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Circuit Bending with Play-Doh
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Break open that used musical toy and squish some Play-Doh over the circuit boards, and you will hear some weird and distorted sounds the manufacturer never intended!

Overnight Painting Machine: Pico Cricket Activity
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This activity requires a Pico Cricket (tiny computer).

Rotational Equilibrium
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In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.
Leaves: Extracting Pigments
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In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

Building an Army
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In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.

Boomerang
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Everybody loves boomerangs! In this activity about force and motion, the learners will experiment with boomerangs and explore how they work. This is a great activity to get learners up and moving.

Getting There!: Navigation and Trajectory
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

Nature Walk
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In this activity, learners take an indoor nature walk and discover various objects that have been brought in from the outdoor environment.

Magnetic Sensory Bottles
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In this activity learners will investigate magnetic and non-magnetic items in a sensory bottle.

Make a Shaker
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This hands-on activity shows you how to make a shaker -- a small instrument with a big sound! Fill it with beads or even pennies for a cool sound.

Fish forms
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In this activity, learners create a three-dimensional sculpture while examining the characteristics of fish.

T-Shirt Transformation
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In this activity, learners will repurpose an old t-shirt to create their own yarn or string.

Sketch a Skeleton
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In this activity (on pages 15-18 of PDF), learners make a life-size two-dimensional paper model of their own skeletons.

Family Traits and Traditions
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In this activity, learners play a matching game with their families to discover common inherited traits and traditions. Learners distinguish between inherited traits and learned traditions.

Soap-Film Painting
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Make a big canvas of iridescent color with pvc pipe! In this Exploratorium Science Snack, you'll need to cut and assemble some PVC pipe, but the pay-off, the soap-bubble canvas, is big.

Make an Animation
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In this activity, learners make a device called a phenakistoscope, which displays a continuously looping animation consisting of images drawn onto a spinning disc.

For the Birds
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In this activity, learners will explore nature by creating food for birds. Learners will develop fine motor skills and engage in nature observation through this activity.

The Carbon Cycle and its Role in Climate Change: Activity 3
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In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

Moon's Long History: Impact Paintings
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In this activity, pairs of learners model how scientists use craters to determine the ages of lunar surfaces. One partner keeps time while the other creates a painting for the other to interpret.

Self-Portrait Silhouettes: Activity 1
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In this activity, learners make a photographic image--without a camera!