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Build a Super Structure
Source Institutions
In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-014.png?itok=3YcUDIeu)
Urine the Know
Source Institutions
In this activity on page 5 of the PDF, learners compare water with artificial urine to see how urinalysis works. Learners use urinalysis test strips to test for glucose and protein in the fake urine.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-356.png?itok=wcogxKNE)
Invisible Sunblock
Source Institutions
This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-941.jpg?itok=rcCWCDQu)
Solve The Fall
Source Institutions
In this twist on a classic design challenge, learners will try to stop a bouncy ball from bouncing as they explore how to control the fall of an object.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-518.jpg?itok=k-dsL4sH)
Exploring Size: Powers of Ten
Source Institutions
In this activity, learners play a card game that explores the relative sizes of various objects. Learners compete to organize their hand of cards into lists of objects from largest to smallest.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-524.jpg?itok=alKZ1KEn)
Exploring Size: Measure Yourself
Source Institutions
In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-870.jpg?itok=3oGHfmU3)
Yogurt Cup Speakers
Source Institutions
Learners build a simple electromagnet, then use this electromagnet to transform a yogurt container into a working speaker. They can connect their speaker to a radio and listen as it transmits sound.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-858.jpg?itok=ZN7m_fgS)
Not Just A Bag Of Beans
Source Institutions
In this activity, learners count and measure kidney beans to explore natural selection and variation. Learners measure the length of 50-100 beans.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-160.jpg?itok=48z-YJHY)
A Simply Fruity DNA Extraction
Source Institutions
In this activity, learners extract DNA from a strawberry and discover that DNA is in the food they eat.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-828.gif?itok=WElXs4sV)
Paper Airplanes
Source Institutions
In this activity, learners explore the properties of paper by constructing and modifying paper airplanes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-848.jpg?itok=-OaNODXD)
Home Molecular Genetics
Source Institutions
In this activity, learners extract DNA from their own cheek cells, then create a rudimentary DNA profile similar to those seen on crime scene dramas.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-964.jpg?itok=aCn8zTfF)
Rotational Equilibrium
Source Institutions
In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-273.jpg?itok=_koxW9fc)
Motorized Balancing Toy
Source Institutions
In this activity, learners build a toy that flies in circles. This activity introduces learners to center of mass, torque, and rotational motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-747.gif?itok=V4erlJf9)
Give and Take
Source Institutions
In this activity, learners explore liquid crystals, light and temperature. Using a postcard made of temperature-sensitive liquid crystal material, learners monitor temperature changes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-058.jpg?itok=WNVOFe2V)
Fun with Speedboats
Source Institutions
In this activity, learners explore how boats are engineered to achieve speed.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-048.jpg?itok=1yrFdSBh)
Bird Feeder Challenge
Source Institutions
In this activity, learners are challenged to build a bird feeder using recycled materials from home and are encouraged to problem solve during the extensions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-440.gif?itok=N_Ek0prf)
Balloon Rockets
Source Institutions
This is an activity about rockets. Learners will explore how rockets leave Earth's orbit and what it takes to make a launch successful.
Soaring Satellites
Source Institutions
Using a vertical wind tube and using simple materials, individuals and groups attempt to design a "satellite" that floats for at least 5 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-070.jpg?itok=o_Y4Fsij)
Echo Base Bobsleds
Source Institutions
The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-299.png?itok=IFKgxAmT)
Submarine: Lift Bag Lander
Source Institutions
In this activity (on page 4), learners create a submarine using a plastic sandwich bag. This is a fun way to learn about buoyancy and how captured gas can cause objects to float.