Coffee in Space: Astronauts' Brew

Space Science

Astronauts on the ISS rely on caffeine, consuming coffee from pouches. The 'space cup' allows for a mug-like experience in zero gravity. Water is recycled, and freeze-dried coffee is used. The amount needed for a Mars mission is a future question.

Astronauts Coffee Space Exploration

10 Questions Medium Ages 10+ Oct 24, 2025

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About this Study Set

This study set covers Space Science through 10 practice questions. Astronauts on the ISS rely on caffeine, consuming coffee from pouches. The 'space cup' allows for a mug-like experience in zero gravity. Water is recycled, and freeze-dried coffee is used. The amount needed for a Mars mission is a future question. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 10 questions from the Coffee in Space: Astronauts' Brew study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 How many hours a day do astronauts typically work on the ISS?

A 8-10 hours
B 12-14 hours
C 6-8 hours
D 10-12 hours

2 About how much caffeine does the average astronaut consume per day?

A 200 milligrams
B 50 milligrams
C 100 milligrams
D 150 milligrams

3 What is the equivalent of 100mg of caffeine in common beverages?

A One cup of coffee
B Two cups of tea
C One can of energy drink
D All of the above

4 How do astronauts typically drink coffee on the ISS?

A From a mug
B From a glass
C From a plastic pouch through a straw
D From a thermos

5 Who invented the zero-gravity cup?

A Neil Armstrong
B Buzz Aldrin
C Don Pettit
D Yuri Gagarin

6 What does the space cup rely on to keep liquid in place?

A Magnets
B Gravity
C Surface tension and physics
D Velcro

7 What is unique about the shape of the space cup?

A It is spherical
B It has an angled channel
C It is made of glass
D It is foldable

8 Where does the water for coffee on the ISS come from?

A Imported from Earth
B Collected from rain
C Recycled liquids and air moisture
D From a nearby asteroid

9 What form of coffee is used on the ISS?

A Ground coffee beans
B Instant coffee
C Freeze-dried coffee grounds
D Coffee syrup

10 What is a big question for the future regarding coffee in space?

A The best coffee brand
B How much coffee for a Mars mission
C If coffee affects sleep in space
D The ideal temperature for space coffee

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