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Helicopter Twirl
Source Institutions
Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.
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Hot Equator, Cold Poles
Source Institutions
In this activity, learners use multiple thermometers, placed at different angles, and a lamp to investigate why some places on Earth's surface are much hotter than others.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-034.png?itok=AoEjwtbj)
Paths and Ponds
Source Institutions
In this activity, learners use squares to figure out how many border tiles are needed to enclose different areas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-035.png?itok=v3TsjOPX)
Beaded Braids: Investigating Patterns & Ratios
Source Institutions
In this activity learners create patterns of hair beads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-540.png?itok=bSAm2oU4)
Boomerang
Source Institutions
Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-222.png?itok=xOa5mc9h)
Flocking for Food
Source Institutions
In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-760.jpg?itok=Oh95_YOm)
Make a Prism
Source Institutions
In this activity, learners will make their own prism and use a glass of water to separate sunlight into different colors.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-054.png?itok=vqdAG0iO)
Cats and Canaries
Source Institutions
In this math puzzle game, learners work together to use algebraic reasoning and fun clues for solving word puzzles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-047.png?itok=YKOGj5n9)
Cool Trees
Source Institutions
This warm weather activity introduces learners to the impact trees have on blocking the sun's heat and reducing temperature on the Earth's surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-769.jpg?itok=zm1bNgp6)
Stiff Bones, Bendy Bones
Source Institutions
Bones are stiff, which helps us lift heavy things and walk around, but they are also somewhat flexible, which lets them bend slightly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-562.png?itok=j9vGB7w2)
Web It!
Source Institutions
In this outdoor activity, learners investigate spider webs and feeding behavior, particularly how spiders trap food in their sticky silk webs while not getting stuck themselves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-788.png?itok=O-ZK1qRR)
Scent Tracking
Source Institutions
In this wintertime outdoor activity, learners role play wolves tracking their prey by following scented trails.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-783.jpg?itok=CrxoOyj1)
Water Underground
Source Institutions
Many people get water from a source deep underground, called groundwater.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-756.jpg?itok=L-q0j4tI)
Make a UV Detector
Source Institutions
In this activity, learners use tonic water to detect ultraviolet (UV) light from the Sun and explore the concept of fluorescence.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-852.png?itok=9gngTATg)
Feet Fit
Source Institutions
In this self-measuring activity, learners measure and record the length of their foot.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-594.png?itok=BcCpVt54)
Soapy Boat
Source Institutions
Learners discover that soap can be used to power a boat. Learners make a simple, flat boat model, put it in water, and then add a drop of detergent at the back of the boat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-773.jpg?itok=u4vB4UGZ)
Build a Lung
Source Institutions
Most of the time, we don't have to think about breathing. In fact, you're probably breathing right now without thinking about it!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-767.jpg?itok=w1mNJsG3)
Snotty Nose
Source Institutions
Our bodies produce snot, or mucus, that we blow from our noses. In this activity, learners will create a model of how snot works and will explore how it keeps our bodies healthy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-759.jpg?itok=YBQRusay)
Cook with a Solar Oven
Source Institutions
In this activity, learners make their own solar oven to bake s'mores and learn about how solar energy is absorbed on Earth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-787.png?itok=luXRvpUX)
Beachcombing
Source Institutions
In this outdoor activity, learners become beachcombers as they walk on a sandy beach in search of evidence of life.