Search Results
Showing results 81 to 100 of 225
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-072.png?itok=1oSWLNsl)
Diving Submarine
Source Institutions
Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-467.jpg?itok=gR2xDnq9)
Catapult
Source Institutions
In this activity about transfer of energy, learners get to build their own catapult using nothing more than a plastic spoon and some tape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-238.jpg?itok=u1PpIdU6)
Tempest in a Teacup
Source Institutions
In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-911.jpg?itok=vUchuQfw)
Acids & Bases
Source Institutions
In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-158.jpg?itok=03KN2Vso)
Sink It
Source Institutions
Learners classify a variety of objects by their characteristics. They then design an experiment to determine which objects float or sink in water and add this characteristic to their classification.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-301.jpg?itok=x9pi3r8R)
Shrinkers: Cook up some plastic!
Source Institutions
In this activity (on page 2 of the PDF), learners (with adult help and supervision) investigate how heat affects polystyrene plastic.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-473.gif?itok=bYYEQc6Z)
Vestibular-Ocular Reflex
Source Institutions
In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-315.png?itok=8cg6hFZy)
Choose Your Ooze
Source Institutions
During this activity, learners will make different versions of "ooze" using varied proportions of detergent and glue.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-311.gif?itok=2dgr4DK2)
Miscibility
Source Institutions
Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-526.gif?itok=lZE5Jx5z)
What Do You Know About Microbes?
Source Institutions
This is a series of quick activities/demos and pre-assessment tools that evaluate learners' current understanding of microbes and introduce them to basic information about microbes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-463.gif?itok=yStFcDbB)
The Parachuting Egg
Source Institutions
In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-466.jpg?itok=SpMlANTT)
COSI Quicksand
Source Institutions
In this chemistry experiment, learners get to make a very bizarre substance using corn starch and water. Is it a solid? Is it a liquid? Or is it a different kind of substance entirely?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-855.jpg?itok=tRthDvhr)
Marble Run!
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Luge) is a full inquiry-based challenge related to motion and design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-841.png?itok=w0wZGZ6Y)
Atoms and Matter (K-2)
Source Institutions
In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-570.png?itok=nqg0DGDZ)
Properties of Dust
Source Institutions
In this activity, learners carry out a scientific investigation of dust in their classroom. Learners produce an analysis on graph paper of the dust they collect over the course of a few days.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-300.jpg?itok=ilysqQmo)
Invisible Ink
Source Institutions
In this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-670.jpg?itok=Pl__kNBD)
Vectoring: Steering a Plane
Source Institutions
In this two part activity, learners work in pairs or individually to discover how vectoring the thrust from a jet engine affects movement of an airplane.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-463.jpg?itok=7yvcYcj8)
Rock Candy
Source Institutions
In this yummy chemistry activity which requires adult supervision, learners use sugar and water to explore how crystals form.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-254.jpg?itok=9vOV3ASS)
Nature of Dye
Source Institutions
"Nature of Dye" allows participants to create their own dyes and art while exploring how chemicals interact and how these interactions can have real-world applications.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-823.png?itok=7R3aDjyw)
How Do We Convert Mechanical Energy into Electrical Energy?
Source Institutions
In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.