Search Results
Showing results 501 to 520 of 639
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-971.jpg?itok=vwLduj6P)
Where on Earth?
Source Institutions
Learners look at labels on items in the room to determine where each item was manufactured, then write about the item on an index card.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-049.jpg?itok=RfKpRTvO)
Popsicle Bridge
Source Institutions
In this activity, learners explore how engineering has impacted the development of bridges over time, including innovative designs and the challenge of creating bridges that become landmarks for a cit
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-554.jpg?itok=jhkAeuiu)
Make a Green Gumball Black
Source Institutions
In this optics activity, learners use a shoebox, colored cellophane and sunlight to "change" the colors of gumballs. Learners will be surprised when the green and blue gumballs appear black!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-409.jpg?itok=U_e5Hyki)
Secret Messages
Source Institutions
In this activity, learners use Teflon (PTFE) tape to write secret messages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-154.jpg?itok=oIMfm3f3)
Balloon Car
Source Institutions
In this activity, learners explore force and motion by constructing cardboard cars that are propelled by balloons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-878.jpg?itok=rCW8-jE0)
Polar Opposites
Source Institutions
In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-688.jpg?itok=cgEsPCBc)
Slide Whistle
Source Institutions
In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.
Tree Poker
Source Institutions
In this activity (p.14-15 of PDF), learners discover the concepts of competition and limiting factors as they relate to plant and animal communities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-844.png?itok=U6WtftQU)
Building Tall
Source Institutions
In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-510.png?itok=2QJ6-LL_)
Exploring Fabrication: Self-Assembly
Source Institutions
In this activity, learners participate in several full-body interactive games to model the process of self-assembly in nature and nanotechnology.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-020.png?itok=OCpzK8i7)
Milli's Insulation Investigation
Source Institutions
In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-809.jpg?itok=1pqX8P1F)
3 Classes of Levers
Source Institutions
In this physics activity (page 3 of the PDF), learners will move a load using a lever of each of the 3 classes. They will explore the differences between these classes and which are more effective.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-501.png?itok=RSYqG13v)
Double Replacement Micro-Reactions
Source Institutions
In this chemistry activity, learners use common chemicals to examine reactions that occur between two aqueous solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-712.jpg?itok=6w3-ctnv)
Algebra: Aw Chute!
Source Institutions
In this math lesson, learners determine and compare the rate of descent of various learner-constructed parachutes. Learners construct parachutes that will have maximum hang times.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-821.jpg?itok=YJsyiVY2)
Soda Pop Cave
Source Institutions
In this geology activity (page 6 of the PDF), learners explore how carbonic acid can slowly dissolve limestone and form caves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-222.jpg?itok=a3kErsHV)
Rolling Returns
Source Institutions
In this activity, learners build a special rolling can that returns back to you when you push it forward. Use this activity to demonstrate the transfer of energy between kinetic and potential energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-019.jpg?itok=pT-VpR4T)
Clean Me Up, Snotty
Source Institutions
Learners will explore the chemistry of mucous and its importance to our health by following a process to make their own replica "snot." The activity includes a time and age recommendation, a materials
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-027.jpg?itok=wQAv64V8)
Cup Towers
Source Institutions
In this activity, learners explore different ways to stack cups to meet a personal goal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-220.jpg?itok=KiOsfwBS)
Weather Vane
Source Institutions
In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-503.jpg?itok=iuSzZE0Y)
Production of Carbon Dioxide
Source Institutions
In this chemistry activity, learners use common chemicals to produce carbon dioxide and observe its properties. This resource includes brief questions for learners to answer after the experiment.