Search Results
Showing results 81 to 100 of 991
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-372.gif?itok=gD2nDHlR)
Space Stations: Sponge Spool Spine
Source Institutions
In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).
Enhanced Water Taste Test
Learners conduct a "blind" taste-test of several types of enhanced or fitness water drinking water that has commercially added substances like vitamins, sugars, or herbs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-974.gif?itok=nnPJjI3C)
Views From Windows
Source Institutions
In this activity, learners use their imaginations and picture a scene in their heads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-736.jpg?itok=BWWpSKeL)
Odors Aloft
Source Institutions
Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-768.jpg?itok=jldMLGnU)
Oh Boy Buoyancy
Source Institutions
In this physics activity, learners will explore the concept of buoyancy, especially as it relates to density.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-335.jpg?itok=FA3aEl9g)
The Space Place
Source Institutions
In this activity (23rd on the page), learners conduct an experiment to examine memory and learning.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-584.jpg?itok=8HHj2492)
Free Fall
Source Institutions
In this quick activity (page 1 of PDF under SciGirls Activity: Hockey), learners will use a simple physics of motion and gravity demonstration to test their predicting skills.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-447.gif?itok=VtipnS4V)
Descartes' Diver
Source Institutions
In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-967.png?itok=LcrMNLCG)
DNA Modeling Activity
Source Institutions
Using pipe cleaners, straws, and beads, learners explore the building blocks of life by creating their own model of DNA.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-973.png?itok=2gHVoR6h)
Hot and Cold
Source Institutions
In this chemistry challenge, learners discover that many chemical reactions involve heat loss or gain.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-668.jpg?itok=R-joBVdY)
The Electric Squeeze
Source Institutions
In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-669.png?itok=W9ELo08r)
Nano Ice Cream
Source Institutions
In this activity/demo, learners discover how liquid nitrogen cools a creamy mixture at such a rapid rate that it precipitates super fine grained (nano) ice cream.
![](/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-000-000-000-796.gif?itok=T3zbdJZh)
Rice Handle
Source Institutions
In this physics activity, learners attempt to lift a jar full of rice using only a spoon.
![](/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-000-000-002-334.jpg?itok=aLflV835)
Shape Up!
Source Institutions
In this activity (25th on the page) about learning and memory, learners explore a training method that animal trainers employ called "shaping." Working in pairs, learners will attempt to "shape" each
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-452.jpg?itok=IpaQ560a)
Cylindrical Mirror
Source Institutions
In this activity, learners create a cylindrical mirror to see themselves as others see them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-591.jpg?itok=UWvV-QED)
Screaming Balloon
Source Institutions
In this quick activity (page 1 of the PDF under SciGirls Activity: Extreme Sounds) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce t
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-769.jpg?itok=mFO9v_pe)
Vibrant Cords
Source Institutions
In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-546.jpg?itok=HGQcLN-6)
Iridescent Art
Source Institutions
This is a quick activity (on page 2 of the PDF under Butterfly Wings Activity) that illustrates how nanoscale structures, so small they're practically invisible, can produce visible/colorful effects.