Search Results
Showing results 1 to 20 of 22
![](/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-000-000-000-634.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-000-000-004-414.jpg?itok=7jNUQFko)
The Pull of the Planets
Source Institutions
In this activity, learners model the gravitational fields of planets on a flexible surface.
![](/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-000-000-005-258.jpg?itok=c8vzK520)
Do the Mystery Samples Contain Life?
Source Institutions
In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-270.jpg?itok=iLE2M5BN)
Habitat Adaptation Matchup
Source Institutions
In this activity, learners work in small groups to match various marine animals with their different environments.
![](/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-000-000-001-325.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-000-000-003-502.jpg?itok=g7gVRAfm)
The Great Plankton Race
Source Institutions
In this activity, learners are challenged to design a planktonic organism that will neither float like a cork nor sink like a stone.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-358.png?itok=d17RAX2S)
Tabloid Science
Source Institutions
In this activity, learners analyze a fictionalized report of life on Mars, based on a real NASA satellite photo, and explore how to separate scientific fact from fiction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-602.png?itok=Ndvc2Bjw)
Uplifting Force: Buoyancy & Density
Source Institutions
In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much wat
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-282.jpg?itok=Re_XvRr6)
Sustainable Fishing
Source Institutions
In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-045.jpg?itok=ay8FRFzQ)
Particle Detection
Source Institutions
By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-565.png?itok=C5k26NWy)
Breathing Machine
Source Institutions
In this activity, learners work in teams to construct human lung models from small plastic beverage bottles and balloons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-224.png?itok=uqBP86mX)
Sensory Hi-Lo Hunt
Source Institutions
In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-606.png?itok=LTqLI1vr)
Breaking the Tension: Surface Tension 1
Source Institutions
Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-371.png?itok=OUxhnISV)
Nature Walk
Source Institutions
In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-138.gif?itok=3JOn6FDM)
What-a-cycle
Source Institutions
In this activity, learners act as water molecules and travel through parts of the water cycle to discover that it is more complex than just water moving from the ground to the atmosphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-425.png?itok=dClpzC15)
Investigating the Insides
Source Institutions
In this activity, learners work in teams to investigate the composition of unseen materials using a variety of tools.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-572.png?itok=9bRuuKz1)
Stick to It: Adhesion II
Source Institutions
Water sticks to all kinds of things in nature — flowers, leaves, spider webs - and doesn't stick to others, such as a duck's back.