Search Results
Showing results 181 to 200 of 354
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-510.jpg?itok=yzj5VN3g)
Convection Demonstration
Source Institutions
In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-921.gif?itok=4MAqC_S6)
Watercraft
Source Institutions
In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-429.png?itok=r9frfe-V)
Crystal Packin' Mama
Source Institutions
In this activity, learners investigate the basic crystal structures that metal atoms form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-148.jpg?itok=9OGfTe0H)
Go with the Flow
Source Institutions
In this quick and easy activity and/or demonstration, learners use two empty soda cans to illustrate Bernoulli's principle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-415.jpg?itok=isZ2wcuK)
That's the Way the Ball Bounces: Level 2
Source Institutions
In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, volume, density, and bounce height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-401.jpg?itok=apZHufws)
Composites
Source Institutions
In this activity, learners explore how composites work by creating and testing their own composite for an imaginary company.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-330.png?itok=QuXUk_OU)
Film Canister Rocket
Source Institutions
In this activity, learners construct and launch rockets using simple materials and their understanding of chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-592.gif?itok=BSxF4lpY)
What is a “Convection Cell”?
Source Institutions
In this demonstration, learners can observe a number of small convection cells generated from a mixture of aluminum powder and silicon oil on a hot plate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-967.jpg?itok=1FWeJkLi)
Oil Spill Solutions
Source Institutions
In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-236.png?itok=37vifWFl)
Potion Commotion
Source Institutions
In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-998.png?itok=PuyXyPrp)
Paper Chromatography with Leaves
Source Institutions
In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-235.jpg?itok=APMqQFfs)
pH Scale
Source Institutions
In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-442.jpg?itok=96eWRt2w)
Bent Toward Science: Refraction
Source Institutions
This is an activity about the behavior of light. Using simple, everyday objects, learners will discover that light moves in straight lines until acted upon by another object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-318.png?itok=S0BcZ6CK)
Let's Look at Water & the Scientific Method
Source Institutions
This activity has learners observe water and compare it to other liquids.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-686.gif?itok=TTf15U6W)
Physical Change
Source Institutions
In this activity, learners use heat to separate zinc and copper in a penny. This experiment demonstrates physical properties and how physical change (phase change) can be used to separate matter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-393.jpg?itok=k8ORMFUB)
How Many Pennies?
Source Institutions
In this activity (pages 13-14), learners investigate the properties of smart materials, which are materials that respond to things that happen around them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-999.jpg?itok=HrOtXA86)
Layered Liquids: Chemistry You Can Drink
Source Institutions
In this chemistry activity (on page 2 of the PDF), learners make a layered drink with liquids of different densities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-644.jpg?itok=nExLX9hb)
Biochemistry Happens Inside of You!
Source Institutions
In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-136.jpg?itok=IZPSydOx)
We all Scream for Ice Cream
Source Institutions
In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-877.png?itok=oBOR2BI9)
Cooling Off
Source Institutions
In this activity, learners are introduced to challenges of maintaining temperatures while living in space.