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Making Rivers
Source Institutions
In this outdoor water activity, learners explore how to change the direction of water flow. Learners make puddles in dirt or use existing puddles and sticks to make water flow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-934.jpg?itok=c43WY1Zv)
Shape Detectives
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In this activity, learners cutout a set of shape finder templates to explore shapes in the world around them.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-061.jpg?itok=cOsfo695)
Engineering Ups and Downs
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In this activity, learners explore the engineering and principles behind working elevators.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-959.jpg?itok=C4p2seGl)
Sum of Your Parts
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A group of 6 learners works together as a team with each learner performing a different role. Together, they need to maneuver a die through a maze.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-915.jpg?itok=zw7gB5l0)
Speedy Shelter
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In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-781.jpg?itok=rpHfOfhs)
Yeast DNA Extraction
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This laboratory exercise is designed to show learners how DNA can easily be extracted from yeast using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-500.jpg?itok=MwYl4fAY)
Let's Make Music
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In this activity, learners will create their own percussion instrument with recycled materials. Learners will explore design, fabrication, cause and effect and sound through this activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-528.jpg?itok=-GnhaFNp)
Ramp Painting
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In this activity, learners will dip different items in paint and then roll those items down a ramp. Learners will use science process skills such as observations and experimenting.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-965.png?itok=RaRbUO-g)
Hot Stuff!
Source Institutions
In this activity, learners discover that sand is the major ingredient in glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-118.png?itok=lI6wdxwj)
A Model Nuclear Power Plant Steam Turbine
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In this activity (on pages 20-23 of PDF), learners build a model of a power plant using simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-993.jpg?itok=q8igqcdr)
Tourist Town: Dominating Sets
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In this activity, learners use a fictitious map of "Tourist Town" and counters to problem solve how to place ice-cream vans on street intersections so that every other intersection is connected to one
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-703.jpg?itok=a-s5mTFc)
Topological Puzzles
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In this activity, learners construct three math puzzles out of simple materials like wood, string, and Styrofoam.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-949.jpg?itok=QBTKM4q2)
Roller Coasters
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In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-785.jpg?itok=URArJ34k)
Make a Lake
Source Institutions
Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-975.jpg?itok=dT3ypJTh)
Kidbots
Source Institutions
In this activity, one person acts as a human robot while another acts as their developer by programming their actions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-165.jpg?itok=ZUEQFDMb)
Design-a-Fish
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In this science and language arts activity, learners study fish anatomy and make their very own 3D paper fish.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-752.jpg?itok=ZY7E7FZM)
Measure the Sun's Size
Source Institutions
In this activity, learners make their own pinhole viewer in order to measure the size of the sun.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-362.gif?itok=Q4Lqdv7b)
Pictures From Light
Source Institutions
Did you know that using a lens one can bend light to make pictures of the world? It's true!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-746.jpg?itok=mG9iQsCP)
Exploring the Solar System: Craters
Source Institutions
"Exploring the Solar System: Craters" is an active, hands-on activity that demonstrates how craters form, and what they can teach us about the history and composition of planets and moons.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-617.jpg?itok=-TIfGxS4)
Sail Car Design
Source Institutions
This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.