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Leaf Rubbings
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When was the last time you took a really close look at a leaf? In this activity, learners will use leaves and simple materials to make colorful leaf rubbings.

Straw Kazoo
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In this activity, learners make some music by constructing a kazoo out of a simple plastic drinking straw. Use this activity to explore sound, vibrations, and music.
Flesh Out a Fossil
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In this activity, learners discover how artists start with a skeleton and turn it into a realistic drawing of a dinosaur.

Make a DNA Model
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In this activity, learners make a 3-D model of DNA using paper and toothpicks. While constructing this model, learners will explore the composition and structure of DNA.

Discovery Time: Trees
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In this activity, young learners (2 years and up) explore tree structure and biology. Tree products are explored by painitng with fruit.

Make your own Antelope Horns!
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In this craft activity, learners will explore the structure and purpose of antelope horns by constructing their own headband using toilet paper rolls and yarn.

The Model Neuron
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In this activity, learners create a model of a neuron by using colored clay or play dough. Learners use diagrams to build the model and then label the parts on a piece of paper.

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.

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.

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.

String Genome
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In this biology activity (page 5 of the PDF), learners use yarn and sticky labels to build a model of a DNA strand. They discover that DNA is very long, very skinny, and packs well into cells.

Vibrant Cords
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In this activity, learners will explore how the voice works and feel the vibrations produced by vocal cords.

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

Going Buggy: Three Body Parts
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In this fun snack and craft activity, young learners make "Ants on a Log" and their own model of an insect. The purpose is to learn the three main insect body parts—head, thorax and abdomen.

Bird Feeders
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In this activity, learners build a bird feeder or feeders to attract birds for observation.

Pixel Tube
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In this STEAM activity, learners create a "pixel tube" to explore reflections of light and color mixing.

Good Vibrations
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In this activity, learners experiment with their voices and noisemakers to understand the connections between vibrations and the sounds created by those vibrations.
Rainforest Plant or Animal?
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In this craft activity, learners will compare and contrast the major functions of plants and animals.

Create Your Own Time Capsule
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In this archaeology-related activity, learners build their own time capsule and choose a storage location and a date to reopen it.

Build a Soundscape
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This is a virtual representation of a sound mixer containing pre-looped sounds of animal, insect, and environmental noises.