent a huge ash cloud into the sky.
5. For more than a year, the weather everywhere on Earth was different.
6. Summers were cold and cloudy.
7. Snow feel and lakes froze, even in in June!
8. All this because a volcano erupted!
4. It sent a huge ash cloud into the sky.
5. For more than a year, the weather everywhere on Earth was different.
6. Summers were cold and cloudy.
What does the word "unilateral" mean?
A) Something with two parts.
B) Related to many countries.
C) Involving just one group or person in charge.
D) Having three measurable aspects or qualities.
C) Involving just one group or person in charge.
Why would the author most likely include the diagram on page 71?
1. To show what volcanoes look like.
2. To identify the parts of a volcano.
3. To entertain us.
4. To convince us to like volcanoes.
2. To identify the parts of a volcano.
What does the word "undo" mean?
A) To do something again
B) To reverse or cancel an action
C) To complete a task
D) To make something new
B) To reverse or cancel an action