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Space Stations: Bones of Contention
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In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.

Mold Growth
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In this activity learners observe mold growth on different types of bread by measuring and recording the growth rate.

Space Stations: Sponge Spool Spine
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In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

Space Weather Action Center
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In this interdisciplinary activity, learners create a Space Weather Action Center (SWAC) to monitor solar storms and develop real SWAC news reports.

Living Bones, Strong Bones
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In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh

Ripening of Fruits and Vegetables
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In this activity, learners test the rate of ripening fruit and vegetables and use a chemical to inhibit the ripening process.

Space Stations: Beans in Space
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In this activity, learners perform 20 arm curls with cans that simulate the weight of beans on Earth versus the weights of the same number of beans on the Moon and in space.

Future Moon: The Footsteps of Explorers
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In this activity, learners drop impactors onto layers of graham crackers!
Mission Insignia
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In this science/art activity, learners create an insignia or emblem for a planet exploration mission.

Moon's Long History: Impact Paintings
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In this activity, pairs of learners model how scientists use craters to determine the ages of lunar surfaces. One partner keeps time while the other creates a painting for the other to interpret.

Properties of Dust
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In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.

Cooling Off
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In this activity, learners are introduced to challenges of maintaining temperatures while living in space.

Searching for Life
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In this activity, learners discuss how life is defined and conduct a simple experiment, looking for signs of life in three different “soil” samples.

Space Stations: Follow the Bouncing Ball!
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In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why.

Mars from Above: Viewing Volcanoes
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In this activity, learners create volcanoes like those they have examined on Earth and Mars through images taken by spacecraft.

Mars from Above: Carving Channels
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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.

Space Stations: Measure Up!
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In this activity, learners work in pairs to measure each other's ankles with lengths of string.

Radar Mapping: What's in the Box?
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In this activity, learners mimic remote sensing. Learners use a stick to measure the distance to a "planet surface" they cannot see, and create their own map of the landscape.

Investigating the Insides
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In this activity, learners work in teams to investigate the composition of unseen materials using a variety of tools.

Lift Off!
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This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.