Search Results
Showing results 21 to 40 of 284
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-493.jpg?itok=c_b6UO1E)
Clear Slime Polymer
Source Institutions
In this chemistry activity, learners use guar gum to make slime. Use this activity to introduce learners to polymers, viscosity, and colloids.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-401.png?itok=_WlVFV-B)
Cooking with Chemistry
Source Institutions
In this activity, learners experiment with different variables in making hollandaise sauce to achieve the correct texture and consistency.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-236.jpg?itok=605Oyl1x)
Rainbow Density Experiment
Source Institutions
In this colorful activity (page 6 of the PDF), learners will make a multicolor density column by using different concentrations of sugar solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-429.jpg?itok=31DANnFf)
Sublime Sublimation
Source Institutions
In this activity, learners explore sublimation by conducting experiments with dry ice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-578.jpg?itok=YSS4r3Hs)
Funny Putty
Source Institutions
In this chemistry activity (page 1 of PDF SciGirls Activity: Milk Carton Boat), learners will create a blob of stretchable funny putty out of a water, borax, and glue mixture.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-322.png?itok=koOK-mvw)
Plugged in to CO2
Source Institutions
In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-597.jpg?itok=rj7w75Tz)
How Can Gravity Make Something Go Up?
Source Institutions
In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-454.gif?itok=SXVdmiBz)
Landing the Rover
Source Institutions
In this team design challenge (page 19-24 of PDF), learners "land" a model Lunar Rover in a model Landing Pod (both previously built in activities #3 and #4 in PDF).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-913.jpg?itok=UqS1Hktr)
Be a Scanning Probe Microscope
Source Institutions
In this activity, learners investigate Scanning Probe Microscopes (SPM) and then work in teams using a pencil to explore and identify the shape of objects they cannot see, just as SPMs do at the nano
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-593.jpg?itok=tc0LyYbX)
Chew that Gum
Source Institutions
In this quick activity (page 1 of PDF under SciGirls Activity: Exercise and Memory), learners will investigate what happens to bubble gum when it is chewed for 5-10 minutes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-492.jpg?itok=xb7lbWG1)
Cat's Meow
Source Institutions
In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-551.jpg?itok=Kj1lTEBX)
Composite Materials
Source Institutions
This is an activity (located on page 3 of PDF under Hockey Sticks Activity) about composites, materials made of 2 or more different components.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-972.png?itok=MsgPm-Ze)
The Liquid Rainbow
Source Institutions
Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-655.jpg?itok=g01f1ZG7)
Gummy Shapes
Source Institutions
In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-685.gif?itok=9j_pb0nH)
Illuminations on Rates of Reactions
Source Institutions
In this activity, learners investigate the speed of chemical reactions with light sticks. Learners discover that reactions can be sped up or slowed down due to temperature changes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-683.jpg?itok=rrt7M08I)
Conductivity Meter
Source Institutions
In this activity, learners build a simple qualitative conductivity tester with a battery, bulb and foil.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-849.jpg?itok=ZGN5YcGp)
Super Bounce
Source Institutions
In this activity (on page 1 of the PDF under SciGirls Activity: Soccer Ball Kick), learners will investigate the transfer of energy using sports equipment.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-046.png?itok=qEY_NDVX)
Polymers are Chains (K-2)
Source Institutions
In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-396.jpg?itok=ld-vG2_u)
Jem's Pykrete Challenge
Source Institutions
In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-345.jpg?itok=jDwxCz8L)
Comparing the Density of Different Liquids
Source Institutions
Learners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way.