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Life Size: Line 'em up!
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In this activity on page 1 of the PDF, learners compare the relative sizes of biological objects (like DNA and bacteria) that can't be seen by the naked eye.
Repulsive Grape: Diamagnetism
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Do grapes, yes the grapes from the grocery store, move in the presence of a very strong magnet?
Paper Tape Motion Timer
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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.).
Resonant Rings
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Things that are different sizes and stiffness vibrate differently, and in this Exploratorium Science Snack, you'll see how rings of various diameters react to vibration and external forces.
Suminagashi: Floating Ink Paper Marbling
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In this activity, learners try to float ink on the surface of water to create a pattern and then capture it with absorbent paper.
On the Fringe (formerly Bridge Light)
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In this activity, learners trap a thin layer of air between two pieces of Plexiglas to produce rainbow-colored interference patterns.
Exploring Tessellations (Grades K-2)
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In this activity, learners repeat patterns in two and three dimensions to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle.
Peripheral Vision
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How far can you see out of the corner of your eye? Grab a partner and find out from the Exploratorium Science Snack.
Skewers and Garden Poles
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In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.
String Shapes
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In this activity, learners work together to make polygons (many-sided shapes) with string. Learners sit on the floor and hold onto a piece of string slid between their thumbs and index fingers.