Search Results
Showing results 941 to 953 of 953
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-272.jpg?itok=JxYG0shp)
Exploring Black Holes and Gravity
Source Institutions
This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.
![](/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-000-000-000-920.jpg?itok=gcmDW_Ox)
Hot Spoons
Source Institutions
In this physics activity (page 2 of the PDF), learners will explore the concept of thermal conductivity and learn the differences between high and low thermal conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-299.jpg?itok=lzQsLaWj)
Flubber: Make a polymer!
Source Institutions
This activity (on page 2 of the PDF) features a recipe to create the stretchy polymer Flubber from Borax detergent, white glue, and water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-908.jpg?itok=fHFCeWeH)
Snake
Source Institutions
In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy.
![](/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.
Coat Hanger Chimes
Source Institutions
In this physics activity (page 4 of the PDF), learners will--using nothing more than a coat hanger and some string--explore and understand sound energy and how it moves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-493.jpg?itok=UDGUbujD)
Skewers and Garden Poles
Source Institutions
In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-298.jpg?itok=9ec61Ekt)
Plaster Casts
Source Institutions
In this activity, learners combine two substances (plaster of Paris and water) to make a cast of an object's imprint in clay.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-242.jpg?itok=c6prVQMD)
Minibot
Source Institutions
In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-307.gif?itok=GHPqVa4z)
Paper Whites
Source Institutions
Learners observe different paper samples under ordinary room light and under a black light to learn some of the chemical differences between different types of paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-256.jpg?itok=2GZwMD2Z)
Thumb Piano
Source Institutions
In this activity, learners explore sound by constructing a simple piano out of wood and craft sticks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-045.jpg?itok=Uh9c-B51)
Molecule Match
Source Institutions
In this activity, learners will use their nose to sniff out hidden scents using extracts and cotton balls. Activity includes materials list, game instructions, STEM connections and more.