Search Results
Showing results 521 to 540 of 730
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-199.jpg?itok=zjdZ7GRJ)
Squishy Soil
Source Institutions
In this activity, learners will investigate the part of soil. Explore how clay, silt, and sand make up the dirt in your background. Activity includes step-by-step instructions and extension ideas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-645.png?itok=7Z5uH56w)
Build a Raft
Source Institutions
In this activity, learners explore density and buoyancy as they design and construct rafts.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-792.jpg?itok=RTyWf6k5)
Solar System Bead Distance
Source Institutions
In this astronomy activity, learners create a model of the solar system using beads and string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-377.jpg?itok=ir8pOdNy)
Make a Wire Critter That Can Walk on Water
Source Institutions
In this activity, learners make water-walking critters using thin wire, and then test how many paper clips these critters can carry without sinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-753.jpg?itok=xvL8r4SZ)
Weightless Water
Source Institutions
In this physics activity (page 5 of the PDF), learners will witness the effects of free fall by observing falling water, and will gain a better understanding of the concept of weightlessness.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-445.jpg?itok=TAryZ4vx)
Tissue Paper Spray Art
Source Institutions
In this activity, learners observe color mixing and absorbency using colored tissue paper and spray bottles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-808.jpg?itok=uZ6sRLiF)
Milk Magic
Source Institutions
In this activity, learners experiment with how dish soap and fat interact by making a colorful swirl.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-781.gif?itok=00bPZO0_)
Marshmallow Puff Tube
Source Institutions
In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-971.gif?itok=XEm_Ydah)
Mammal Flipbooks
Source Institutions
In this activity, learners explore mammal locomotion by constructing flipbooks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-820.jpg?itok=Nj3H1mmg)
Make An Impact
Source Institutions
In this hands-on activity, learners simulate the crashing and smashing of a meteor impact using household cooking supplies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-681.jpg?itok=cBJEouSB)
Estimation
Source Institutions
In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-128.jpg?itok=gCoVFC8e)
Enciérrelo
Source Institutions
Jugando a este juego de estrategia, los chicos desarrollan su entendimiento de área y perímetro. En su turno, cada jugador hace una línea entre dos punto contiguos en la cuadrícula.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-149.jpg?itok=aVXlYvt5)
Breathing Blue
Source Institutions
In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-198.jpg?itok=iNynEO0n)
Honeycomb Geometry
Source Institutions
In this activity, learners will build a honeycomb. Learners will investigate how the shape of the honeycomb develops. Activity includes step-by-step instructions and extension ideas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-557.gif?itok=l90KskkB)
Make a Human Scale Ladder
Source Institutions
In this quick activity about size and scale (on page 2 of the PDF under What's Nano?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-778.jpg?itok=AXeaZIpy)
Jumping Beans
Source Institutions
In this physics activity (page 3 of the PDF), learners will explore the concept of static electricity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-452.jpg?itok=ybNiNqCZ)
Olympic Track Meet
Source Institutions
In this activity, learners discover how exercise helps keep the body healthy. Learners increase their heart rates by running and understand how running fast versus walking affects their pulse rates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-133.jpg?itok=p4S-94fU)
Moonlight Serenade
Source Institutions
In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-446.jpg?itok=hdWLS4JH)
Sunny Day Painting
Source Institutions
In this activity, learners explore properties of water and watch evaporation happen by "painting" with water in the sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-308.png?itok=Nq0M-BBR)
Natural Selection of Antibiotic Resistant Bacteria
Source Institutions
In this activity (p.3-4 of PDF), learners learn about disease transmission and antibiotic resistance.