Exploration of Io

High school (ages 12+)
Space & Astronomy

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/exploration-of-io

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the location?Innermost of the four Galilean moons of Jupiter
2. What is the primary exploration missions?Pioneer 10 & 11 (flybys), Voyager 1 & 2 (flybys), Galileo (orbiter)
3. What makes Io the most volcanic moon in the Solar System?Io has hundreds of volcanoes that erupt all the time, sending hot gas and ash high into space.
4. How did scientists first learn about Io's volcanoes?NASA's Pioneer 10 and 11 flew by Io in the 1970s and saw its strange environment. Then Voyager 1 and 2 took pictures of the huge plumes in 1979.

Orbital Resonance: A phenomenon where orbiting bodies exert regular, periodic gravitational influence on each other due to their orbital periods.
Differentiation: The process by which a planetary body separates into layers (e.g., core, mantle, crust) based on density.