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Lean, Mean Information Machine: Using a Simple Model to Learn about Chromosomal DNA
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Learners observe a model of a cell and its chromosomal DNA made from a plastic egg and dental floss. Use this model to illustrate how much DNA is held in one cell.
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Geometry and Spatial Relations: Mirror, Mirror
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In this math lesson, learners use hinged mirrors to discover that regular polygons are composed of triangles tessellating around a center point.
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Deer Me: A Predator/Prey Simulation
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In this activity, learners will simulate the interactions between a predator population of gray wolves and a prey population of deer in a forest.
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A Model Parasite
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In this detailed activity (on pages 9-18), learners investigate the body parts of a parasitic ascaris worm by making and dissecting clay models.
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Take a Hike!: A Family Forest Walk
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In this family or group inquiry activity, learners use their senses to explore a local forest or woodland.
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How Quick Are Your Responses?
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In this activity (on page 134 of the PDF), learners explore reaction time.
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Why Doesn’t the Ocean Freeze?
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In this activity, learners explore how salt water freezes in comparison to fresh water.
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It's a Gas, Man
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In this activity, learners discover if carbon dioxide has an effect on temperature.
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Proportionality: The X-Plane Generation
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In this activity, learners build a 1:140 "scale model" of NASA's X-33 Reusable Launch Vehicle (RLV) Technology Demonstrator, and investigate how the model dimensions compare to the real vehicle.
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NEWspaper: Make Your Own Paper
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Learners make their own paper using old newspaper. Learners can make their paper colorful by adding construction paper.
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Pedal Power
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.
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Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.
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Gravity Fountains
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation into the forces of gravity and air pressure.
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My Angle on Cooling: Effects of Distance and Inclination
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In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced.
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Dogs and More Dogs
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In this activity, learners play an evolution card game to see how selective pressures can affect an organism's evolution.
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Classy Parasites
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In this activity (on pages 2-8), learners experience how scientists use classification in their study of animals.
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Mini Zoetrope
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In this activity (posted on March 27, 2011), learners follow the steps to construct a mini zoetrope, a device that produces an illusion of action from a rapid succession of static pictures.
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Life in a Nutshell
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In this multi-faceted game (on pages 25-35), learners recreate what happens to creatures in the Brazilian rain forest as they grow from egg to adult—especially those that use fallen, empty Brazil nut
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Paper Folding: Unfurling Geometric Paper Shapes
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Use geometry, a ruler, and a steady hand to create these amazing unfurling paper folds!
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Supporting Structures
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In this activity about living things and gravity (page 5 of PDF), learners design and build an exoskeleton or an endoskeleton for an animal of their own invention.