Search Results
Showing results 1 to 20 of 65
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-090.jpg?itok=RHSatcdy)
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-549.jpg?itok=ZGrjAcDQ)
Modeling Day and Night
Source Institutions
In this activity (on page 1 of the PDF), learners make a "mini-globe" to investigate the causes of day and night on our planet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-952.jpg?itok=69dBzgfS)
Caution! Wildlife Crossing
Source Institutions
In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-286.jpg?itok=jyU_KjvO)
Rocket Launchers
Source Institutions
In this activity, learners work with an adult to build a rocket and launcher out of a plastic 2-liter bottle, flexible plastic hose, plastic tubing, toilet paper tube, and duct tape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-777.jpg?itok=XTHNFAgI)
The Scoop on Habitat
Source Institutions
Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-454.jpg?itok=Zqn0Ji4X)
Drying It Out
Source Institutions
In this activity, learners investigate and compare the rate of drying in different conditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-332.jpg?itok=pYNKIPOI)
Comparing the Density of an Object to the Density of Water
Source Institutions
Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-634.jpg?itok=N4EgKWGx)
Sandy Samples
Source Institutions
In this collecting/comparing activity, learners work with samples of sand from different places like a lakefront, river, or ocean beach.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-416.png?itok=eYN_p0GZ)
Dunking the Planets
Source Institutions
In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-321.gif?itok=SOxXq6Kx)
Earth's Energy Cycle: Albedo
Source Institutions
In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-195.jpg?itok=HyaAAfWk)
Physics in the Sky: Physics on a Plane
Source Institutions
On an airplane trip, learners have an opportunity to investigate the properties of air pressure at different altitudes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-152.gif?itok=NVzrmUUD)
Cloud Fun
Source Institutions
Learners complete a series of hands-on and investigative activities to explore cumulus clouds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-227.jpg?itok=cyW5qtpT)
Clay Exploration
Source Institutions
In this activity, learners explore the possibilities of clay as a natural material.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-023.png?itok=s6wj68Wd)
It's Natural
Source Institutions
This activity introduces learners to Native Americans as people who depended upon nature in the past and continue to emphasize the importance of nature in the present.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-325.png?itok=wId3r0lt)
Envirolopes
Source Institutions
In this outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-489.png?itok=-fntjfp0)
Vanishing Craters
Source Institutions
In this activity (on pages 12-15), learners make a crater model and test the effects of weather (rain) on its surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-423.png?itok=ICRnoU6q)
Jiggly Jupiter
Source Institutions
In this activity, learners build edible models of Jupiter and Earth to compare their sizes and illustrate the planets' internal layers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-598.jpg?itok=s5ui-Xs9)
Foam Tower
Source Institutions
In this activity (page 1 of the PDF under SciGirls Activity: Water Slides), learners will whip up some suds with a cup of water and a tablespoon of dish soap until the bubbles are stiff enough to star
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-168.jpg?itok=cSmfVQZF)
Learning the Land
Source Institutions
In this activity, learners will take a step back and learn the history of the land they live on, and the people who used to live on it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-353.png?itok=ZRRw6na5)
Trash Traits
Source Institutions
In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.