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Showing results 461 to 473 of 473
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Soil Profile
Source Institutions
In this activity, learners will create a soil profile in a bottle. They will learn about the organic and inorganic matter found in soil and observe as it separates into layers in the bottle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-213.png?itok=_zCsfrZv)
Size It Up
Source Institutions
In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-295.png?itok=R4PrPQbV)
Flinker
Source Institutions
In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-086.jpg?itok=dK6i2i1M)
Probability
Source Institutions
In this activity, learners will explore probability using dice. They will predict and then roll the dice to observe how many rolls it would take to repeat a matching pair. Learn track predictions vs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-549.jpg?itok=jri7ePXg)
Spinning Your (Color) Wheels
Source Institutions
In this optics activity, learners use everyday materials to make a color wheel. When learners spin the wheel like a top, they will be surprised to see all the colors mixing together to appear white.
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Constellation Detective
Source Institutions
In this quick activity, learners practice locating a constellation in a map of very dark skies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-690.jpg?itok=SxLt-zEc)
Overlapping Spots: Make a bright spot brighter
Source Institutions
This perception trick focuses on conflicting information to the brain...instead of trying to see two images, you're trying to get a bright spot by overlapping the image you see through two tubes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-445.jpg?itok=93ZPxK61)
Telephone Talk
Source Institutions
In this math activity, learners find patterns in telephone numbers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-323.png?itok=rvdY3PTE)
Afterimage
Source Institutions
In this optics activity, learners investigate afterimages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-492.jpg?itok=KkkJB7t7)
Newspaper Bridges
Source Institutions
In this activity, learners build bridges out of newspaper and tape to explore how structures are designed to bear loads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-487.jpg?itok=HvZxwM8v)
100 Puzzles
Source Institutions
In this activity, learners find as many combinations of a hundred as they can using various puzzle pieces from a hundred square grid paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-148.png?itok=4EgPW3pi)
Family Traits and Traditions
Source Institutions
In this activity, learners play a matching game with their families to discover common inherited traits and traditions. Learners distinguish between inherited traits and learned traditions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-530.png?itok=ILwk_MY9)
String Shapes
Source Institutions
In this activity, learners work together to make polygons (many-sided shapes) with string. Learners sit on the floor and hold onto a piece of string slid between their thumbs and index fingers.