The Cosmic Mystery of White Holes
Questions:
5
Grade:
5
Words:
91
Imagine a giant vacuum cleaner in space, sucking everything that comes near. That's what we call a black hole. But have you ever heard of a white hole? Just like a geyser spews out water, a white hole is believed to spit out matter and energy! It's like the opposite of a black hole. But here's the catch, we haven't found a white hole yet! These cosmic mysteries are just in our science books for now. But who knows? Maybe you'll be the future explorer who finds the first white hole!
Question 1
What is a black hole?
A
A space vacuum cleaner that sucks everything
Explanation. In the context of the provided content, a black hole is likened to a gigantic vacuum cleaner in space that pulls in everything that comes near it.
B
A moon without light
C
An asteroid moving very fast
D
A new galaxy
E
A star that fell from the sky
Question 2
What is a white hole?
A
A star that shines very brightly
B
A hole in the ozone layer
C
A white dwarf star
D
Believed to spit out matter and energy
Explanation. According to the content, a white hole is believed to spit out matter and energy, similar to how a geyser spews out water. It is considered the opposite of a black hole.
E
The north pole of a planet
Question 3
Have we found a white hole yet?
A
Yes, we have found many white holes
B
No, we have not found any white holes yet
Explanation. The content states clearly that we haven't found a white hole yet. These cosmic mysteries remain in our science books for now.
C
Yes, but only one white hole has been found
D
No, but we are close to finding one
E
Yes, we have found a white hole but it disappeared
Question 4
What is the function of a geyser in the context of a white hole?
A
Geyser and white hole both absorb matter
B
Geyser is used to compare with white hole for spewing out water
Explanation. In the text, a geyser is used as a metaphor to explain the concept of a white hole. Just like a geyser spews out water, a white hole, theoretically, would spit out matter and energy.
C
White hole and geyser both are found in space
D
Geyser is a type of white hole
E
Geyser is used to prevent white hole from spewing matter
Question 5
What can you infer about the possibility of finding a white hole in the future?
A
We will never find a white hole
B
We will find a white hole in the next few years
C
Only astronauts can find a white hole
D
Anyone, including you, could potentially find a white hole
Explanation. The text implies that the discovery of a white hole is a future possibility and that anyone, even the reader, could potentially discover the first white hole.
E
White holes can only be found using special equipment
or share via
Assign the ReadTheory pretest to determine students' reading levels.
