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21st CENTURY EXPLORER
Are we there yet?
Why do astronauts eat tortillas instead of bread?
How would your body change in space?
How can we travel faster in space?
What will replace the Space Shuttle?
Why do robots travel places before people?
Why return to the Moon before going to Mars?
Why do we want to study and travel to Mars?
Where would a space explorer find water and oxygen?
What would you find on the Moon’s surface?
What would you hear in a weather report from Mars?
How will your imagination help you become an explorer?
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WHY DO ASTRONAUTS EAT TORTILLAS INSTEAD OF BREAD?
Glossary

freeze-dried – a process that preserves (food, for example) by rapidly freezing and drying in a vacuum

intermediate moisture- a substance with most moisture removed before packaging; allows water to be added later to return it to its original state

irradiated - to treat by exposure to radiation

rehydrated - to restore fluid to something dehydrated

semi-liquid – a material (food, for example) which may look and feel like a liquid but is resistant to movement

thermostabilized - stable when heated
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NATIONAL EDUCATION RESOURCES
The 21st Century Explorer Education package is undergoing beta-testing. Please use the following link to submit any questions or comments.
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NATIONAL EDUCATION STANDARDS
National Science Education Standards (NSES)

Content Standard A: Science as Inquiry

  • Abilities necessary to do scientific inquiry (K–8)
  • Understandings about scientific inquiry (K–8)

Content Standard B: Physical Science

  • Properties of objects and materials (K–4)

Content Standard E: Science and Technology

  • Abilities of technological design (K–8)
  • Understanding about science and technology (K–8)

National Health Education Standards (NHES)

Health Education Standard 3: Students will demonstrate the ability to practice health-enhancing behaviors and reduce health risks.

  • Identify responsible health behaviors
  • Identify personal health needs

International Technology Education Association (ITEA)

Standard 3: Relationships among technologies and the connections between technology and other fields.

  • Various relationships exist between technology and other fields of study (3–5)