Search Results
Showing results 61 to 80 of 775
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-428.jpg?itok=jH5eFhpM)
What is Nanotechnology?
Source Institutions
In this activity related to nanotechnology, learners observe some of the effects that result from creating a thin layer of material several nanometers thick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-101.jpg?itok=v-DzJP4q)
Build an Electromagnet
Source Institutions
In this activity, learners will build a simple electromagnet. They will test variables that would make the electromagnet stronger.
![](/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).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-756.jpg?itok=OK6OsGoC)
What Goes Up...
Source Institutions
In this activity about gravity (page eight of the pdf), learners will very simply explore how gravity affects objects using balls and toys.
![](/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-000-000-001-584.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-000-000-003-132.jpg?itok=fQZmor6V)
Exploring How Liquids Behave
Source Institutions
Learners apply their knowledge from a previous study to identify different liquids--water, corn syrup, and vegetable oil.
![](/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-000-000-003-133.jpg?itok=KqfwzF6c)
Exploring Liquids
Source Institutions
Young learners investigate and observe the properties of three liquids -- water, vegetable oil, and corn syrup. They use their senses to collect data and ask and answer questions.
![](/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.