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African Arts
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In this two-day activity (on pages 16-22), learners use a process like that of the Yoruba people of Nigeria to create an African symbol on cloth.

Flower Engineers
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This activity (on pages 24-29) combines science and art to introduce learners to how different animal pollinators spread pollen from one plant to another, and how certain shapes, colors, and smells of

Sound Charades
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In this game, learners create flash cards with an image on one side (of an animal, for example) and the sound that animal makes on the other.

Disappearing Statues
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In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain.

String Thing
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String Thing is an interactive online game in which learners change a virtual string's tension, length, and gauge to create different musical pitches.

Making Recycled Paper
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In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.

Green Travelers
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In this activity (on pages 23-29), partners use the Plant Traveler Cards, along with a world map and map worksheets, to follow plants such as cassava, chocolate and coffee that grew first in one part

Build a Band
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In this design challenge activity, learners build a four-stringed instrument that can play a tune.

Heart and Lungs
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In this environmental health activity, learners investigate their breathing and pulse rates, and learn how these measurements are affected by physical activity.

Calendarios para cualquier año
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Este Web site contiene links a 12 calendarios (12 meses). Cada mes contiene actividades sobre matemáticas.

Homework, Hogwarts Style
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In this activity on page 8 of the PDF (Behind the Scenes with Chemistry), learners make three of Harry Potter's essential school supplies: quills, ink, and color-changing paper.

Paper Chromatography with Leaves
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In this activity on page 5 of the PDF (Plants—The Green Machines), learners use chromatography to separate and identify pigments within various leaves.

Carbon Cycle Roleplay
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In this creative roleplay activity, learners will explore the various processes of the carbon cycle using movement and props to aid in comprehension.

Build a Tree
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This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.

Everyday Poisons
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This reading and writing activity (on pages 2-9) teaches what plant parts should be avoided, how a person can get rid of toxins, symptoms of plant poisoning, and how plants create poisons to repel pre

Pósteres Sobre Animales y Matemáticas
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Exponga estos pósteres en el salón o déjelos donde los chicos los puedan explorar. Los chicos buscan las respuestas en libros de consulta o en línea.

Kelp Critters
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This marine biology activity (on pages 11-17) introduces learners to kelp (seaweed) forests that grow in the ocean and are home to many species of sea animals.

Headphone Helper
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In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.

Rain Forest in Your Room
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This activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to trees) and

Odors Aloft
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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.