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Dripping Wet or Dry as a Bone?
Learners investigate the concept of humidity by using a dry and wet sponge as a model. They determine a model for 100% humidity, a sponge saturated with water.
Digestion
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In this food science activity, learners explore digestion and proteins by observing the action of meat tenderizer on luncheon meat.
Batter Up!
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This activity (on page 3 of the PDF under GPS: Baseball Activity) is a full inquiry investigation into how "bounciness" relates to the distance a ball will fly when hit off a batting tee.
A Funny Taste
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In this activity, learners explore the different salinities of various sources of water by taste-testing.
The Rumblin' Road: Determining distance to a Thunderstorm
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In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.
Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
Quadraphonic Wind
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In this activity, learners discover how the extent of various wind speeds changes in each of the four quadrants around a hurricane.
Surface Area and Soda Geysers
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This is an activity (located on page 4 of the PDF under Surface Area Activity) about surface area and reactivity.
Landing the Rover
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In this team design challenge (page 19-24 of PDF), learners "land" a model Lunar Rover in a model Landing Pod (both previously built in activities #3 and #4 in PDF).
Why Circulate?
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In this activity related to the human circulatory system (on page 10 of the PDF), learners observe the dispersion of a drop of food coloring in water, draw conclusions about the movement of dissolved
Drugs, Risks and the Nervous System
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In this activity, learners estimate risks associated with different events and compare their estimates to the real possibilities.
A Recipe for Air
Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.
Extreme Sounds
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This activity (on page 2 of the PDF under SciGirls Activity: Extreme Sounds) is a full inquiry investigation into sound.
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.
A Cubic Foot Per Second
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In this activity, learners measure and calculate the amount of cubic feet various containers contain. Next, learners investigate cubic feet per second (cps), by carrying jugs in one second.
Whose Fault Is It?
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In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.
How Big is Small
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In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.
Transformation of E. coli Using Green Fluorescent Protein
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In this activity related to plant biotechnology, learners transform a strain of E. coli using green fluorescent protein from a bioluminescent jellies.
Four Corners
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In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly.
Percentage of Oxygen in the Air
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In this activity, learners calculate the percentage of oxygen in the atmosphere by using steel wool's ability to rust.