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Something is Different about You
Source Institutions
In this activity, learners use various dress-up or costume pieces to play a game of change.
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Heavy or Light
Source Institutions
In this activity, learners explore a scale by comparing objects, which look similar but have different weights. Learners predict and then measure the weights of various objects using a scale.
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Exploring Properties: Surface Area
Source Institutions
This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-419.jpg?itok=vJDCiR4j)
Stretching Wires
Source Institutions
In this activity, learners determine the elastic and plastic properties of different types of metal wires.
Double or More
Source Institutions
Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-839.jpg?itok=Zb5TrODC)
Water Walk
Source Institutions
Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-115.png?itok=ZquIu5T4)
Heart to Heart
Source Institutions
In this activity, learners compare ways to measure their heart rates. Learners build their own stethoscopes and learn how exercise affects heart rate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-736.gif?itok=C5u6moz6)
Atmosphere Composition Model
Source Institutions
In this activity, learners create a model using metric measuring tapes and atmosphere composition data.
Harmful Algal Blooms: In Full Bloom
Source Institutions
In this activity, learners will investigate the impacts of harmful phytoplankton using NOAA's Coastal Services Center Harmful Algal Bloom Forecasting (HABF) Project data.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-797.gif?itok=9uSd_B4Q)
Paper Tape Motion Timer
Source Institutions
In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).
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Liquid Crystals Interact with Light!
Source Institutions
In this two-part activity, learners explore the properties of liquid crystals, which are responsible for why mood rings change color.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-126.jpg?itok=beaiXXb8)
Atmospheric Collisions
Source Institutions
In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-862.jpg?itok=kbDNMXLR)
Wind Power: Creating a Wind Generator
Source Institutions
This lesson challenges groups of learners to design and construct a wind generator with the most electrical output.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-218.jpg?itok=N0knaCqM)
3...2...1 Puff!
Source Institutions
In this activity, learners build small indoor paper rockets, determine their flight stability, and launch them by blowing air through a drinking straw.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-230.png?itok=KTkqHzuO)
Terrestrial Hi-Lo Hunt
Source Institutions
In this outdoor activity, learners search for the warmest and coolest, windiest and calmest, wettest and driest, and brightest and darkest spots in an area.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-224.png?itok=uqBP86mX)
Sensory Hi-Lo Hunt
Source Institutions
In this outdoor activity, learners use only their senses to to find the extremes of several environmental variables or physical factors: wind, temperature, light, slope and moisture.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-542.png?itok=0djAEvu4)
Cookie Surface Area
Source Institutions
This is an activity (on page 2 of the PDF under Surface Area Activity) about surface area to volume ratio.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-318.gif?itok=nHBM6Auh)
Trees: Recorders of Climate Change
Source Institutions
In this activity, learners are introduced to tree rings by examining a cross section of a tree, also known as a “tree cookie.” They discover how tree age can be determined by studying the rings and ho
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-595.jpg?itok=eqbdXp5Z)
Weather Forecasting
Source Institutions
This activity (on page 2 of the PDF under SciGirls Activity: Forecasting) is a full inquiry investigation into meteorology and forecasting.