Search Results
Showing results 2121 to 2140 of 2481
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-714.gif?itok=E-2nuHvs)
Magnetic Suction
Source Institutions
In this activity about electricity and magnetism, learners discover how a doorbell works. A coil of wire with current flowing through it forms an electromagnet that acts similar to a bar magnet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-072.gif?itok=kAPfNkbI)
Look Mom, No Wings!
Source Institutions
In this activity about flight, learners explore how high they can jump. Learners dip their finger in ink or dirt, then jump as high as they can and mark paper attached to the wall.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-066.png?itok=bH6Dlcxq)
Soggy Science, Shaken Beans
Source Institutions
Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-275.jpg?itok=aaaSe_l9)
Dissolving a Substance in Different Liquids
Source Institutions
In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-513.jpg?itok=OYOp0tgC)
Exploring Materials: Graphene
Source Institutions
In this activity, learners investigate the properties of graphene and graphite.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-700.jpg?itok=3SRulhDd)
Two-String Yo-Yo
Source Institutions
Learners build a yo-yo using a piece of wood, PVC pipe, and string. In doing so, learners explore the force of gravity and angular momentum.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-962.jpg?itok=bqR2MYNX)
Candy Chemistry
Source Institutions
In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-249.gif?itok=opFkgZ0V)
Invisible Investigations
Source Institutions
Using indirect observational methods, learners distinguish between charged and uncharged objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-606.png?itok=jMvv8PYF)
Habitable Worlds
Source Institutions
In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-023.png?itok=smz0GB2H)
Special Effects Using Household Chemicals
Source Institutions
In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-614.jpg?itok=XoKIID6J)
Dancing Cereal
Source Institutions
In this quick activity (on page 2 of the PDF under GPS: Body Electricity Activity), learners will observe how dry breakfast cereal appears to dance when it gets close to a balloon charged with static
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-172.jpg?itok=4-xN5yn7)
Making Sodium Acetate: Hot Ice
Source Institutions
In this chemistry activity which should only be done under adult supervision (page 10 of the PDF), learners will create an exothermic process by making Sodium Acetate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-745.jpg?itok=5_yCnLxy)
Exploring the Solar System: Hide and Seek Moon
Source Institutions
"Exploring the Solar System: Hide and Seek Moon" is an engaging way for early childhood learners to experiment with some of the tools scientists use to study objects that are very, very far away, and
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-375.png?itok=qVcRVdvJ)
Light Painting
Source Institutions
Light painting is a creative activity that involves creating striking images and illusions using a camera, a light source, and a little practice.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-751.jpg?itok=CIuktqCO)
Ancient Sun Observations
Source Institutions
In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-037.gif?itok=32aSv1Yn)
Microarrays and Stem Cells
Source Institutions
In this activity, learners use microarray technology to determine which genes are turned on and off at various points in the differentiation of pluripotent stem cells on their way to becoming pancreat
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-600.jpg?itok=A5LdOls_)
Benham’s Disk
Source Institutions
In this activity (on page 2 of the PDF under GPS: Light and Color Activity), learners will see the illusion of colors produced by a rotating black and white image known as Benham’s Disk.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-628.jpg?itok=3QhqmIWO)
Super Soaking Materials
Source Institutions
In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-349.png?itok=7krA5cTj)
Turbidity
Source Institutions
This is an activity about turbidity, or the amount of sediment suspended in water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-516.jpg?itok=ZONU1k8p)
Exploring Ultraviolet (UV) light from the Sun
Source Institutions
In this outdoor activity, learners explore UV rays from the Sun and ways to protect against these potentially harmful rays.