Search Results
Showing results 1 to 20 of 99
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-632.gif?itok=iynjqdcH)
Tiny Tubes
Source Institutions
In this activity, learners make "totally tubular" forms of carbon. Learners use chicken wire to build macro models of carbon nanotubes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-803.jpg?itok=gwVAdfLM)
Avalanche
Source Institutions
In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-861.gif?itok=umup6nux)
Modeling Limits to Cell Size
Source Institutions
This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-519.png?itok=Jm5Ed5iy)
Water Clean-up
Source Institutions
This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-646.png?itok=ZEcHTSEg)
Atoms and Matter (3-6)
Source Institutions
In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-454.gif?itok=SXVdmiBz)
Landing the Rover
Source Institutions
In this team design challenge (page 19-24 of PDF), learners "land" a model Lunar Rover in a model Landing Pod (both previously built in activities #3 and #4 in PDF).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-414.jpg?itok=7jNUQFko)
The Pull of the Planets
Source Institutions
In this activity, learners model the gravitational fields of planets on a flexible surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-416.png?itok=eYN_p0GZ)
Dunking the Planets
Source Institutions
In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-046.png?itok=qEY_NDVX)
Polymers are Chains (K-2)
Source Institutions
In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-423.jpg?itok=OE0RcLOs)
Introduction to the New Chain Gang
Source Institutions
In this activity, learners use pop-beads to understand the characteristics and properties of polymer chains.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-655.gif?itok=G66cz8tw)
Living Bones, Strong Bones
Source Institutions
In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-693.jpg?itok=ks0mp79z)
Scaling an Atom
Source Institutions
In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-133.png?itok=YS8DHzAr)
Spaghetti Bridge
Source Institutions
Play with your food while learning about engineering! Build a spaghetti bridge, then test its strength by piling on the marshmallows, raw spaghetti, raw linguine and coins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-426.jpg?itok=FVWc5j7h)
Exploring the Nanoworld with LEGO Bricks: Probing the Structure of Materials at the Nanoscale
Source Institutions
In this activity (pages 17-31), learners are introduced to techniques that are used to determine the structures of solid materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-103.png?itok=Gl0jYJuC)
Deep Sea Diver
Source Institutions
In this ocean engineering activity, learners explore buoyancy and water displacement. Then, learners design models of deep sea divers that are neutrally buoyant.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-620.jpg?itok=ww_srf1V)
Exploring Structures
Source Institutions
This event guide features three related explorations in which learners investigate the following science concepts: how you design and build a structure helps determine how strong it will be; different
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-427.png?itok=neRlJ8un)
Exploring the Nanoworld with LEGO Bricks: Structures at the Nanoscale
Source Institutions
In this activity (pages 7-16), learners model various crystal structures with LEGOs. This activity also contains additional links that explain how to create other crystal structures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-334.png?itok=DYd2wkJ1)
Heat Speeds Up Reactions
Source Institutions
In this activity, learners investigate the effect of heat on a reaction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-456.gif?itok=8DXjbfi8)
Design a Lunar Rover!
Source Institutions
In this team design challenge (page 2-10 of PDF), learners design and build a model of a Lunar Transport Rover that will carry equipment and people on the surface of the Moon.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-231.png?itok=VVna7t5x)
My Solar System
Source Institutions
In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.