Search Results
Showing results 21 to 40 of 125
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-686.png?itok=leZY1XKB)
DNA Extraction
Source Institutions
Learners use a simple process to extract DNA from strawberries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-259.jpg?itok=kmJibrq8)
Where Does Life Live?
Source Institutions
In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.
![](/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-000-000-004-538.png?itok=BmJZraLK)
Serving Sizes
Source Institutions
In this nutrition and estimation activity (page 12 of PDF), learners estimate serving sizes of different foods and compare their estimates to serving size information provided on nutrition food labels
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-020.jpg?itok=T2wIgtOK)
Woodlands Map
Source Institutions
This is a culminating activity which allows learners to summarize what they know about Woodlands Native Americans by creating illustrations and map symbols for a large outline map (see related Activit
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-378.jpg?itok=ZD_SWZ5D)
Space Stations: Beans in Space
Source Institutions
In this activity, learners perform 20 arm curls with cans that simulate the weight of beans on Earth versus the weights of the same number of beans on the Moon and in space.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-771.jpg?itok=hPGh-uZY)
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-648.jpg?itok=OAY2Yu88)
Altered Reality
Source Institutions
In this activity, learners discover that the human brain is highly adaptable. Learners try to toss beanbags at a target while wearing prism goggles.
![](/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-000-000-004-557.png?itok=orkDaI86)
Supporting Structures
Source Institutions
In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-543.png?itok=h_wbfpeu)
Weighty Questions
Source Institutions
In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-248.png?itok=J97MiK3J)
Visualizing How the Vestibular System Works
Source Institutions
In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-417.jpg?itok=-FRpwNbG)
Crayfish Investigations
Source Institutions
This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-162.jpg?itok=lPhXRIB4)
Mermaid's Purse
Source Institutions
In this activity (page 2 of pdf), learners craft a model of a skate egg case and come to understand that cartilaginous fish such as sharks and shakes employ reproductive strategies that differ from th
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-600.png?itok=Bojy48Rw)
What's in the Water?: Biotic and Abiotic Elements in Aquatic Ecosystems
Source Institutions
In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-554.png?itok=slUB7CnX)
Muscle Fibers
Source Institutions
In this activity about human anatomy (page 20 of PDF), learners investigate the structure of muscles by comparing yarn and cooked meat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-568.gif?itok=spJ-gsQz)
Do Plants Need Light?
Source Institutions
In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-371.jpg?itok=Fw4SbsnQ)
Our Sense of Touch: Two-Point Discrimination
Source Institutions
In this activity, learners investigate the touch sensory system and discover how to plan and carry out their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-358.jpg?itok=cyjIlLUK)
Our Sense of Sight: Eye Anatomy and Function
Source Institutions
In this activity, learners investigate the sense of sight and develop and conduct their own experiments.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-645.jpg?itok=40wWj93w)
Invent an Insect
Source Institutions
In this creative activity, learners will find out what makes an insect an insect by studying examples of insect adaptations and by examining why there are so many different types of insects.