Search Results
Showing results 321 to 340 of 641
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-992.png?itok=2vfN8NDB)
A Question of Balance
Source Institutions
In this activity, learners explore how engineers use scales and measures when designing a manufacturing process to ensure that final products are uniform in weight or count.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-376.jpg?itok=dYG7GyaH)
The Nose Knows
Source Institutions
In this activity (2nd activity on the page), learners explore how the nose is responsible for part of the flavor we taste in food.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-389.jpg?itok=dXKmU9hL)
Make Your Own Perfume
Source Institutions
In this activity about olfaction (7th activity on the page), learners use natural ingredients to concoct their own perfume.
Stack-o-Pennies Shop
Source Institutions
In this math activity, learners pretend there is a special store that lets you pay for toys by their height in pennies.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-327.png?itok=tqZOszCw)
Puff Mobile
Source Institutions
In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-921.gif?itok=4MAqC_S6)
Watercraft
Source Institutions
In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-160.jpg?itok=8ZSpyCs5)
Modeling Tidal Action
Source Institutions
In this activity (Lesson 1), learners work in groups to create tide simulations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-373.jpg?itok=SzeOGboP)
Three Colors of Light
Source Institutions
Have fun with additive mixing! Observe what happens when the three primary colors of light--red, green and blue--are mixed together, resulting in white light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-367.jpg?itok=1B2g1ow3)
Make a Friend from Soil and Seeds
Source Institutions
Learners assemble a figure from a nylon stocking or sock stuffed with soil and seeds. The ends of the nylons inside the jar absorb water, which feeds the grass seeds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-680.jpg?itok=6xlyPmXd)
Magnetic Lines of Force
Source Institutions
With a magnet, iron fillings, and a bottle, you can create a cool demonstration about magnetic lines of force: the fillings will arrange themselves within the magnet's magnetic field.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-401.jpg?itok=apZHufws)
Composites
Source Institutions
In this activity, learners explore how composites work by creating and testing their own composite for an imaginary company.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-322.jpg?itok=dZT5ByyD)
DIY Weather Vane
Source Institutions
In this activity, learners will engineer their own weather vane. This activity includes step-by-step instructions with pictures and a "What's Happening?" section explaining how the activity worked.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-131.png?itok=24Z9TLV_)
3D-ection: Molecular Shape Recognition
Source Institutions
In this activity (page 12), learners explore how molecules self-assemble and how molecules must fit together, like a lock and key, in order to identify each other and initiate a new function as a comb
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-481.jpg?itok=9Xshu0N4)
Counting Craze
Source Institutions
In this activity, learners practice counting objects found on patterned wrapping paper or fabric.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-375.jpg?itok=kJbpLi3g)
Taste Match Game
Source Institutions
In this activity (3rd activity on the page), learners taste test different foods and categorize them as sweet, bitter, sour, or salty. Learners compare their results with the group.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-495.jpg?itok=H-zzGzBD)
Cylinders and Scale
Source Institutions
In this activity, learners investigate the relative growth of lengths, areas, and volumes as cylinders are scaled up.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-330.png?itok=QuXUk_OU)
Film Canister Rocket
Source Institutions
In this activity, learners construct and launch rockets using simple materials and their understanding of chemical reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-922.gif?itok=ufeusnzP)
Touch Down
Source Institutions
In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-697.jpg?itok=HMaapytK)
Radiohead
Source Institutions
When you teeth clatter, they make quite the racket disproportionately to how much they actually sound to someone else.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-484.jpg?itok=9AhUwoeT)
Ramp it Up
Source Institutions
In this activity, learners will build ramps and test how the laws of physics apply do different objects. Learners will explore physics and cause and effect through this activity.