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Parachute Design
Source Institutions
In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-328.jpg?itok=o0rFbYSp)
Changing the Density of an Object: Adding Material
Source Institutions
Learners see that a can of regular cola sinks while a can of diet cola floats. As a demonstration, bubble wrap is taped to the can of regular cola to make it float.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-300.png?itok=yIRlEvOB)
Natural Selection Because of Different Color: Camouflage
Source Institutions
In this activity (p.5-6 of PDF), learners investigate natural selection. Learners discover that natural selection, which takes place over decades, can lead to altered populations within a species.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-466.png?itok=Vg8Ez4IC)
Alike and Different
Source Institutions
This activity (on pages 7-13) has pairs of learners survey an array of similarities and differences between them.
Butterflies in Space
Source Institutions
The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-472.png?itok=nx2MwKDW)
Rain Forest in Your Room
Source Institutions
This activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to trees) and
We Have Capture!
Source Institutions
Using simple materials, learners will construct the end effector (grasping device) of a robotic arm and use the device to capture and pick up an object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-107.gif?itok=sR8CTOBC)
Nature Drawing
Source Institutions
In this family or group activity, learners create a nature journal by visiting a local nature center or backyard, observing creatures in their natural habitats, and sketching what they see.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-980.png?itok=TrfHl0vw)
Marble Mazes
Source Institutions
In this activity, learners create a marble maze that contains sensors. As a metal marble triggers the sensors, the Pico Cricket turns on lights or spins motors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-239.png?itok=HNOLB5T_)
Trail Construction
Source Institutions
In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-994.jpg?itok=BeUeMURk)
Water Ways
Source Institutions
In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-368.png?itok=Wb5rniRa)
Coral Spawning Globe
Source Institutions
This activity models the mass coral spawning event that takes place at Flower Garden Banks National Marine Sanctuary every August.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-857.png?itok=J0pQLrrm)
North American Endangered Amphibians Card Game
Source Institutions
In this activity, learners can play two card games related to endangered species, specifically North American amphibians.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-764.jpg?itok=SufukBiw)
Blowin' in the Wind
Source Institutions
In this weather activity, learners build their own wind detector and test for the presence of convection currents in their indoor location.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-577.jpg?itok=gPS3XS36)
Milk Carton Boats
Source Institutions
This activity (on page 2 of the PDF SciGirls Activity: Milk Carton Boat) is a full inquiry investigation into boat hull design.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-153.jpg?itok=XVlkJCtU)
Soapy Boats
Source Institutions
In this activity, learners will explore surface tension, what it is, and how we can change it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-426.jpg?itok=QUjAbFMi)
Balloon Impacts
Source Institutions
In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-211.png?itok=tYwpdyV8)
For the Birds
Source Institutions
In this outdoor activity, learners turn the fun of feeding wild birds into an investigation of bird behavior.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-432.jpg?itok=OC3Bx0l9)
Alien Encounter
Source Institutions
In this activity, learners use multiplication skills to get groups of aliens safely back to their planet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-205.png?itok=gSzMiZhd)
The Old White Sheet Trick: Light and Insect Behavior
Source Institutions
In this outdoor, nighttime activity, learners gather around a brightly lit, white surface and study the behavior of nocturnal animals attracted to the light, particularly night fliers.