Expedition 73

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/expedition-73

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. How high is Expedition 73?Approximately 400 kilometers (250 miles) above Earth
2. How big is Expedition 73?Human physiology, materials science, biology, Earth observation, fundamental physics, and technology demonstration
3. What is the space station name?International Space Station (ISS)
4. What is the participating space agencies?NASA (USA), Roscosmos (Russia), JAXA (Japan), ESA (Europe), CSA (Canada)
5. Why do astronauts do experiments in space?In space, the lack of gravity lets scientists study physics, medicine, and materials in ways that are impossible on Earth, helping us learn new things for future space travel and for people here.
6. How do astronauts stay healthy while floating in space?They exercise every day to keep their muscles and bones strong, eat special food, and stay in touch with family and friends to feel happy and calm.

Extravehicular Activity (EVA): Any activity performed by an astronaut outside a spacecraft beyond the Earth's appreciable atmosphere.
Physiological Deconditioning: The negative changes in the body's systems due to prolonged exposure to microgravity.
Technology Demonstration: Testing new technologies in space to assess their viability for future missions.