Jupiter has a moon called Ganymede. It has a huge ocean under thick ice. The ocean may hold more water than all of Earth!
Study these words before reading the article. Click the audio button to hear pronunciation.
A round thing in space that goes around a planet
“The moon is bright at night.”
A very big area of salt water
“Fish live in the ocean.”
Having a lot between one side and the other side
“The book is very thick.”
Having the taste of salt
“The sea water is salty.”
Stays in a place where no one can see
“The cat hides under the bed.”
To go to a new place and look around
“I want to explore the forest.”
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Click on any underlined word to see its definition. Highlighted words are from the vocabulary section.
Jupiter has a very big moon. It is called Ganymede. Ganymede is the biggest moon ever! It is bigger than the planet Mercury. Scientists found something amazing under it.
A huge ocean hides under the ice. The ice is very thick and deep. The ocean has salty water inside. It may hold more water than Earth! That is so much water!
No one can see this ocean. The ice covers it like a shell. Scientists want to explore it one day. Maybe a space mission will go there. It is a very exciting discovery!
Test your understanding of the article with these multiple-choice questions.
What is Ganymede?
What is under the ice on Ganymede?
What kind of water is in the ocean?
Ganymede is bigger than which planet?
Answer these comprehension questions about the article.
What is the name of the big moon?
Where is the ocean on Ganymede?
What planet does Ganymede go around?
What covers the ocean on Ganymede?
How much water does the ocean have?
Share your opinions on these open-ended questions.
What would you do if you visited Ganymede?
Can you think of a fun name for this ocean?
What is your favorite planet in space?
If you could explore any moon, which one?
What do you think lives in space oceans?
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