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Our World (Grades 3-5)

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Our World: Phytoplankton – Powering the Ocean Food Web
2 min read

Did you know some of the tiniest living things in the ocean help make the air you breathe? Meet phytoplankton,…

Dec 18, 2025
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Our World: Mission Patches
1 min read

See how NASA astronauts design their mission patches to tell the story of each shuttle mission. The astronauts must choose…

Aug 25, 2025
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Our World: Meet the Orbiters
1 min read

Join Orby, the Orbiter, as she shares some fun facts about NASA’s space shuttles. Did you know the shuttles traveled…

Aug 25, 2025
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Our World: The Stories Moon Rocks Tell
3 min read

More than 50 years ago the Apollo missions brought Moon rocks, core samples, pebbles, sand, and dust back to Earth.…

Oct 25, 2023
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Our World: Wind Tunnels in Action
1 min read

Join NASA scientists and engineers at NASA Langley Research Center, one of the most extensive wind tunnel facilities in the…

Mar 19, 2023
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Our World: Systems to Grow Plants in Space
2 min read

No matter where plants grow, they have the same basic needs: water, nutrients, light, temperature, and atmosphere. No matter where…

Jan 30, 2023
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Our World: Where Do Crops Grow?
1 min read

Have you ever wondered where food comes from? Learn how Dr. Catherine Nakalembe uses NASA satellite data to show the…

Oct 25, 2021
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Our World: Fire Safety – Here and In Space
1 min read

Fire needs fuel, oxygen, and heat – no matter where the fire may be housed. Review fire safety rules while…

Apr 9, 2020
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Our World: Simple Machines – Here and in Space
1 min read

Simple machines are all around us and help make our work easier. When simple machines are combined, a compound machine…

Apr 9, 2020
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