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Battleships: Searching Algorithms
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This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.
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Twisted Tesselations
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In this activity (on pages 41-47 of PDF), learners explore tesselating geometric patterns (repeated shapes, similar to the art of M.C. Escher).
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Counting With Quadrants
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Millions of organisms can live in and around a body of water.
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Magical Möbius
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In this tabletop activity (on pages 32-40), learners make Möbius strips -- 3D surfaces with only one side.
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Exploring Size: Tiny Ruler
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In this activity, learners investigate just how small a billionth of a meter is by attempting to cut a paper ruler down to a nanometer-sized sliver.
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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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Tangram Challenge
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In this activity about tangrams, learners print and cut out their own tangram shapes and solve puzzles by fitting these geometric pieces together in a variety of ways.
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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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Moon and Stars
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In this craft activity, learners create a string of cut-out moons and stars.
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Colour by Numbers: Image Representation
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This activity shows learners how computers use numbers to represent pictures. A grid is used to represent the pixels (short for picture elements) of a computer screen.
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Tricky Tangrams
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In this activity (on pages 49-54 of PDF), learners play with tangrams, a set of triangles, squares and a parallelogram that can combine into a larger square as well as all sorts of other shapes.
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You Can Say That Again!: Text Compression
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This activity helps students learn how computers "compress" text by identifying repeating patterns of letters, words, and phrases.
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Card Flip Magic: Error Detection & Correction
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This magic trick is based on how computers detect and correct data errors.
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Paper Chain Testing
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Learners will do an experiment to determine which type of paper is strongest while focusing on variables and collecting data.
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A Universe of Galaxies: How is the Universe Structured?
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This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies.
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Exploring Size: Powers of Ten
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In this activity, learners play a card game that explores the relative sizes of various objects. Learners compete to organize their hand of cards into lists of objects from largest to smallest.
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Exploring Size: Measure Yourself
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In this activity, learners mark their height on a height chart and discover how tall they are in nanometers.
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Slide Rules
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Learners make their own simple slide rules out of paper and learn how they work.
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Telescopes as Time Machines
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This fun, nighttime hands-on astronomy activity lets learners explore how long it takes for light from different objects in the universe to reach Earth.
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Exploring Size: Memory Game
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In this activity, learners play a card game that explores different size scales--macro, micro and nano.