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Modeling Limits to Cell Size
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This investigation provides learners with a hands-on activity that simulates the changing relationship of surface areas-to-volume for a growing cell.
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Desert Water Keepers
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In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.
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Understanding Albedo
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In this activity related to climate change, learners examine albedo and the ice albedo feedback effect as it relates to snow, ice, and the likely results of reduced snow and ice cover on global temper
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Exploring the Ocean with Robots
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In this activity, learners are introduced to robotic submarines called gliders. Learners make “gliders” from plastic syringes and compare these to Cartesian bottles and plastic bubbles.
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Pocket Solar System: Make a Scale Model
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This fun and simple hands-on astronomy activity lets learners build a scale model of the universe with little more than adding machine tape.
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Transit Tracks
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In this space science activity, learners explore transits and the conditions when a transit may be seen.
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Shake Table
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This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.
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Newton Car
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In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.
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Evolution in Plane Sight
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In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.
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Visualizing How the Vestibular System Works
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In this activity (page 59 of the PDF), learners spin and observe false eyelashes in jars of water (prepared at least 1 day ahead of time) to investigate the effects of different types of motion on the
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Macro-Microarray
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In this activity, learners explore the "nuts and bolts" of gene chips.
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The Parachuting Egg
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In this activity, learners work in groups to design a parachute out of household items that keeps an egg secure when dropped from a certain height.
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Column Chromatography
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In this activity, learners separate the components of Gatorade using a home-made affinity column.
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To Topo Two
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In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).
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Colors of Stars
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In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.
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Rocket Wind Tunnel
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.
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Pitch, Roll and Yaw: The Three Axes of Rotation
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In this activity (page 87 of the PDF), learners move their bodies to better understand the three axes of rotation: pitch, roll and yaw.
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Building a Magic Carpet
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In this activity (page 89 of the PDF), learners compare and contrast pitch and roll motions by using a Magic Carpet maze similar to one that was used for Neurolab investigations about microgravity.
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How Greenhouse Gases Absorb Heat
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Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.
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Reading DNA
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In this activity, learners use edible models of the DNA molecule to transcribe an mRNA sequence, and then translate it into a protein.