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Showing results 81 to 100 of 253
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Paddle Power
Source Institutions
In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-189.jpg?itok=JkqUtXVQ)
Doughy Physics
Source Institutions
Learners drop two different masses of play dough and observe how long it takes them to hit the ground.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-837.png?itok=km2e6ur_)
Baseball
Source Institutions
In this math activity (Page 17 of the Play Ball! PDF), learners play a game of "baseball" and analyze the results of the game.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-359.jpg?itok=WAeJvGT9)
Tactile Mazes
Source Institutions
In this activity (15th activity on the page) about the sense of touch, learners use glue and cardboard to construct a maze they use with their eyes closed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-604.jpg?itok=9U5w_qhd)
Night Lights
Source Institutions
In this activity, learners create night lights using a plastic cup, programmable PICO Cricket, tri-color LED, and sensor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-605.jpg?itok=VI4HBUQK)
Push Pull Painter
Source Institutions
In this activity, learners create painting machines that can paint moving forwards and backwards.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-163.jpg?itok=WFA6zAk_)
How to Extract DNA From Anything Living
Source Institutions
In this genetics activity, learners discover how to extract DNA from green split peas.
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Colour by Numbers: Image Representation
Source Institutions
This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen.
![](/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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DIY Bath Bombs
Source Institutions
In this activity, learners will explore acid-base reactions and create their own bubbly results.
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Giant Lens
Source Institutions
In this activity about light and refraction, learners discover how a lens creates an image that hangs in midair.
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Edible Earth
Source Institutions
In this activity, learners make a model of the solid Earth's layers that's good enough to eat! Learners use tasty foodstuffs to simulate Earth's inner core, outer core, mantle, and crust.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-296.png?itok=EI1LLpLn)
Egg Bungee Jump
Source Institutions
In this activity, learners design a bungee jump for an egg using nylon stockings.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-759.jpg?itok=6Nbm7sc8)
Plankton Feeding
Source Institutions
This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.
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Lego Man Jump
Source Institutions
In this activity, learners are challenged to create a parachute using easily sourced materials in order to transport a LEGO figure safely to the ground.
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Make a DNA Model
Source Institutions
In this activity, learners make a 3-D model of DNA using paper and toothpicks. While constructing this model, learners will explore the composition and structure of DNA.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-854.jpg?itok=w2PExNYo)
Conduction Countdown
Source Institutions
In this quick SciGirls activity (page 1 of the PDF under SciGirls Activity: Doghouse Design), learners will be introduced to the concept of thermal conductivity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-366.jpg?itok=D7tM5xpJ)
Egg Bungee
Source Institutions
Learners attach an egg to a rubber-band bungee cord and drop the egg.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-908.jpg?itok=xZRYMqHq)
Kinetic Sculpture
Source Institutions
In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-920.gif?itok=TrufROSt)
Zip Line
Source Institutions
In this design challenge activity, learners build a device to carry a Ping-Pong ball from the top of a zip line to the bottom in four seconds (or less!).