Search Results
Showing results 81 to 100 of 126
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-526.png?itok=tu74uLgT)
Self-Assembling Dessert Toppings
Source Institutions
This is an activity (located on page 3 of the PDF under Self-Assembly Activity) about self-assembly, the ability of molecules to assemble themselves according to certain rules.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-380.png?itok=wXV7GWUP)
Milk Makes Me Sick: Exploration of Lactose Intolerance
Source Institutions
Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-567.jpg?itok=NsJ2UDxN)
Food for the Brain
Source Institutions
In this activity, learners dissect a piece of pizza to learn about nutrients important for health.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-771.jpg?itok=4IzUdswq)
What Does Spit Do?
Source Institutions
Some animals can swallow food whole, but humans have to chew. In this activity, learners will investigate what saliva does chemically to food before we even swallow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-409.jpg?itok=C6aTWT2Y)
Survival of the Fittest: Variations in the Clam Species Clamys sweetus
Source Institutions
This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-285.jpg?itok=Kc9ad8IT)
Make a Comet Model and Eat It!
Source Institutions
In this activity, learners build models of comets, using edible materials, to learn about comets' structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-408.jpg?itok=dPz7AG9n)
Survival of the Fittest: Battling Beetles
Source Institutions
This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection through data collection and pattern recognition.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-727.jpg?itok=l145z5xT)
Bendy Bones
Source Institutions
In this activity (on pages 19-24 of PDF), learners soak chicken bones or eggshells in vinegar for several days.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-144.jpg?itok=qvl2aHil)
Melts in Your Bag, Not in Your Hand
Source Institutions
In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-280.png?itok=MMlTwZsi)
Fruit Fly Trap
Source Institutions
Build a fruit fly trap out of a 2-liter plastic bottle and some rotten fruit! Fruit flies are easy to catch in warm weather. Once you catch some, you will be able to see their life cycle up-close.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-580.jpg?itok=MljVVkuE)
Invisible Ink
Source Institutions
In this simple chemistry activity (page 1 of PDF under SciGirls Activity: Colorblind Dogs) about acids and bases, learners will mix a baking soda and water solution and use it to paint a message on a
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-451.jpg?itok=_zsZC_lx)
Scented Dough
Source Institutions
In this activity, learners follow a recipe to create play dough scented with fruit-flavored drink mix.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-865.jpg?itok=c2zrrYcB)
Onion DNA Extraction
Source Institutions
This laboratory exercise is designed to show learners how DNA can easily be extracted from onion cells using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-839.png?itok=9EgdviNS)
Chemical Identification
Source Institutions
In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-546.png?itok=p1E6eqoH)
Air-filled (Pneumatic) Bone Experiments
Source Institutions
Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.
Are you a Supertaster?
Source Institutions
In this activity, learners examine their tongue and taste buds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-635.gif?itok=uOFfS4tM)
Dye Like A Natural
Source Institutions
In this activity, learners stain fabrics--on purpose!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-742.jpg?itok=VN50_kyS)
Laser Jello
Source Institutions
In this activity, learners use gelatin as a lens to investigate the properties of laser light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-781.jpg?itok=rpHfOfhs)
Yeast DNA Extraction
Source Institutions
This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-174.jpg?itok=arOa2Rrl)
Making Naked Eggs: Eggs Without Shells
Source Institutions
This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.