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Exploring Materials: Liquid Crystals
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In this activity, learners discover that the way a material behaves on the macroscale is affected by its structure on the nanoscale.
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Two Washers
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In this activity, learners create a mind and math puzzle that requires a three-dimensional solution.
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Salt 'n Lighter
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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.
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Water Body Salinities I
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In this activity, learners investigate the different salinity levels of oceans, rivers and estuaries.
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Sizing Up Hail
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In this activity, learners will estimate the sizes of balls to learn how to estimate the size of hail. Learners will compare their estimates to the estimates of their peers and the real measurements.
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Comparing the Density of an Object to the Density of Water
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Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float.
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Animal & Plant Cell Slides
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In this activity, learners make slides of onion cells and their own cheek cells. Use this lab to teach learners how to prepare microscope slides and use a microscope.
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Matraca
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In this activity, learners create a traditional Mexican noisemaker (a matraca) using cardboard, craft sticks, and a wooden dowel.
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Zig Zag Bopper
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In this activity, learners build a machine made of craft sticks to multiply the levering motion of their hands and create a device that bends and extends.
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Soccer
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In this math activity (Page 12 of the Play Ball! PDF), learners play a game of "soccer" and analyze the results of the game.
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Liquid Body Armor
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In this activity, learners explore how nanotechnology is being used to create new types of protective fabrics.
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Watching Crystals Grow
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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.
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Magnet Mania
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In this activity, learners explore the relationship between electric charges and magnetic fields.
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Surface Tension Icebreaker
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This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension.
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Bean Bugs
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In this outdoor biology and math activity, learners estimate the size of a population of organisms too numerous to count.
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Marble Game
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In this activity, learners construct a simple game to test their hand-eye coordination and steadiness of hand.
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Atoms and Matter (3-6)
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In this activity, learners build models of atoms and molecules, then consider their role in different phases of matter, density, and mixtures and solutions.
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Defining Density
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In this introductory demonstration and activity, learners are introduced to the concept of density as they explore a rock and a wooden block in water.
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Diet Light
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In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.
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Twenty Guesses: Information Theory
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This activity introduces the idea that computer scientists measure information by how "surprising" a message is.