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Giant Museum: Create a Scale Model
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In this activity, learners will predict the size of a giant scale model of a comb or other rectangular object, then make one. If you tripled the size of a dollar bill, could you sit on it?
Spinning Blackboard
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Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen.
Discovering Rainforest Locations
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In this activity, learners will examine various world data maps to combine the information and predict which areas could be tropical rainforests.
Pocket Protractor
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In this activity, learners create angle-measuring devices--protractors--out of paper. Learners follow a series of steps to fold a square sheet of paper into a triangular Pocket Protractor.
Paper Bag Skits: Using Size and Measurement
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Put the math of measurement, numbers, and everyday life into improvisational skits.
Your Blind Spot
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In this activity, learners will explore how their own eyes work by experimenting with their photoreceptors.
Paperfolding Polyhedrons
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In this activity (on pages 55-66 of PDF), learners fold paper into origami shapes and then combine several identical shapes into a three-dimensional structure.
Make a Balance / Scale
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In this activity, learners create a kind of balance device using a wire coat hanger, some string, and paper cups.
Shrinking Cups
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.
Squeeze Me!
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In this math activity, learners guess a secret number between 1 and 100 in a three-player game.
Magic Turtle Squares
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In this math activity, learners create a magic turtle where all the rows, columns and diagonals add up to fifteen.
Equal Sharing Game
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In this activity, learners are introduced to division and fractions as they share snacks with a group of friends.
Movin' and Groovin'
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In this math activity, learners play a game and identify patterns with fun moves and sounds. Discover how dancing and signing involve patterns.
Drinking Straw Pulse Measurer
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In this health activity, learners create a device so that they not only feel their heartbeat, but also see it, using a straw and some clay.
In the Middle
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In this math activity, learners use problem solving skills to find a middle seat for Mary at the movies. Learners practice dividing numbers and identifying the middle of a quantity.
Double or More
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Choose a recipe to double (or triple, quadruple, or halve). Show everyone the recipe and engage them in figuring out: How much will we need to increase the recipe to feed everyone?
Patches the Cat: A Print-and-Build Paper Sculpture Kit
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In this activity, learners get hands-on with geometry by making a polyhedron kitty sculpture.
Doppler Effect
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Sound changes pitch relative to how you or the source of the sound is moving. Use this simple activity developed by the Exploratorium to experience the Doppler Effect yourself!
Ladybug Spots
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In this art/science/math activity, young learners are introduced to the concept of symmetry in nature.
The Jelly Bean Problem (JBP)
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In this activity, learners are challenged to eat some candy as a cell would need to as well as to think about some of the problems that arise when a cell ingests food.