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Making Rivers
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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-000-000-001-915.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-000-000-002-965.png?itok=RaRbUO-g)
Hot Stuff!
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In this activity, learners discover that sand is the major ingredient in glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-617.jpg?itok=-TIfGxS4)
Sail Car Design
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This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-930.png?itok=5ZZVwjp4)
Compare Dinosaur Body Parts
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In this activity, learners explore the size and scale of dinosaurs. Learners listen to "The Littlest Dinosaurs" by Bernard Most to learn about the different sizes of dinosaurs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-544.png?itok=8YsqRB0G)
Good Stress
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In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-546.png?itok=BHKHNaEX)
What is Blood Pressure?
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In this activity about heart health (on page 34 of the PDF), learners measure their own blood pressure using an electronic blood pressure monitor with a self-inflating cuff (included in cost of materi
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-738.png?itok=ualAi3ef)
Statistics: Creature Features
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In this math activity, learners collect, organize, and analyze a set of data related to types of animals in the temperate forest.
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Special Effects: Titanic and Beyond
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In this activity, learners investigate how geometry plays a role in perspective.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-312.jpg?itok=N5uaHARg)
Automotive Emissions and the Greenhouse Effect
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In this activity about global climate change, learners will conduct an experiment and collect data to compare the amount of carbon dioxide (CO2) in four different sources of gases.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-619.png?itok=5NDHpSfn)
Dispersing Dispersion
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In this activity, learners investigate the movement caused by dispersion. Learners discover that dispersion is the random movement of objects.
Building Houses: Build a Cardboard Tube House
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Build a house you can fit inside, using cardboard tubes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-933.png?itok=zmbYYrE7)
How Active Are You?
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In this activity, learners explore what is and is not active play and how it contributes to a healthy body and mind. Making active play a routine part of every day is a key concept of the experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-370.jpg?itok=zC5wbvP7)
Give or Take?
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In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-931.png?itok=oJ6xgHR5)
Water: A Basic Ingredient
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In this activity, learners explore healthy choices related to the liquids they drink. The importance of water and milk as essential nutrients for a healthy body is the focus of the experience.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-277.jpg?itok=rWGXqe56)
Developing Tests to Distinguish Between Similar-Looking Unknowns
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Learners identify an unknown liquid by comparing its behavior to known liquids. Learners drop liquids onto different surfaces and see how the liquids behave.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-529.png?itok=1lTam4Ar)
Exploring Tessellations (Grades K-2)
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In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-821.gif?itok=I_u9qxVN)
Size Wheel
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-659.jpg?itok=oyaLhCcc)
Sand, Plants and Pants
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In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-036.png?itok=ItoyWSZE)
Exploring Materials: Graphene
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In this activity on page 4 of the PDF, explore the unique molecular structure and conductive nature of graphene. Learners construct a circuit with a battery and LED bulb.