Search Results
Showing results 621 to 640 of 1055
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-317.jpg?itok=PxDhHaFw)
DIY Elephant Toothpaste
Source Institutions
In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-529.gif?itok=n1Zt3RLL)
Rainbow in the Room
Source Institutions
This activity generates learner excitement about light through the creation of a room-sized rainbow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-757.jpg?itok=wAuEtaw2)
Origami Flying Disk
Source Institutions
In this three-part activity, learners use paper to explore Bernoulli's Principle — fast-moving air has lower pressure than non-moving air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-285.png?itok=bsQq5_8r)
Indicator Paper
Source Institutions
Use grape juice, baking soda, water and vinegar to make acid and base indicator paper! This activity contains a recipe and instructions for the indicator paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-821.jpg?itok=xhqdmOQS)
Bake Ice Cream in Your Oven
Source Institutions
In this a hands-on activity, learners explore how to put ice cream in an oven without it melting. Ideas in this activity include insulation and cooking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-125.jpg?itok=dhepv1gK)
It's the "Rain," Man
Source Institutions
In this weather forecasting activity, learners use common materials to construct a rain gauge and measure daily, monthly, and yearly rainfall.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-809.jpg?itok=4qQJuWgM)
Chemistry is Colorful
Source Institutions
In this activity, learners explore materials through paper chromatography.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-444.jpg?itok=uU-wso7h)
Where Does the Wind Blow?
Source Institutions
In this activity, learners investigate wind by comparing the force of wind in different locations. Learners build wind-o-meters out of wooden sticks and strips of paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-794.gif?itok=JjUdkH3I)
Sliding Gray Step
Source Institutions
How can you make one shade of gray look like two? By putting it against two different color backgrounds! This activity allows learners to perform this sleight of hand very easily.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-322.jpg?itok=LeLpVjp8)
Curious Crystals
Source Institutions
Learners carefully look at four known household crystals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-482.png?itok=PiNmUbsG)
Potato Straw
Source Institutions
In this physics demonstration, learners are challenged to insert a straw the furthest into a potato.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-496.gif?itok=SXhC4Vfj)
Daffy Density
Source Institutions
In this chemistry activity, learners explore density by using four solids and 6 liquids to create colorful, layered rows.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-555.png?itok=4R2HQIhe)
Nano Scavenger Hunt
Source Institutions
This is an activity (located on page 3 of PDF under Where's Nano? Activity) about identifying nanoscale objects and phenomena in today's world.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-582.jpg?itok=Wfj5iTbO)
Penny Drop
Source Institutions
In this quick activity about the properties of water (page 1 of PDF under SciGirls Activity: Malformed Frogs), learners will use an eyedropper to slowly place one drop of water at a time onto a penny,
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-652.jpg?itok=sYojSBlg)
Mystery Sand
Source Institutions
In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-939.jpg?itok=fLm0ph07)
Working with Watermills
Source Institutions
In this activity, learners explore how watermills have helped harness energy from water through the ages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-409.gif?itok=sKwBwR0O)
Catch a Wave: How Waves are Formed
Source Institutions
In this three-part activity, learners explore how waves are formed and why some waves are bigger than others. First, learners observe waves of water in a pan generated by an electric fan.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-408.jpg?itok=8LLsT8CA)
Gelatin Used for Drug Delivery
Source Institutions
In this activity, learners discover how gelatin can be used as a medium for drug delivery. Learners create colored gelatin and then cut out pieces of the gelatin to simulate medicine (pills).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-168.png?itok=jTlscHSz)
Sound Mixer: A Multi-track Mixer of Animal Sounds
Source Institutions
This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-083.jpg?itok=hDr-fKLd)
Hot Stuff!: Carbon Dioxide Extinguishes a Flame
In this demonstration, learners observe vinegar and baking soda creating carbon dioxide (CO2) in a bottle. The gas is poured out of a bottle onto a candle flame, putting out the candle.