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Edible Model of the Sun
Source Institutions
In this activity, learners make "solar cookies," edible models of the Sun's outer layers using sugar cookies and toppings.
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From Polliwog to Frog
Source Institutions
In this activity, learners discover how frogs' bodies change while growing from a tadpole to a frog. Learners create a simple craft that gives a visual display of the metamorphosis process.
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Pyramids and Triangles
Source Institutions
Straws and pipe cleaners are terrific materials for building models of pyramids and cubes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-512.png?itok=JyHczqED)
Engineer an Octopus Suction Pad
Source Institutions
In this engineering design challenge, learners build an octopus-inspired suction pad that can grab an object and hold it tightly in the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-510.png?itok=ZqZBZKrE)
Engineer an Aeolipile
Source Institutions
In this engineering design challenge, learners build an air-powered spinning machine.
Soaring Towers: Building with Recycled Materials
Source Institutions
In this activity, learners will build the highest tower they can out of recycled materials.
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Morning Star and Evening Star
Source Institutions
This demonstration activity models how Venus appears from Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-195.jpg?itok=OiGXYV0Q)
Thirsty Candle
Source Institutions
In this activity, learners will explore the dynamics of air pressure by using a candle, a cup, and a dish of water.
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My Insect
Source Institutions
In this activity, learners use information gathered from a variety of sources to design and make their own insect.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-491.jpg?itok=-ZrTquf8)
Paper Bridges
Source Institutions
In this activity, learners build bridges using paper and explore how much weight each bridge design can support.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-490.jpg?itok=LCNHN7dm)
Straws and Pins
Source Institutions
In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-275.png?itok=K2j1NYKO)
Straws and Airplanes
Source Institutions
Create airplanes from straws and geometric shapes. Test them out to see how far they can fly, or how accurately they can be aimed.
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Clay Bridges
Source Institutions
In this activity, learners make bridges using an oil-based modeling clay (plasticene). The instructions include discussion questions for both before and after bridge building.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-496.gif?itok=xx__qnd_)
Clay Beams and Columns
Source Institutions
In this activity, learners make or use pre-made clay beams to scale and proportion. Specifically, they discover that when you scale up proportionally (i.e.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-577.png?itok=ptETfKBd)
Modeling the Night Sky
Source Institutions
In this two-part activity, learners explore the Earth and Sun's positions in relation to the constellations of the ecliptic with a small model.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-675.jpg?itok=gt3CzHb-)
Draggin' Boats
Source Institutions
Learners design, build, and test models of "dragon boats" made from up to three milk cartons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-532.jpg?itok=PG9wocqX)
Block Neighborhood
Source Institutions
In this activity learners will build a neighborhood out of blocks and cardboard.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-320.jpg?itok=oEUAPAR3)
Coral Polyp
Source Institutions
In this activity, learners will create their own coral polyps - the basis for a coral reef.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-491.jpg?itok=HW6H3Wfo)
Puppet Play
Source Institutions
In this activity, learners will make a marionette puppet and put on a show. Learners will explore color, design, fabrication and storytelling through this activity.
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Roller Coasters
Source Institutions
In this activity learners will build roller coasters and test them using small balls or marbles.