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Exploring Products: Nano Sand
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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.
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Egg Drop
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In this activity, learners will design a protective package for an egg that will allow the egg to withstand a fall without cracking.
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Build Your Own Robot Arm
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In this lesson, learners develop a robot arm using common materials. Learners explore design, construction, and teamwork, as well as materials selection and use.
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Inkjet Printer
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In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.
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Exploring Materials: Thin Films
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.
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Jump Into Design: Understanding the Design Process
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In this series of activities (page 5), students are introduced to the design process.
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Solar Powered Cooking
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In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!
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Sail Away
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In this activity, learners explore watercraft engineering and sailing.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-405.gif?itok=5V7gNcC_)
Fork in the Road
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In this activity about electricity, learners identify parallel and series circuits. First, learners examine and label diagrams of complete circuits.
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Build Your Own Solar Oven
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Learners follow directions to construct a solar oven that really cooks! The solar oven uses aluminum foil to reflect sunlight into a cooking chamber, which is painted black.
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Cactus Needle Phonograph
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Build a phonograph record player using a cactus needle, a record, LEGOs gear box, and a piece of paper! This activity uses a Pico Cricket to turn the motor.
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Garden Poles
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In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.
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Feel the Heat
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In this design challenge activity, learners design and build a solar hot water heater. Their goal is to create a heater that yields the highest temperature change.
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The China Hammer Mystery
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In this activity, learners are asked to examine the differences between two materials in a pair.
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Filtration Investigation
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In this activity, learners explore how engineering has developed various means to remove impurities from water.
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Potion Commotion
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In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.
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Build A Battery
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The Let's Do Chemistry "Build a Battery" activity lets participants learn how batteries work and how materials behave, change, and interact by building their own simple battery out of metal and felt w
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Invisible Sunblock
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This is a hands-on activity exploring how nanoscale particles are used in mineral sunblocks to increase their transparency.
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Magic Sand: Nanosurfaces
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This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).
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Cookie Surface Area
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This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.