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Ball Bounce Experiment
Source Institutions
In this activity, learners investigate the properties of different types of balls.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-111.png?itok=cm_dErWp)
Pedal Power
Source Institutions
In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.
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Double Dutch Distractions
Source Institutions
This activity (page 2 of the PDF under SciGirls Activity: Double Dutch) is a full inquiry investigation into whether hearing or seeing has a bigger effect on jump rope performance.
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Heart and Lungs
Source Institutions
In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-288.png?itok=zeWJSTQH)
Seas in Motion
Source Institutions
In this outdoor, beach activity, learners use tennis balls, water balloons and other simple devices to investigate the movement of waves and currents off a sandy beach.
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Salt Water Revival
Source Institutions
In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-548.png?itok=VwIlWmuc)
Gravity and Muscles
Source Institutions
In this activity about center of gravity (page 23 of PDF), learners investigate how the body adjusts to the force of gravity to remain balanced.
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Water Walk
Source Institutions
Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-115.png?itok=ZquIu5T4)
Heart to Heart
Source Institutions
In this activity, learners compare ways to measure their heart rates. Learners build their own stethoscopes and learn how exercise affects heart rate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-541.png?itok=2BeS9p2v)
Heart Rate and Exercise
Source Institutions
In this activity about heart health (on page 27 of the PDF), learners measure their heart rates after a variety of physical activities and compare the results with their resting heart rates, and with