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Showing results 781 to 800 of 1089
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Drawing Conclusions
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In this weather forecasting activity, learners determine the location of cold and warm fronts on weather plot maps.
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Environmental Chemistry
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In this activity with several mini experiments, learners explore the chemistry that helps scientists learn about the environment and how they can help save it.
Signs of Change: Studying Tree Rings
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In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible
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Making Mosaics
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In this archaeology meets art activity, learners make a mosaic and consider the ways in which art communicates.
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Games of Chance and Brains
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In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10.
Multiple Reflections
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In this activity, learners explore how mirrors reflect light and change the way we see things.
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The Water Cycle
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Did you know that the water we use today is the same water found on Earth millions of years ago? The Earth constantly uses and recycles water in a process called the water cycle.
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Sliding and Stuttering
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Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.
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Breathing Blue
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In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH.
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Charge and Carry
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In this activity about electricity, learners produce a spark that they can feel, see, and hear. Learners rub a Styrofoam plate with wool to give it an electric charge.
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Moisture Makers
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In this outdoor activity, learners compare the moisture released from different kinds of leaves and from different parts of the same leaf, by observing the color change of cobalt chloride paper.
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Mars from Above: Carving Channels
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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.
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Space Stations: Measure Up!
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In this activity, learners work in pairs to measure each other's ankles with lengths of string.
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Make a Human Scale Ladder
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In this quick activity about size and scale (on page 2 of the PDF under What's Nano?
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Wind Turbine Blade Design
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In this activity, learners design, build and test wind turbines. Learners go through the design process and use the scientific method to test important blade variables.
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Food Grab
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In this outdoor activity, learners design devices that will catch prey or gather plants.
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The Colors of Flowers
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In this activity, learners perform an experiment to find out what determines a flower's color.
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Hopper Herding
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In this outdoor activity and game, learners roundup a "herd" of hopping insects and find out how many different kinds or species are in their herd.
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Fun with Bernoulli
Learners conduct four simple experiments to demonstrate the effects of air pressure.
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Light and Sound
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In this four-part activity, learners explore light and sound through a variety of hands-on investigations.